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Patent 5157122: Process for the preparation of 3-unsubstituted indoles using methane sulfonic acid as an additional catalyst
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Bicyclo ring system having the six-membered hetero ring as one of the cyclos : Quinolines (including hydrogenated) : Nitrogen, other than as nitro or nitroso, attached indirectly to the quinoline ring system by nonionic bonding : Nitrogen bonded directly to the -C(=X)- group)
Patent 5157123: S-(2-thiopyridyl)-L-cysteine, a heterobifunctional crosslinking reagent
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Chalcogen bonded directly to ring carbon of the six-membered hetero ring : Chalcogen and acyclic nitrogen bonded directly to the same carbon : The additional hetero ring is five-membered)
Patent 5157124: Heterocyclic acetylenic amines having central nervous system activity
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : 1,3-diazoles (including hydrogenated) : Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding (e.g., 1,3-dioxolan-2-yl methyl-imidazole, etc.) : The additional hetero ring contains nitrogen as the only ring hetero atom [e.g., N-(cyclopentylcarbonyl-L-histidyl)-pyrrolidine, etc.] : Plural 1,3-diazoles)
Patent 5157125: Optically active 2-alkyl-2,5-diazabicyclo[2.2.1]heptanes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.) : Chalcogen attached directly to ring nitrogen of the five-membered hetero ring by nonionic bonding (e.g., pyrrolidine-N-oxides, etc.) : The -C(=X)- is bonded directly to the ring nitrogen of the five-membered hetero ring (e.g., 1-pyrrolidine carboxanilides, etc.))
Patent 5157126: Preparation of a solution of stearamidopropyl dimethyl pyrrolidonyl methyl ammonium chloride in a polyhydric alcohol
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.) : Chalcogen bonded directly to a ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., 2-pyrrolidones, etc.) : And chalcogen bonded directly to the other ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., succinimide, etc.) : Nitrogen attached directly or indirectly to the five-membered hetero ring by acyclic nonionic bonding : Double bond between ring carbons in each of the two nitrogen containing hetero rings (e.g., bis-maleimides, etc.))
Patent 5157127: Preparation of N-substituted pyrrolidones
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.) : Chalcogen bonded directly to a ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., 2-pyrrolidones, etc.) : Processes of forming 2-pyrrolidone which is unsubstituted or alkyl or alkenyl substituted only : Carbon to carbon unsaturation between ring members of the five-membered hetero ring (e.g., maleimide, etc.))
Patent 5157128: Certain optically active substituted .alpha.,.alpha.-dialkyl-pyrrolidine-3-methamines useful as intermediates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Nitrogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding : The nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen (e.g., 2 benzamidomethyl - pyrrolidines, etc.) : Carbocyclic ring bonded directly to the nitrogen)
Patent 5157129: Enantiospecific synthesis of S-(+)-5,6-dihydro-4-(R-amino)-4H-thieno(2,3-b)thiopyran-2-sulfonamide-7,
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Sulfur containing hetero ring (e.g., thiiranes, etc.) : The hetero ring is six-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Two ring sulfurs in the hetero ring)
Patent 5157130: Method of preventing discoloring of maleic anhydride
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : With preservative or stabilizer : Cyclic anhydride containing compound with preservative or stabilizer : Process of alkylating the hetero ring)
Patent 5157131: Epoxides and a process for their preparation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Spiro : The spiro includes a hetero ring : The spiro includes a three- or four-membered hetero ring : Plural alkyl groups bonded directly to the same ring carbon of the lactone ring (e.g., pantolactone, etc.))
Patent 5157132: Integrated process for recovery of carotenoids and tocotrienols from oil
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is six-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Bicyclo ring system having the hetero ring as one of the cyclos : The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring : Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) : Purification or recovery : Benzene ring bonded directly to the hetero ring (e.g., flavones, etc.))
Patent 5157133: Dihydropyran derivatives, processes for preparation and use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is six-membered : Chalcogen bonded directly to the hetero ring : Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) : Hydroxy bonded directly at the 3-position and oxygen double bonded directly at the 4-position of the hetero ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal))
Patent 5157134: Dihydroxyheptanoic acids containing an oxabicycloheptane nucleus useful as antihypercholesterolemic agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is five-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Bicyclo ring system having the hetero ring as one of the cyclos : The two cyclos share at least three ring members (i.e., bridged) : Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding)
Patent 5157135: 1.alpha.,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : 9,10-Seco-cyclopentanohydrophenanthrene ring system or 9,10-seco cyclopentanohydrophenanthrene ring system having a bond between the 3- and 5-positions (e.g., vitamin D compounds, cholecalciferols, activated 7-dehydrocholesterols, dihydrotachysterols, 3,5 cyclovitamin D compounds, etc.) : Oxygen bonded directly at the 16- or 17-position of the cyclopentanohydrophenanthrene ring system)
Patent 5157136: Single-source metalloorganic precursors to produce II/VI materials
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) : Silicon containing : Hydrogen bonded directly to the boron)
Patent 5157137: Method of making gel free alkylaluminoxane solutions
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : ALUMINUM CONTAINING : Plural aluminums containing : Chalcogen bonded directly to aluminum : Carbocyclic ring bonded directly to the chalcogen)
Patent 5157138: Glutaric acid derivatives and preparation thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached indirectly to silicon by nonionic bonding : Having -C(=X)-, wherein X is chalcogen, attached indirectly to silicon by nonionic bonding : Chalcogen bonded directly to silicon)
Patent 5157139: Inorganic acid catalysed silylation reactions
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) : Processes : Forming group containing silicon and carbon bonded directly to the same oxygen (e.g., esters, etc.) : Bonded directly to each other)
Patent 5157140: Esters of myo-inositol phosphate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Plural phosphori attached directly or indirectly to each other by nonionic bonding : Purification or recovery)
Patent 5157141: Process for the preparation of hydroxybenzylphosphonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes : Trivalent phosphorus converted into pentavalent phosphorus : Elemental phosphorus reactant)
Patent 5157142: Thiocarbamates and their derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Esters having the thiocarboxylate group, -C(=X)X-, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur, and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon : Nitrogen bonded directly to the carbon of the -C(=X)X- group (e.g., thiocarbamates, etc.) : The -C(=X)X- is -C(=S)O- : Multiple bond between two acyclic carbons)
Patent 5157143: Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Sulfur in acid moiety : Sulfoxy in acid moiety : Nitrogen in acid moiety :)
Patent 5157144: 2-(halomethyl)-alpha-(methoxyimino) benzeneacetic acid methyl ester
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : Amidine, azomethine, ketimine or oxime in acid moiety : Sulfur, nitrogen, halogen or additional oxy in alcohol moiety)
Patent 5157145: Process for the preparation of dipeptides with C-terminal non-proteinogenous amino acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : The nitrogen is not bonded directly to a ring : The nitrogen is in same side chain as ester function : Amide in acid moiety : Phenylalanines)
Patent 5157146: Method for preparing isoprenoid cyclopropane 1,1-dicarboxylates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Cyclopropyl in acid moiety : Cyclopentyl-COOR, -C-COOR or -C-C-COOR)
Patent 5157147: Method for preparing mercaptopropionic acid esters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Sulfur in acid moiety : Polycarboxylic acid)
Patent 5157148: Fluorine-containing alicyclic and aromatic cyclic compounds, process thereof and adhesive composition containing the compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsaturation in acid moiety : Halogen in acid moiety : By dehydrogenation)
Patent 5157149: Enantioselective synthesis of L-(-)-4- boronophenylalanine (L-BPA)
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Boron acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to boron by nonionic bonding and wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) : Formation of the -C(=O)-O-OH group, or of a salt thereof (e.g., from acid halides or anhydrides, neutralization; etc))
Patent 5157150: Preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acids and intermediates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Sulfinic or sulfenic acids or salts thereof (i.e., compounds containing the sulfinate group, -S(=O)O-, or the sulfenate group, -S-O-, wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or group IIA light metal or to substituted or unsubstituted ammonium) : Processes (e.g., neutralization, stabilization, etc.))
Patent 5157151: Salts of 1-adamantamine and formulations thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Aromatic : Oxy : Polycyclo ring system : Phenoxy alkanoic acids)
Patent 5157152: Process for the oxidation of a tetrahydrophthalic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Alicyclic acids having an oxy, aldehyde, or ketone group : Cyclopentyl bonded to -COOR, -CCOOR, or -CCCOOR)
Patent 5157153: Preparation of phosphinoacetic acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Cyclopentyl bonded to -COOR, -CCOOR, or -CCCOOR)
Patent 5157154: Tetra (organyl) tellurium compounds and process for preparing same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Selenium or tellurium containing : Purification or recovery)
Patent 5157155: Benzoylurea derivative and its production and use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Benzene ring containing : Halogen, bonded directly to carbon, containing : Of compound having amino nitrogen and hydroxy bonded directly to the benzene ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal))
Patent 5157156: Process for preparing an intermediate useful in the syntheis of probucol
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SULFUR CONTAINING : Thiol or mercaptide containing (i.e., -SH or -SM containing where M is a Group IA or IIA light metal) : Oxygen containing : Carbonyl containing (e.g., ketone containing, etc.) : Oxygen bonded directly to a ring : Plural rings bonded directly to the same sulfur)
Patent 5157157: Process for preparing 1-oxo-1,2,3,4,-tetrahydronaphthalene
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ketones : Benzene ring containing : Processes : Oxidation of organic compound utilizing gaseous oxygen : Plural rings in ketone prepared : Plural rings bonded directly to the same sulfur)
Patent 5157158: Alkylation of aromatic hydrocarbons
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Benzene ring containing : Preparing by alkylation of benzene ring : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal))
Patent 5157159: Process for hydroxyalkylation of fluorinated alcohols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Polyoxy : Halogen containing : Fluorine : Ether oxygen is ortho to the hydroxy)
Patent 5157160: Certain 5-substituted-1-azabicyclo[3.1.1]heptanes and their pharmaceutical use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Bicyclo ring system having the six-membered hetero ring as one of the cyclos : The tricyclo ring system consists of a five-membered carbocyclic ring ortho fused to both a six-membered carbocyclic ring and the six-membered hetero ring (e.g., indenopyridines, etc.))
Patent 5157161: One-step synthesis of methyl t-butyl ether from t-butanol using hydrogen fluoride-modified montmorillonite clays
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by dehydration of an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : Sulfuric acid utilized)
Patent 5157162: One step synthesis of methyl t-butyl ether from t-butanol using fluorosulfonic acid-modified clay catalysts
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by dehydration of an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : Sulfuric acid utilized)
Patent 5157163: Purification of methyl tertiary-butyl ether
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Purification or recovery : Sulfuric acid utilized)
Patent 5157164: Polymerizable antioxidant composition
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Benzene ring containing : Phenols (H of -OH may be replaced by a Group IA or IIA light metal) : Polyphenols : Three or more rings containing : Polycyclo ring system : Guaiacol per se or salt thereof)
Patent 5157165: Method for preparing highly pure 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Benzene ring containing : Phenols (H of -OH may be replaced by a Group IA or IIA light metal) : Polyphenols : Two phenols bonded directly to the same carbon : Identical phenols : Guaiacol per se or salt thereof)
Patent 5157166: Process for the preparation of di-fluro analogs of squalene
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Halogen containing : Fluorine containing : Carbon to carbon unsaturation containing : Boron containing material utilized)
Patent 5157167: Organoboron reagents for the preparation of unsubstituted propargylic alcohols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Acetylenically unsaturated : Preparing from carbonyl containing compound : Ion exchange or sorbent material utilized)
Patent 5157168: Process for the production of fatty alcohols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Preparing from carbonyl containing compound : By alcoholysis, hydrolysis, or saponification of an ester : Ion exchange or sorbent material utilized)
Patent 5157169: Preparation of 3-halo-halobenzenes and 1-halo-3,5-dihalobenzenes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : Preparing benzene ring containing compound : Oxygen containing)
Patent 5157170: Process for reacting polyhalogenated aromatic compounds with monohalogenated or nonhalogenated aromatic compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : Preparing benzene ring containing compound : Substituting halogen for different halogen or hydrogen : By substituting halogen for a different halogen in haloalkyl group)
Patent 5157171: Process for chlorofluoropropanes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : Isomerization : Substituting halogen for different halogen or hydrogen)
Patent 5157172: Process for the preparation of 1,1,1-Trifluoro-2-chloroethane
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : By reacting with hydrogen fluoride : Catalyst utilized : Metal halide containing catalyst : Transition metal halide containing catalyst :)
Patent 5157173: Process for 4-chlorobenzotrichloride
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Processes of preparing, purifying, or recovering benzene ring containing compound : Preparing acyclic haloalkyl group containing compound : Halogenation of acyclic carbon : Oxygen containing organic compound reactant)
Patent 5157174: Ternary molybdenum chalcogenide oxychlorination catalysts
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Preparing by oxyhalogenation : Fixed bed catalyst utilized : Including contact with solid agent)
Patent 5157175: Composition and method for inhibition of styrene polymerization
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE : With nonhydrocarbon additive : O containing : And N containing : Additive(s) aromatic :)
Patent 5157176: Recycling process, apparatus and product produced by such process for producing a rubber extender/plasticizing agent from used automobile
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE : Component of indefinite molecular weight greater than 150 : Mineral oil-containing)
Patent 5157177: VI enhancing compositions and newtonian lube blends
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE : Component of indefinite molecular weight greater than 150 : Polymer : And N containing)
Patent 5157178: Process for producing oxygenated gasoline
(CHEMISTRY OF HYDROCARBON COMPOUNDS : ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION : Hydrocarbon is contaminant in desired hydrocarbon : Hydrogenation of diolefin or triple bond : Polycyclo, i.e., fused)
Patent 5157179: Method for producing a cycloolefin
(CHEMISTRY OF HYDROCARBON COMPOUNDS : ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION : Hydrocarbon is aromatic : Hydrogenation of diolefin or triple bond)
Patent 5157180: Alkylation and transalkylation processes
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PLURAL SERIAL DIVERSE SYNTHESES : Same catalyst, solvent, or component thereof used in both syntheses : Entire catalyst composition : Co, Fe, or Ni)
Patent 5157181: Moving bed hydrocarbon conversion process
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PLURAL SERIAL DIVERSE SYNTHESES : To produce unsaturate : Including polymerization of olefin : From O compound feed or intermediate)
Patent 5157182: Dehydrocyclization of polysubstituted cyclic organic compounds over copper aluminum borate
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By ring formation from nonring moiety, e.g., aromatization, etc. : Aromatic feed : Using metal-containing catalyst : With nonmetal organic compound)
Patent 5157183: Aromatization process using an improved catalyst
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By ring formation from nonring moiety, e.g., aromatization, etc. : Using transition metal-containing catalyst : Group VIII noble metal : With nonmetal organic compound)
Patent 5157184: Catalyst and process for oxidatively dehydrogenating a lower-alkyl-substituted ethylbenzene
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : Having alkenyl moiety, e.g., styrene, etc. : By dehydrogenation : Using metal oxide, sulfide, or salt : With alkaline metal compound)
Patent 5157185: Alkylation of aromatics
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. : Using metal, metal oxide, or hydroxide catalyst : B trifluoride in a complex or with additional nonhydrocarbon agent)
Patent 5157186: Process for catalytic coupling of an alkene with an aromatic hydrocarbon
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. : Using metal, metal oxide, or hydroxide catalyst : B trifluoride in a complex or with additional nonhydrocarbon agent)
Patent 5157187: Hydroisomerization process for pour point reduction of long chain alkyl aromatic compounds
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By isomerization : Using metal oxide- or sulfide-containing catalyst : Crystalline aluminosilicate : Meta- or 1,3,5-alkyl benzene)
Patent 5157188: Methane conversion
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By dealkylation)
Patent 5157189: Conversion of light hydrocarbons to higher hydrocarbons
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By dealkylation)
Patent 5157190: Process for preparing olefins by butene displacement
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By addition of entire unsaturated molecules, e.g., polymerization, etc. : Definite molecular weight product, e.g., dimer, etc. : Using catalyst containing metal bonded to or complexed with C, C-containing compound, or H : Al-and transition metal-containing :)
Patent 5157191: Modified crystalline aluminosilicate zeolite catalyst and its use in the production of lubes of high viscosity index
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By addition of entire unsaturated molecules, e.g., polymerization, etc. : Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. : Catalyst containing inorganic metal : Al : Al oxide, e.g., aluminosilicate, etc. :)
Patent 5157192: Conversion of tertiary alcohols to C8+ olefins
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : From nonhydrocarbon feed : Alcohol, ester, or ether : Using metal oxide catalyst : Metal salt agent)
Patent 5157193: Preparing lower alkenes from methanol
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : From nonhydrocarbon feed : Alcohol, ester, or ether : Using metal oxide catalyst : Metal salt agent)
Patent 5157194: Highly selective n-olefin isomerization process using microcrystalline ZSM-22
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By skeletal isomerization : Using transition metal-containing catalyst)
Patent 5157195: Control of HF alkylation propane stripper
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : With measuring, sensing, testing, or synthesis operation control responsive to diverse condition : Using transition metal-containing catalyst)
Patent 5157196: Paraffin alkylation process
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. : With specified flow procedure within or at entrance to reactor, e.g., by use of named mixing device, etc. : Using solid catalyst or sorbent)
Patent 5157197: Isoparaffin alkylation using a lewis acid promoted transition alumina catalyst
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. : Using extraneous nonhydrocarbon agent : B-containing : With additional nonhydrocarbon agent)
Patent 5157198: Process for isomerizing normal paraffins in the presence of at least one catalyst based on a particular omega zeolite
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By isomerization : Using aluminosilicate catalyst : O-containing)
Patent 5157199: Isomerization of paraffins with strong solid acid catalyst and adamantane
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By isomerization : Using metal oxide or hydroxide catalyst : With alumina)
Patent 5157200: Process for the fractionation of a gaseous mixture containing hydrogen light aliphatic hydrocarbons and light aromatic hydrocarbons
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By plural serial diverse separations : To recover alicyclic : Including free metal)
Patent 5157201: Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By contact with solid sorbent : Aromatic permeate)
Patent 5157202: Gas absorption for separation of hydrocarbons
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By addition of extraneous agent, e.g., solvent, etc. : Cyclic sorbate)
Patent 5157203: Separation of organic sulfides from olefins
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By addition of extraneous agent, e.g., solvent, etc. : Cu : By interaction with monoolefin)
Patent 5157204: Removal of impurities from hydrocarbon feeds
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By addition of extraneous agent, e.g., solvent, etc. : Group VII or VIII transition metal-containing, e.g., Werner complex formation, etc. : Cu halide with added material other than water)
Patent 5157205: Process for removing aldehydes and/or vinyl esters from gaseous or liquid process streams
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By addition of extraneous agent, e.g., solvent, etc. : Alkaline metal-containing : Al)
Patent 5157206: Inbred corn line PHN82
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)
Patent 5157207: Modified plant containing a bacterial insculant
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Rice :)
Patent 5157208: Inbred corn line PHN73
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)
Patent 5157209: Semi-automatic safety handgun
(FIREARMS : SAFETY MECHANISM : Hammer or firing pin : With pivoted hammer)
Patent 5157210: Shotgun cartridge adapter
(FIREARMS : BARRELS : Auxiliary : With pivoted hammer)
Patent 5157211: Choke tube assembly
(FIREARMS : BARRELS : Choke devices : With pivoted hammer)
Patent 5157212: Drum tensioning apparatus
(MUSIC : INSTRUMENTS : Drums : Cord tighteners : With electric action)
Patent 5157213: Portable electronic apparatus
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Data storage : Digital memory circuit (e.g., RAM, ROM, etc.) : Tone synthesis or timbre control : Stops)
Patent 5157214: Musical sound synthesizing apparatus
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Data storage : Digital memory circuit (e.g., RAM, ROM, etc.) : Tone synthesis or timbre control : Stops)
Patent 5157215: Electronic musical instrument for modulating musical tone signal with voice
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Data storage : Digital memory circuit (e.g., RAM, ROM, etc.) : Tone synthesis or timbre control : Modulation : Reiteration)
Patent 5157216: Musical synthesizer system and method using pulsed noise for simulating the noise component of musical tones
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Electric analog oscillators : Tone synthesis or timbre control : Modulation : Amplitude : Tempo control)
Patent 5157217: Ornamental display assembly having extinguishable lights
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Combs : Cylinder type : Combined : Pipe organ)
Patent 5157218: Musical tone signal forming apparatus
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Digital combinational circuit : Tone synthesis or timbre control : Force or velocity responsive)
Patent 5157219: Primers
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Percussion primers or ignitors : With housing)
Patent 5157220: Static arming bomb priming device
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Ignition or detonation circuit : Including activated generator : Piezoelectric crystal : Nonmetallic)
Patent 5157221: Ammunition unit with adaptive impact fuze
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Ignition or detonation circuit : Including impact or inertia switch : Radio wave)
Patent 5157222: Pyrotechnic ignition apparatus and method
(AMMUNITION AND EXPLOSIVES : PYROTECHNICS : Simulation : Including plural, successively ignited charges)
Patent 5157223: Explosive attenuating structure
(AMMUNITION AND EXPLOSIVES : HAVING REACTION MOTOR : Including external propellent charge)
Patent 5157224: Device for holding and guiding a sub-projectile in a cylindrical casing and in a weapon barrel
(AMMUNITION AND EXPLOSIVES : CARTRIDGES : Telescoping powder charge : Telescoping powder charge)
Patent 5157225: Controlled fragmentation warhead
(AMMUNITION AND EXPLOSIVES : SHELLS : Shrapnel : Structurally weakened casing : Impact-operated)
Patent 5157226: Developing apparatus producing toner powder cloud for developing images
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Having cloud-forming application : Having internal rotary member)
Patent 5157227: Digitizer tablet with regional error correction
(TELEGRAPHY : SYSTEMS : Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) : Error correction : Overlap)
Patent 5157228: Adjusting technique for a digital elevator drive system
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : HAVING COMPUTER CONTROL OF ELEVATOR : Having linking cable tension change actuated stopping means for load support)
Patent 5157229: Video game joystick switch control mechanism with position adjustors
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : MULTIPLE CIRCUIT CONTROL : Pivoted contact : Universally pivoted handle : Thumbwheel)
Patent 5157230: Safety actuator apparatus for one-piece overhead garage door operator
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : SPECIAL APPLICATION : Feeler moves into detecting contact with object : Sensitive edge type closure : By movement of steering wheel or post relative to column)
Patent 5157231: Apparatus for inductive hardening crankshafts with crank pins having a hollow ground radius
(ELECTRIC HEATING : INDUCTIVE HEATING : Specific heating application : Rod : Irregular (e.g., camshaft, etc.) : Core or coil structure)
Patent 5157232: Method and apparatus for inductively heating asymmetrically shaped workpieces
(ELECTRIC HEATING : INDUCTIVE HEATING : Specific heating application : Rod : Irregular (e.g., camshaft, etc.) : Core or coil structure)
Patent 5157233: Electromagnetic induction heater for heating a continuous thin sheet without undulation
(ELECTRIC HEATING : INDUCTIVE HEATING : Specific heating application : Strip (e.g., sheet, etc.) : Interior surface)
Patent 5157234: C-type welding gun robot holding apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : By spot bonding : Fluid pressure actuated electrode : Having interchangeable welding electrodes)
Patent 5157235: Laser marking system
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Etching or trimming : With chamber)
Patent 5157236: Adaptive pulse mode gas metal arc welding control
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Including arc-power supplies : With predetermined time variation of arc voltage or current (e.g., programmed) : Pulsating or periodic output : Methods)
Patent 5157237: Welding electrode wire having multiple current contacts and dispensing apparatus therefor and method of making same
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : With consumable electrode device : Process)
Patent 5157238: Fusing apparatus and method
(ELECTRIC HEATING : HEATING DEVICES : Combined with diverse-type art device : Printing or reproduction device : Crystal or other vibratory device)
Patent 5157239: Oven
(ELECTRIC HEATING : HEATING DEVICES : Combined with container, enclosure, or support for material to be heated : Oven type : With heating unit structure or composition : With infrared generating means : Bimetallic or other flexible means)
Patent 5157240: Deposition heaters
(ELECTRIC HEATING : HEATING DEVICES : Combined with container, enclosure, or support for material to be heated : Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) : Material is an electronic semiconductor device : Adjustable)
Patent 5157241: Temperature control device provided in a plastic-processing machine
(ELECTRIC HEATING : HEATING DEVICES : With heater-unit housing, casing, or support means (e.g., frame and single sheet) : Specially formed or adapted to fit material to be heated (e.g., a pipe) : Cloth or other fabric)
Patent 5157242: Hanging heating element for high temperature furnace
(ELECTRIC HEATING : HEATING DEVICES : With heating unit structure : Comprising plural separate and distinct resistive elements : Plural units combined with single casing housing or support)
Patent 5157243: High speed bar code scanning on inserters using pivotable moving beam bar codes scanners
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Operations analysis : Independent voting mechanism)
Patent 5157244: Smart key system
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Electrical contact : With tabular chart, scale, or graph)
Patent 5157245: Magnetic sensor
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Magnetic : Raised or depressed portions on record)
Patent 5157246: Speed control for manual scanning card reader/writer
(REGISTERS : CODED RECORD SENSORS : Hand feed : Intermittent feed)
Patent 5157247: IC card
(REGISTERS : RECORDS : Conductive : Aligning records)
Patent 5157248: Laser diode scanner with minimized power consumption, minimized dead zone, and increased safety
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specific scanning detail (e.g., scanner with a specific scanning field of view) : Moving a spot of light (e.g., flying spot scanner) : Having a transmissive optical element (e.g., lens, prism, or aperture) :)
Patent 5157249: Miniaturized optical pick-up with high sensitivity focusing error detecting device
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Active autofocus : With optical storage medium; e.g., optical disc, etc. : With detector support)
Patent 5157250: Photomultiplier having gain stabilization means
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Electron multiplier : With comparison)
Patent 5157251: Scanning force microscope having aligning and adjusting means
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Special photocell or electron tube circuits)
Patent 5157252: Photometer arrangement with scattered light trap
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Special photocell or electron tube circuits)
Patent 5157253: Envelope reflectance meter evaluating print contrast
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Color (e.g., filter or spectroscope) : Inanimate article)
Patent 5157254: Reflective electro-luminescent measurement adapter for quality control of baked and fried goods
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Housings (in addition to cell casing) : Hoods, grating, baffles, diaphragms, masks)
Patent 5157255: Compact, thermally efficient focal plane array and testing and repair thereof
(RADIANT ENERGY : CALIBRATION OR STANDARDIZATION METHODS :)
Patent 5157256: System for exchanging samples and electrode tip units in a surface probe microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)
Patent 5157257: Mid-infrared light hydrocarbon DIAL LIDAR
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With means to analyze uncontained fluent material : With a recirculation path)
Patent 5157258: Multicolor infrared focal plane arrays
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : Including detector array : With adjustment of conditions)
Patent 5157259: Measuring method and measuring arrangement for determining the orientation ratio of flexible magnetic recording media
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : Methods : With irradiation or heating of object or material : Including polarizing means : With gaseous sample)
Patent 5157260: Method and apparatus for focusing ions in viscous flow jet expansion region of an electrospray apparatus
(RADIANT ENERGY : ION GENERATION : Magnetic lens)
Patent 5157261: Detection device for high explosives
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)
Patent 5157262: Sensor element for determination of concentration of substances
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)
Patent 5157263: Method for recording an image of ionizing radiation
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Rotary motion)
Patent 5157264: Support for sliding radiographic plate in a magazine
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Rotary motion)
Patent 5157265: Method for determination of the size and location of an end head and the location of an end head stack in a roll wrapper
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Measuring dimensions : Transversal measurement (e.g., width, diameter, cross-sectional area) : With triangulation)
Patent 5157266: Method and device for testing transparent sheets
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Detection of diffuse light : With diffusion optics : With moving reticle in optical path)
Patent 5157267: Driving apparatus for starting an engine with a starter motor energized by a capacitor
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Electric-starting motor : Automatic starters including centrifugally operated contactors)
Patent 5157268: Apparatus for triggering a passive safety device for protecting passengers in a vehicle
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5157269: Load current sharing circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Load current control : Load current division : Peak or excess load : Plural converters)
Patent 5157270: Reset signal generating circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)
Patent 5157271: Apparatus for controlling a power supply of an electric machine in a vehicle
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)
Patent 5157272: Pulse forming networks
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : WAVE FORM OR WAVE SHAPE DETERMINATIVE OR PULSE-PRODUCING SYSTEMS : Condition responsive switch)
Patent 5157273: Modular power outlet strip
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : CONDUCTOR ARRANGEMENTS OR STRUCTURE : Switch actuation)
Patent 5157274: Electrical interface circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : MISCELLANEOUS SYSTEMS : Multipart-conductor current equalization)
Patent 5157275: Circuit employing logical gates for calculating activation function derivatives on stochastically-encoded signals
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Digital neural network : Digital neuron processor :)
Patent 5157276: Low jitter clock phase adjust system
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : Responsive to power supply)
Patent 5157277: Clock buffer with adjustable delay and fixed duty cycle output
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : Phase lock loop)
Patent 5157278: Substrate voltage generator for semiconductor device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : With battery connected across rectifier)
Patent 5157279: Data output driver with substrate biasing producing high output gain
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))
Patent 5157280: Switch for selectively coupling a power supply to a power bus
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Drive circuitry (e.g., word line driver) : Verify signal)
Patent 5157281: Level-shifter circuit for integrated circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Integrated structure : With specific layout or layout interconnections : Having field-effect transistor device : Selective type signal filtering (e.g., from low pass to high pass, etc.))
Patent 5157282: Programmable output driver for integrated circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)
Patent 5157283: Tree decoder having two bit partitioning
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : With field-effect transistor : MOSFET)
Patent 5157284: Integrated circuit including an input buffer circuit having NAND and NOR gates
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : CMOS)
Patent 5157285: Low noise, temperature-compensated, and process-compensated current and voltage control circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : Bias or power supply level stabilization : With clocking)
Patent 5157286: Conditional clocking of the second latch of a shift register ratch
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Current driving (e.g., fan in/out, off chip driving, etc.))
Patent 5157287: Semiconductor circuit device with input threshold value correction circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor)
Patent 5157288: Phase shifting circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Phase shift by less than period of input : Monostable)
Patent 5157289: FET adaptive limiter with high current FET detector
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Transient or signal noise reduction : Using 3 or more terminal type nonlinear devices only : Resistor in cross-coupling path)
Patent 5157290: Phase detector
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By phase : Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) : With reference signal :)
Patent 5157291: Switching circuit for selecting an output signal from plural input signals
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Converging with plural inputs and single output : Field-effect transistor : Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.))
Patent 5157292: Rotor assembly method and article
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With assembling, metal casting or machining feature : Solenoid and core)
Patent 5157293: Electric motor with electronic commutation of complex structure
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Connectors, terminals or lead-ins : Distributor or timer (e.g., ignition magnetos))
Patent 5157294: Miniature motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Impedance devices : Distributor or timer (e.g., ignition magnetos))
Patent 5157295: Under-the-hub disk drive spin motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)
Patent 5157296: Bearing for use in high resolution precision control device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)
Patent 5157297: Structure of radial type rotor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Pole shoes/pole pieces : Circumferential flux path and circumferential pole shoes : Pole shoes fixed with end plates : With an integral wedge)
Patent 5157298: Brushless motor with greater efficiency
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Specific shape : Specific magnetization : With single stator and plural sets of rotating magnets)
Patent 5157299: Flat commutator and method for its production
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Disc : Multifrequency)
Patent 5157300: Vibration wave driven motor apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor : Stator :)
Patent 5157301: Color cathode ray tube unit
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : Convergence : With studs)
Patent 5157302: Color picture tube device with static convergence adjuster
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : Convergence : With studs)
Patent 5157303: Cathode ray tube comprising a photodeflector
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including a discharge device : With device discharging a condenser : Tube-type amplifier)
Patent 5157304: Field emission device display with vacuum seal
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on envelope wall)
Patent 5157305: Deflecting yoke for television receiver
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : Including plural cores or coils)
Patent 5157306: Gas probe starter for an electrodeless high intensity discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)
Patent 5157307: Sewing machine drive apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : BRAKING : Friction braking : Including both friction braking "plugging" and/or dynamic braking)
Patent 5157308: Methods and apparatus for reducing electromagnetic interference emission from a cathode ray tube video display system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH ELECTROMAGNETIC WAVE RADIATION PREVENTING OR SHIELDING MEANS : With plural cathode or anode tube)
Patent 5157309: Cold-cathode field emission device employing a current source means
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Simultaneous application to a load device)
Patent 5157310: Changeover circuit for retrace capacitor
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Deflection coil circuit : Including solid-state switch : Tube-type amplifier)
Patent 5157311: Brushless motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5157312: Device including wetness sensor for controlling a windshield wiper
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL DIVERSE MOTOR CONTROLS : Motor-reversing : With automatic starting and/or stopping : And acceleration control)
Patent 5157313: System for deploying and parking a retractable member
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL DIVERSE MOTOR CONTROLS : Motor-reversing : With automatic starting and/or stopping : Stopping upon predetermined movement of or position of motor or driven device : At limit-of-travel of motor or driven device : Primary motor current)
Patent 5157314: Windshield wiping system for motor vehicles
(ELECTRICITY: MOTIVE POWER SYSTEMS : PERIODIC, REPETITIOUS OR SUCCESSIVE OPERATIONS CONTROL OF MOTOR, INCLUDING "JOG" AND "INCH" CONTROL : Different voltages)
Patent 5157315: Method of controlling robot movements
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : Differential type)
Patent 5157316: Robotic joint movement device
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : Differential type)
Patent 5157317: Method and apparatus for employing an unregulated power supply to power precision motors in a pen plotter
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With compensating features : Secto-scanning systems)
Patent 5157318: Structure of battery charger for different size and specification batteries
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For diverse sizes of cells, batteries, or battery packs : Employing "jumper" cable)
Patent 5157319: Contactless battery charging system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charger inductively coupled to cell or battery : Employing "jumper" cable)
Patent 5157320: Computerized battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Detection of current or voltage differential (e.g., slope, etc.) : Pulse-width modulation)
Patent 5157321: Charging control apparatus for vehicle
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)
Patent 5157322: PNP transistor base drive compensation circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With additional stage)
Patent 5157323: Switched low-loss attenuator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INCLUDING AN IMPEDANCE : Thermistor or resistor : Resistor only)
Patent 5157324: Improved electro-optical crystal
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Using radiant energy : Conductive field (e.g., mercury))
Patent 5157325: Compact, wireless apparatus for electrically testing printed circuit boards
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Pin : Of reflected test signal)
Patent 5157326: Board assembly for validation and characterization of a bus system
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)
Patent 5157327: Method and apparatus for electro-optically measuring a voltage signal
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using electro-optic device : Of reflected test signal)
Patent 5157328: System for and method of detecting reverse packaging of PROM
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With identification of DUT : Cantilever)
Patent 5157329: Apparatus for sensing rotation having an encoder biased towards a stationary sensor and a member transmitting rotation to the encoder
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Rotary : Magnetoresistive)
Patent 5157330: Method and apparatus for compensating magnetic field inhomogeneity artifact in MRI
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)
Patent 5157331: Enhanced wide aperture groove for antenna of downhole resistivity tool
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole :)
Patent 5157332: Three-toroid electrodeless conductivity cell
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Having inductance probe structure : Including an integrating device)
Patent 5157333: Discharge initiating means for cold cathode discharge ionization gauge
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For monitoring pressure : Using a magnetic field : With axially arranged electrodes)
Patent 5157334: Image intensifier monitoring of power line insulator leakage
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Using radiant energy : With support for article)
Patent 5157335: On-chip error detection circuit
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)
Patent 5157336: Noise measurement in a paired telecommunications line
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Noise : Including a remote type circuit)
Patent 5157337: Dielectric constant measurement probe assembly and apparatus and method
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using particular field coupling type (e.g., fringing field) : Circuit interference (e.g., crosstalk) measurement)
Patent 5157338: Antenna VSWR indicator
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : With a resonant cavity)
Patent 5157339: Method for measuring water-oil mixtures with relatively high gas content
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is transmitted through a test substance : To determine water content : Differential bridge circuit)
Patent 5157340: Method and apparatus for detecting soot concentration in particulate trap
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is transmitted through a test substance : To determine insertion loss : Differential bridge circuit)
Patent 5157341: Phase detector
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By phase : Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) : With reference signal :)
Patent 5157342: Precision digital phase lock loop circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : With digital element : With digital element)
Patent 5157343: Electronic arrangement for receiving a modulated carrier signal
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Having specific distortion, noise or other interference prevention, reduction or compensation : Using feedback to reduce distortion, noise or other interference : With parallel signal combiners (e.g., Costas loop))
Patent 5157344: Digital quadrature phase detector for angle modulated signals
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Input signal split into plural signals : Input signal combined with phase shifted or delayed portion of input signal : Including plural detector diodes (e.g., ratio detector type))
Patent 5157345: Apparatus and method for reducing distortion in amplification
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)
Patent 5157346: RF wideband high power amplifier
(AMPLIFIERS : WITH AMPLIFIER BYPASS MEANS (E.G., FORWARD FEED) : Electron tube or diode as impedance)
Patent 5157347: Switching bridge amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having signal feedback means :)
Patent 5157348: Smart programmable gain amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : And significant control voltage developing means : To eliminate crossover distortion)
Patent 5157349: Differential operational amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5157350: Analog multipliers
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having gain control means :)
Patent 5157351: Insulated gate enhancement mode field effect transistor with slew-rate control on drain output
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)
Patent 5157352: Bias current control for operational amplifier current/voltage converters
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including temperature compensation means : Of diode type)
Patent 5157353: Audio system with transient tracking dual voltage power supply
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular power supply circuitry : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5157354: Phase-locked loop IC having ECL buffers
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))
Patent 5157355: Phase-locked loop device having stability over wide frequency range
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural A.F.S. for a single oscillator : Plural comparators or discriminators :)
Patent 5157356: Monolithic microwave integrated circuit voltage controlled harmonic oscillator with isolation amplifiers
(OSCILLATORS : SINGLE OSCILLATOR WITH PLURAL OUTPUT CIRCUITS : Parallel connected)
Patent 5157357: Monolithic microwave IC oscillator
(OSCILLATORS : COMBINED WITH PARTICULAR OUTPUT COUPLING NETWORK : Piezoelectric crystal resonator)
Patent 5157358: High speed frequency agile FSK modulator
(MODULATORS : FREQUENCY SHIFT KEYING MODULATOR OR MINIMUM SHIFT KEYING MODULATOR :)
Patent 5157359: Carrier reset FM modulator and method of frequency modulating video signals
(MODULATORS : FREQUENCY MODULATOR : Pulse amplitude modulator)
Patent 5157360: Frequency selective limiter with temperature and frequency compensation
(WAVE TRANSMISSION LINES AND NETWORKS : AUTOMATICALLY CONTROLLED SYSTEMS : Limiting of amplitude : Including long line element)
Patent 5157361: Nonlinear transmission line
(WAVE TRANSMISSION LINES AND NETWORKS : WAVE-SHAPING : With control of equalizer and/or delay network)
Patent 5157362: Narrow band notch filter with extended passband
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Resonant, discrete frequency selective type : With variable response)
Patent 5157363: Helical resonator filter with adjustable couplings
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)
Patent 5157364: Airline transmission structures in low temperature co-fired ceramic
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Digital structure : Plural mechanically coupled disk resonators)
Patent 5157365: Combined block-substrate filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)
Patent 5157366: Circuit breakers
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : Multipole or polyphase :)
Patent 5157367: Electromagnetic switchgear
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Contacts-selectively, sequentially, alternately, or intermittently actuated : Contact-actuation means : Reciprocating or linearly sliding : Rotary armature)
Patent 5157368: Thin type transformer
(INDUCTOR DEVICES : WITH OUTER CASING OR HOUSING : Adjustable inductor)
Patent 5157369: Circuit breaker switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) : With manual or other mechanical contact controlling means : With direct contact separating means (e.g., plunger camming means) : Reciprocating or slidable motion device)
Patent 5157370: Trip free thermostat
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : With manual or other mechanical contact control means : With spring or other energy storage means : Snap-action : With reset or reclosing means : Hydraulic or pneumatic)
Patent 5157371: Potentiometer retention mechanism and method of mounting
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : Movable contact electrically adjustable over length of resistance element : Contact slides along in contact with element : Contact angularly slidable : Rectilinearly operated)
Patent 5157372: Flexible potentiometer
(ELECTRICAL RESISTORS : FLEXIBLE OR FOLDING : Element coated on flexible base : Switch connects plural elements in parallel)
Patent 5157373: Post glover resistor
(ELECTRICAL RESISTORS : WITH MOUNTING OR SUPPORTING MEANS : Extending between supports : Plural resistors : Element coiled on a core)
Patent 5157374: Alarm buzzer and accessory
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Diaphragm (e.g., horn or buzzer) : With resonance chamber : Having spring)
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