Patents 5251284 - 5251536
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Patent 5251284: Optimal parametric signal processor with lattice basic cell
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Dictionary building, modification, or prioritization)
Patent 5251285: Method and system for process control with complex inference mechanism using qualitative and quantitative reasoning
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : PLURAL PROCESSING SYSTEMS : Defuzzification processing)
Patent 5251286: Method for estimating formation permeability from wireline logs using neural networks
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Learning task : Classification or recognition :)
Patent 5251287: Apparatus and method for neural processing
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Beamforming (e.g., target location, radar))
Patent 5251288: Fuzzy inference apparatus with membership function adjustment
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : MACHINE LEARNING : Defuzzification processing)
Patent 5251289: Printer with improved data entry
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Emulation or plural modes : Engraving or perforating material to form a printing surface (e.g., printing plate, cylinder, or stencil))
Patent 5251290: Modeling method for sorting dependencies among geometric entities
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Solid modelling :)
Patent 5251291: Method of selectively transferring video displayed information
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Edit, composition, or storage control : Block control : Equation or formula processing)
Patent 5251292: Method and apparatus for an equation editor
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Edit, composition, or storage control : Text : Equation or formula processing :)
Patent 5251293: Character display apparatus
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Font selection : Handwritten textual input)
Patent 5251294: Accessing, assembling, and using bodies of information
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Annotation control : Ruled lines)
Patent 5251295: Image processing system having slave processors for controlling standard and optional modules
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHIC PROCESSING SYSTEM : Plural graphics processors : Master-slave processors : Optical detector)
Patent 5251296: Methods and apparatus for generating arbitrarily addressed, arbitrarily shaped tiles in computer graphics systems
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Mask data operation)
Patent 5251297: Picture image processing system for entering batches of original documents to provide corresponding picture image datafiles
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Graphic command processing)
Patent 5251298: Method and apparatus for auxiliary pixel color management using monomap addresses which map to color pixel addresses
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Address manipulation : Address translation (e.g., between virtual and physical addresses) : Photosensor encoder)
Patent 5251299: System for switching between processors in a multiprocessor system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery : By masking or reconfiguration : Of processor : Access processor affected (e.g., I/O processor, MMU, DMA processor))
Patent 5251300: Data processing network
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : COMPUTER-TO-COMPUTER SESSION/CONNECTION ESTABLISHING : Session/connection parameter setting :)
Patent 5251301: Computer remote control through a video signal
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : COMPUTER-TO-COMPUTER DATA MODIFYING : Centralized controlling)
Patent 5251302: Network interface board having memory mapped mailbox registers including alarm registers for storing prioritized alarm messages from
(ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT : INTERRUPT PROCESSING : Interrupt queuing : Path selecting switch)
Patent 5251303: System for DMA block data transfer based on linked control blocks
(ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT : INPUT/OUTPUT DATA PROCESSING : Direct Memory Accessing (DMA) : By command chaining :)
Patent 5251304: Integrated circuit microcontroller with on-chip memory and external bus interface and programmable mechanism for securing the contents of
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SECURITY : Tamper resistant)
Patent 5251305: Apparatus and method for preventing bus contention among a plurality of data sources
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : CLOCK, PULSE, OR TIMING SIGNAL GENERATION OR ANALYSIS : Multiple or variable intervals or frequencies : By shutdown of only part of system)
Patent 5251306: Apparatus for controlling execution of a program in a computing device
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTRUCTION PROCESSING (E.G., PROCESSORS) : DYNAMIC INSTRUCTION DEPENDENCY CHECKING, MONITORING OR CONFLICT RESOLUTION : Scoreboarding, reservation station, or aliasing : Operation)
Patent 5251307: Channel apparatus with a function for converting virtual address to real address
(ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT : INPUT/OUTPUT DATA PROCESSING : Direct Memory Accessing (DMA) : Using addressing :)
Patent 5251308: Shared memory multiprocessor with data hiding and post-store
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Control technique : Access limiting : Backup)
Patent 5251309: System for measuring the efficiency of accessing vector elements using interelement distance of vector data or bank conflicts
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Access timing : Resetting)
Patent 5251310: Method and apparatus for exchanging blocks of information between a cache memory and a main memory
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Hierarchical memories : Caching : Coherency : Cache status data bit :)
Patent 5251311: Method and apparatus for processing information and providing cache invalidation information
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Hierarchical memories : Caching : Coherency : Cache status data bit :)
Patent 5251312: Method and apparatus for the prevention of race conditions during dynamic chaining operations
(ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT : INPUT/OUTPUT DATA PROCESSING : Direct Memory Accessing (DMA) : By command chaining :)
Patent 5251313: Method of bit rate adaption using the ECMA 102 protocol
(ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT : INPUT/OUTPUT DATA PROCESSING : Flow controlling : With access regulating)
Patent 5251314: System for converting from one document type to a plurality of document types allowing accurate reversal therefrom using tables containing
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE SCHEMA OR DATA STRUCTURE : Manipulating data structure (e.g., compression, compaction, compilation) : Pattern matching access)
Patent 5251315: Atomic check-in check-out document copy commands partitioned into document interchange architecture system operands
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE OR FILE ACCESSING : Concurrency (e.g., lock management in shared database) : Pattern matching access)
Patent 5251316: Method and apparatus for integrating a dynamic lexicon into a full-text information retrieval system
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE SCHEMA OR DATA STRUCTURE : Manipulating data structure (e.g., compression, compaction, compilation) : Pattern matching access)
Patent 5251317: Computer system with an access control unit for resource
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: VIRTUAL MACHINE TASK OR PROCESS MANAGEMENT OR TASK MANAGEMENT/CONTROL : TASK MANAGEMENT OR CONTROL : Process scheduling : Resource allocation :)
Patent 5251318: Multiprocessing system comparing information copied from extended storage before and after processing for serializing access to shared
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Shared memory area : Memory access blocking : Coherency)
Patent 5251319: Optical transmission apparatus for digital devices
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including compensation : Using delay : Using optical phase conjugation)
Patent 5251320: Power controller for permitting multiple processors to power up shared input/output devices and inhibit power down until all processors have
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : COMPUTER POWER CONTROL : Power conservation : By shutdown of only part of system : Including generation of associated coded record)
Patent 5251321: Binary to binary coded decimal and binary coded decimal to binary conversion in a VLSI central processing unit
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from mixed base codes : Binary to BCD (binary-coded decimal) : With rollover feature (i.e., antidoublestrike))
Patent 5251322: Method of operating a computer graphics system including asynchronously traversing its nodes
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHIC PROCESSING SYSTEM : Mechanical control (e.g., rotatable knob, slider))
Patent 5251323: Vector processing apparatus including timing generator to activate plural readout units and writing unit to read vector operand elements
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTRUCTION PROCESSING (E.G., PROCESSORS) : PROCESSING ARCHITECTURE : Vector processor : Distributing of vector data to vector registers : Masking to control an access to data in vector register :)
Patent 5251324: Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : USE SURVEYING OR MONITORING (E.G., PROGRAM OR CHANNEL WATCHED) : By passively monitoring receiver operation : By passive determination and measurement (e.g., by detecting motion or ambient temperature, or by use of video camera))
Patent 5251325: Battery saving method and apparatus for providing selective receiver power switching
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Time based : Received signal includes power command)
Patent 5251326: Two way communication system for water sports
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Earth or water medium : Plural conversion stages)
Patent 5251327: Method and apparatus for processing audio messages within a communication system
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Plural transmitters or receivers (i.e., more than two stations) : Central station (e.g., master, etc.) : To or from mobile station : Having talk group :)
Patent 5251328: Predistortion technique for communications systems
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : With control signal)
Patent 5251329: Radio telephone apparatus with microphone mounted in battery case
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Power supply : Noise suppression or echo cancellation)
Patent 5251330: Linear transmitter
(TELECOMMUNICATIONS : TRANSMITTER : Having particular housing or support of a transceiver)
Patent 5251331: High efficiency dual mode power amplifier apparatus
(TELECOMMUNICATIONS : TRANSMITTER : Power control, power supply, or bias voltage supply : Dual mode (e.g., analog and digital) : Plural amplifier stages)
Patent 5251332: FM receiver which detects and responds to receiving and interference states
(TELECOMMUNICATIONS : RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER : Signal selection based on frequency (e.g., tuning) : With other control (e.g., volume, gain, bandwidth, etc.) : By simultaneous control with signal selection)
Patent 5251333: Helmet mounted display device
(APPAREL : GUARD OR PROTECTOR : For wearer's head : Aviator`s helmet : Having article attaching means :)
Patent 5251334: Anti-dazzling device
(APPAREL : GUARD OR PROTECTOR : For wearer's head : Eye shields (e.g., hoodwinks or blinds, etc.) : For circumference of crown)
Patent 5251335: Golf glove
(APPAREL : BODY GARMENTS : Gloves : Fingers : Having high friction outer surface (e.g., friction pad, tenacious coating, tackified, etc.))
Patent 5251336: Head protector for inclement weather
(APPAREL : HEAD COVERINGS : Hoods : Sewing)
Patent 5251337: Method of manufacture of inflatable applique
(APPAREL : GENERAL STRUCTURE : Elements)
Patent 5251338: Toilet height conversion apparatus
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SEAT AND LID : Plural seats : Water level actuated)
Patent 5251339: Retrieving device
(BATHS, CLOSETS, SINKS, AND SPITTOONS : OBSTRUCTION REMOVER : Seal structure detail)
Patent 5251340: Flush toilet with an automatic sterilizing device
(BATHS, CLOSETS, SINKS, AND SPITTOONS : FLUSH CLOSET : Urinals only : Flush actuation automatically responsive to condition : By radiant energy responsive means :)
Patent 5251341: Bicycle tool
(COMPOUND TOOLS : WRENCH : With hammer)
Patent 5251342: Plastic portable toilet assembly
(BATHS, CLOSETS, SINKS, AND SPITTOONS : DRY CLOSETS : With urinal : Urinal)
Patent 5251343: Swimming pool pop-up fitting
(BATHS, CLOSETS, SINKS, AND SPITTOONS : POOL TYPE : With cleaning means : Spout only)
Patent 5251344: Tank for sterile, portable, self-contained shower and shower equipped therewith
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SHOWER (E.G. STALL, WITH WALLS, RECEPTOR, AND SPRAY) : With self-contained water supply : Wall type)
Patent 5251345: Portable shower and wash
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SHOWER (E.G. STALL, WITH WALLS, RECEPTOR, AND SPRAY) : With self-contained water supply : And pump : Legs)
Patent 5251346: Water recycling device for flush toilet use
(BATHS, CLOSETS, SINKS, AND SPITTOONS : FLUSH CLOSET OR URINAL AND WASH RECEPTACLE : Wash receptacle water empties into toilet facility :)
Patent 5251347: Bed having patient warming apparatus
(BEDS : WITH HEATING OR COOLING : And means to force air : Legs)
Patent 5251348: Contact cleaner roll cleaning system
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : ATTACHMENTS : Moving surface scraper, wiper, or brush : Roll cleaners : Reciprocating or traveling : Articulated support structure)
Patent 5251349: Multi-modal patient support system
(BEDS : MATTRESS (FOR WHOLE BODY) : Having confined gas (e.g., air mattress) : Variably pressurizable chambers (e.g., with pump) : Pivoting)
Patent 5251350: Interchangeable bedspread
(BEDS : BEDCLOTHING : With edge roll, cord, or welt)
Patent 5251351: Combination tool, in particular for motor vehicles
(COMPOUND TOOLS : AUTOMOBILE REPAIR OR MAINTENANCE :)
Patent 5251352: Seven way combination tool
(COMPOUND TOOLS : HOUSE PAINTING, PAPER HANGING, OR GLAZING :)
Patent 5251353: Multipurpose plier
(COMPOUND TOOLS : PLIER TYPE : With tool or plier handle : With tool pivoted to plier :)
Patent 5251354: Transfer device
(BRIDGES : GANGWAY, RAMP, OR DOCK LEVELER : Attached : With lift means : Attached to fixed structure at first end and with cover and provision to fit vehicle at second end : Vertically swinging)
Patent 5251355: Strip brush for mounting on a rotary drum
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : IMPLEMENTS : Brush or broom : Heads and casings : Rotary : Spiral bristle mount : With securing means)
Patent 5251356: Device for cleaning pipe passages of medical devices
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : IMPLEMENTS : Pipe, tube, or conduit cleaner : Inside : Rotary tool : Power source outside tube end : Elevator wheel)
Patent 5251357: Windshield wiper blade with deformable internal cavity
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : ATTACHMENTS : Optical-member-attachable cleaner (e.g., windshield wiper) : Cleaning element structure : Supplemental cleaning means brought into surface contact : Hinged longitudinally of cleaning element)
Patent 5251358: Vacuum cleaner with fuzzy logic
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : With automatic control : Air blast only (e.g., boiler soot-blower))
Patent 5251359: Heavy duty offset tube hinge
(MISCELLANEOUS HARDWARE : HINGE : Including means to hold or retard hinged members against pivotal movement (e.g., catch) : Having discrete manipulatable release means (e.g., lever operated) : About axis along or parallel to hinge axis)
Patent 5251360: Seal retaining clamping apparatus
(BUCKLES, BUTTONS, CLASPS, ETC. : BALE AND PACKAGE TIES, HOSE CLAMPS : Metal bands : Tangential screw)
Patent 5251361: Ladies belt clip
(BUCKLES, BUTTONS, CLASPS, ETC. : BUCKLES : Harness : Strap loops and attaching devices : Sliding part or wedge)
Patent 5251362: Magnetic latch
(BUCKLES, BUTTONS, CLASPS, ETC. : HAVING MAGNETIC FASTENER : Strap connector)
Patent 5251363: Method and apparatus for combining differently colored threads into a multi-colored yarn
(TEXTILES: MANUFACTURING : THREAD FINISHING : Surface modification of running length : Diverse finishing operations : Including stuffer box texturing : By indexing blade-type thread guide)
Patent 5251364: Drawing device for synthetic filaments
(TEXTILES: MANUFACTURING : THREAD FINISHING : Surface modification of running length : Stretching apparatus : By singeing)
Patent 5251365: Method for making ball screw nut
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Process for making bearing or component thereof : Rotary bearing : Anti-friction bearing or component thereof : Assembling of race and rolling anti-friction members : With race making : Die-press shaping)
Patent 5251366: Apparatus for feeding sheet-like blanks to a deep-drawing machine
(METAL WORKING : PLURAL DIVERSE MANUFACTURING APPARATUS INCLUDING MEANS FOR METAL SHAPING OR ASSEMBLING : Multiple stations working strip material : And work-holder for assembly)
Patent 5251367: Pneumatically driven descaling tools
(METAL WORKING : SCALE REMOVER OR PREVENTOR : Mechanically powered operator : Hammer : Disassembling of a pack)
Patent 5251368: Internal locking puller device
(METAL WORKING : MEANS TO ASSEMBLE OR DISASSEMBLE : Puller or pusher means, contained force multiplying operator : Having percussion or explosive operator : Tube, sleeve, or ferrule inserting or removing : Pipe joiner)
Patent 5251369: Alignment assembly jig for a modular face-pumped laser
(METAL WORKING : MEANS TO ASSEMBLE OR DISASSEMBLE : Including means to relatively position plural work parts : Having means to permit support movement while work is thereon)
Patent 5251370: Method of attaching a fastening element to a panel
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Assembling or joining : Joining by deforming : Overedge assembling of seated part : By flaring inserted cup or tube end : At cup or tube end)
Patent 5251371: T-lock shingle attachment for pneumatic nailers
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Assembling or joining : Joining by deforming : Radially expanding part in cavity, aperture, or hollow body : Peripheral edge joining of abutting plates : Joined to rod)
Patent 5251372: Method and apparatus for framing a film mounted integrated circuit
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Electrical device making : Conductor or circuit manufacturing : Beam lead frame or beam lead device : Applying terminal)
Patent 5251373: Method for protection of cable splices
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Electrical device making : Conductor or circuit manufacturing : Assembling elongated conductors, e.g., splicing, etc. : With end-to-end orienting : Including fluid evacuating or pressurizing : With insulation removal)
Patent 5251374: Method for forming heat exchangers
(METAL WORKING : METHOD OF MECHANICAL MANUFACTURE : Heat exchanger or boiler making : Tube with heat transfer means : Finned tube : Common fin traverses plurality of tubes : Passage contains tubular insert)
Patent 5251375: Shaving apparatus
(CUTLERY : RAZORS : With cooperating shearing blades : Oscillating blade : Oscillating inner blade : And stationary outer blade : Safety impulse)
Patent 5251376: Razor head, especially razor blade unit of a wet razor
(CUTLERY : RAZORS : Multiple blade : Vibratory)
Patent 5251377: Vegetable and fruit peeler and peel collector
(CUTLERY : COMBINED CUTLERY OR COMBINED WITH ANCILLARY FEATURE : With skin-removal means : To chain saw chain or guide therefor)
Patent 5251378: Cutting implement
(CUTLERY : CUTTING TOOLS : Plural cooperating blades : Shears : Multiple shearing position : Rotary blade : Adjustable)
Patent 5251379: Paper cutter
(CUTLERY : CUTTING TOOLS : With guard and/or guide : Blade or material guide : Adjustable : Hand- or finger-supported)
Patent 5251380: Handle grip for a utility knife
(CUTLERY : HOLDERS FOR DETACHABLE BLADES : Reinforced)
Patent 5251381: Precision angularity hole checker with indicator
(GEOMETRICAL INSTRUMENTS : GAUGE : Angle : Fixed pivot at one end : Article support)
Patent 5251382: Tape measure for determining the centerpoint of a distance
(GEOMETRICAL INSTRUMENTS : DISTANCE MEASURING : By flexible tape : Specified use : Opposed rotating surfaces)
Patent 5251383: Apparatus for and a method of disposing of wet sludge
(DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS : PROCESS : With nondrying treating of material : Mixing or grinding : Grinding or comminuting)
Patent 5251384: Fluidized bed apparatus including double chamber cartridge filter system
(DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS : APPARATUS : With means to treat gas or vapor : Separation of substances from treating or exhaust gases or vapors : By filter : In or forming walls, ceiling, or floor)
Patent 5251385: Method of heating a grain dryer and apparatus therefor
(DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS : APPARATUS : With waste gas heat and/or power conservers : Jet devices)
Patent 5251386: Protective cover for shoes, boots and the like
(BOOTS, SHOES, AND LEGGINGS : LEGGINGS AND GAITERS :)
Patent 5251387: Shoe insole in the form of a separate insole insert or an integrated insole attached to the shoe
(BOOTS, SHOES, AND LEGGINGS : INSOLES : Covered)
Patent 5251388: Lever device for sports footgear, particularly for ski boots
(BOOTS, SHOES, AND LEGGINGS : UPPERS : Closure : For ski boot : Seamless)
Patent 5251389: Brace for maintaining relative arm-dipper angle
(EXCAVATING : CABLE-OPERATED (E.G., DRAGLINE) : Scoop or bucket : Including mounting or support structure (e.g., boom support, sheave or pulley support))
Patent 5251390: Snowplow
(EXCAVATING : SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE : With specific means to facilitate connection to, or disconnection from, vehicle : Manually powered)
Patent 5251391: Illuminant photo frame
(CARD, PICTURE, OR SIGN EXHIBITING : PICTURE FRAME : With illumination means : Film retention means (e.g., lug, clamp, button, beading-strip, spring, etc.))
Patent 5251392: Artificial window
(CARD, PICTURE, OR SIGN EXHIBITING : DISPLAY WITH SPECIAL EFFECTS : Operated by vibration of vehicle)
Patent 5251393: Luminous display device for electric equipments
(CARD, PICTURE, OR SIGN EXHIBITING : CHANGING EXHIBITOR : Alphanumeric (monogram) device : Liquid crystal : Illuminated)
Patent 5251394: Safety device for semiautomatic pistol
(FIREARMS : SAFETY MECHANISM : Sear lock : With pivoted hammer)
Patent 5251395: Printed elastomer fishing lure dressing
(FISHING, TRAPPING, AND VERMIN DESTROYING : FISHING : Artificial bait : Flexible or with flexible appendages, e.g., worms : Feathers, strands, fibers, etc., only, e.g., flies : Plug or minnow type)
Patent 5251396: Fishing tackle
(FISHING, TRAPPING, AND VERMIN DESTROYING : FISHING : Spreaders or separators for plural lines and/or hooks : Methods of making)
Patent 5251397: Illuminated flea trap
(FISHING, TRAPPING, AND VERMIN DESTROYING : TRAPS : Insect : Adhesive : Flypaper holders : Wedge or toggle)
Patent 5251398: Fibrous coatings for protecting fruit bearing or blossoming trees, shrubs or other vegetation from freeze and frost
(PLANT HUSBANDRY : FROST PREVENTING : Individual support)
Patent 5251399: Vertical plant stand
(PLANT HUSBANDRY : STAND FOR HOLDING A PLANT OR GROWING MEDIUM RECEPTACLE : Monolythic)
Patent 5251400: Control for a door closer having a power-assist opening feature
(MOVABLE OR REMOVABLE CLOSURES : INITIAL MANUAL DISPLACEMENT ENERGIZES MOTOR DRIVE; E.G., TOUCH PLATE INITIATOR : Predetermined delay governs start of closure movement)
Patent 5251401: Pivot corner for a sash window
(MOVABLE OR REMOVABLE CLOSURES : MOUNTED FOR OPTIONAL MOVEMENTS : Pivot mounted on sliding member; e.g., slide-stile : Vertical position holder actuated by pivoting closure : Free stile slide-closure latch, closure carried)
Patent 5251402: Self return mechanism
(MOVABLE OR REMOVABLE CLOSURES : WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION : Louver end caps; e.g., mounting clips)
Patent 5251403: Tubular plastic mounting panel for door hardware
(MOVABLE OR REMOVABLE CLOSURES : PANEL WITH CLOSURE FEATURE : With means to accommodate window accessory; e.g., automobile-type door : Closure carried)
Patent 5251404: Belt grinder for crankshaft pins
(ABRADING : MACHINE : Endless band tool : Presser or former : Roller work feed)
Patent 5251405: Method for circumferential grinding of radially non-circular workpieces
(ABRADING : PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL : With indicating : Of tool or work holder position :)
Patent 5251406: Power hand tool with a gearbox casing with sealing washer
(ABRADING : FRAME OR MOUNT : Portable abrader : With balancing provision)
Patent 5251407: Grinding device
(ABRADING : FRAME OR MOUNT : Portable abrader : Edge-tool sharpener : Planetary)
Patent 5251408: Grinding wheel assembly
(ABRADING : ACCESSORY : Cooling : Wetting grindstone : Nut-and-screw-type drive)
Patent 5251409: Method of drag finishing a housing
(ABRADING : ABRADING PROCESS : Utilizing fluent abradant : Combined abrading : Control means near and parallel to the abrader)
Patent 5251410: Rain gutter cover
(STATIC STRUCTURES (E.G., BUILDINGS) : COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY : With separator; e.g., strainer : Shiftable seating section)
Patent 5251411: Roof edge anchoring devices for building structures
(STATIC STRUCTURES (E.G., BUILDINGS) : EXTERIOR-TYPE FLASHING : Interfitting parts : Relatively movable covering sections)
Patent 5251412: Pantographically movable support apparatus
(STATIC STRUCTURES (E.G., BUILDINGS) : LAZY TONG EXTENSION UNIT : With translucent feature)
Patent 5251413: Stabilized space dividing frames and panels
(STATIC STRUCTURES (E.G., BUILDINGS) : MULTIROOM OR LEVEL : Partition secured to and crossed by preconstructed barrier : Cubicle type; i.e., spaced from floor or ceiling : Horizontal structure includes component of settable material)
Patent 5251414: Energy absorbing composite and reinforcing core
(STATIC STRUCTURES (E.G., BUILDINGS) : WITH SYNTHETIC RESINOUS COMPONENT : With nonresinous component : Embedded, elongated component : Cementitious material)
Patent 5251415: Mesh roof facing system
(STATIC STRUCTURES (E.G., BUILDINGS) : INSULATING INSERT; E.G., FILLER IN CAVITY IN PRECONSTRUCTED OR CAST STRUCTURE : Filler spaced from inside face of cavity : Means (e.g., fastener) to position insulation via supporting means for the barrier : Bricks or blocks designed to receive separator)
Patent 5251416: Insulated panelized roofing system
(STATIC STRUCTURES (E.G., BUILDINGS) : DISPARATE SHEET LAMINA BETWEEN EXPOSED SURFACES OF WALL, FLOOR, OR ROOF (E.G., VAPOR BARRIER, WATERPROOFING MEMBRANE) : Tie crossing dividing lamina : Insulation defines air enclosing cell or compartment)
Patent 5251417: Decorative art glass window grid system
(STATIC STRUCTURES (E.G., BUILDINGS) : SECTIONED IMPERFORATE FACING WITHIN PERPHERAL FRAME; E.G., PLURAL PANEL DOOR : Intersecting separators within frame : With transverse filament)
Patent 5251418: Panel door frame assembly
(STATIC STRUCTURES (E.G., BUILDINGS) : SECTIONED IMPERFORATE FACING WITHIN PERPHERAL FRAME; E.G., PLURAL PANEL DOOR : Attached filament or mesh)
Patent 5251419: Stone-paved floor construction, and method of paving floor with stone
(STATIC STRUCTURES (E.G., BUILDINGS) : FACER HELD BY STIFFENER-TYPE FRAME : Self-supporting section (e.g., facing) attached to nonload bearing framing : Stonelike load bearing-type component : Deformed section)
Patent 5251420: Webbed structural tube
(STATIC STRUCTURES (E.G., BUILDINGS) : OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR : Fabric or lattice; e.g., indeterminate grating : Intersecting strips or strands : For window)
Patent 5251421: Prestress wire splicing apparatus
(STATIC STRUCTURES (E.G., BUILDINGS) : MACHINE OR IMPLEMENT : Assembling exposed modules)
Patent 5251422: Potato chip package vertical packaging machine
(PACKAGE MAKING : DEPOSITING ARTICLES AND ARRANGING MATERIAL IN PREFORMED RECEPTACLES : With movement of receptacle to or from filling station : With means to supply successive receptacles : Contents or receptacle transfer between conveyers : Rotary turret or carrier)
Patent 5251423: Method of and apparatus for sterile packaging using stacked packaging elements, especially plastic cups with varying wall thickness
(PACKAGE MAKING : METHODS : Sterilizing cover only : For preformed receptacle with separate closure)
Patent 5251424: Method of packaging products in plastic containers
(PACKAGE MAKING : METHODS : With contents treating : Liquid treating : Constricting closure by binding)
Patent 5251425: Enveloping device
(PACKAGE MAKING : METHODS : Envelope or triangular flap fold : Opening or setting up collapsed, preformed receptacle)
Patent 5251426: Method and apparatus for conveying stacks of nested preformed lids
(PACKAGE MAKING : METHODS : Closing package or filled receptacle : Closing a preformed, freestanding, rigid or semi-rigid container (e.g., box, carton, bottle) : By applying a separate preformed closure (e.g., lid, cap) : Twisting)
Patent 5251427: Crop harvester plant deflector assembly
(HARVESTERS : MISCELLANEOUS :)
Patent 5251428: Sickle-bar mower
(HARVESTERS : MOTORIZED HARVESTER : Having motor on ground-supported carrier : With means for forming a crop into pellets or wafers)
Patent 5251429: Lawn mower
(HARVESTERS : MOTORIZED HARVESTER : Having motor on ground-supported carrier : And cutter adjustable relative to ground : By adjusting ground wheel or skid relative to carrier : Having cooperating or mating surface textures)
Patent 5251430: Cutter and housing assembly for lawn mower
(HARVESTERS : MOTORIZED HARVESTER : Having motor on ground-supported carrier : And rotatable blade on motor shaft : By adjusting ground wheel or skid relative to carrier)
Patent 5251431: Bar rake attached turntable device
(HARVESTERS : COMBINED RAKES AND TEDDERS : Side-delivery rake : Auxiliary rake)
Patent 5251432: Method for operating a gas and steam turbine plant
(POWER PLANTS : COMBUSTION PRODUCTS USED AS MOTIVE FLUID : Process : Including means selecting direction of engine rotation)
Patent 5251433: Power generation process
(POWER PLANTS : COMBUSTION PRODUCTS USED AS MOTIVE FLUID : Process : Introducing water or steam : Exhaust actuated air aspirator)
Patent 5251434: Pressurized fluidized-bed boiler power plant
(POWER PLANTS : COMBUSTION PRODUCTS USED AS MOTIVE FLUID : Multiple fluid-operated motors : Different fluids : Steam and combustion products : Check valve feeds air to exhaust system)
Patent 5251435: Reverser inner cowl with integral bifurcation walls and core cowl
(POWER PLANTS : REACTION MOTOR (E.G., MOTIVE FLUID GENERATOR AND REACTION NOZZLE, ETC.) : Interrelated reaction motors : Air and diverse fluid discharge from separate discharge outlets (e.g., fan jet, etc.) : Using solid material in reaction zone)
Patent 5251436: Thrust-reducing, chaotic-flow nozzle
(POWER PLANTS : REACTION MOTOR (E.G., MOTIVE FLUID GENERATOR AND REACTION NOZZLE, ETC.) : Solid propellant : Including means to terminate or regulate motive fluid production : Compressor or turbine speed sensed to control fuel flow or outlet area)
Patent 5251437: Method and system for controlling air/fuel ratio for internal combustion engine
(POWER PLANTS : INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS : Methods : Anti-pollution : Motive fluid is vaporized liquid)
Patent 5251438: Air-fuel ratio control apparatus for engine
(POWER PLANTS : INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS : Methods : Anti-pollution : Motive fluid is vaporized liquid)
Patent 5251439: Exhaust device for small sized boat engine
(POWER PLANTS : INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS : Treated by washing, or having liquid contact structure : Pressurizing means feeds reactive air to reactor)
Patent 5251440: Control apparatus and method for automatically controlling a hydraulic system for heavy construction equipment
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Condition responsive control means responsive to, or compensating for, motive fluid compressibility, temperature variation or viscosity variation driven master : Having cam, or lever system driving master)
Patent 5251441: Fluid coupling
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Coaxial impeller and turbine unit : Having condition responsive or manually settable control means to regulate unit output : Of means within an impulse, reaction or energy transfer flow path being adjustable to modify flow of motive fluid : Variable face clearance)
Patent 5251442: Fluid power regenerator
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Control by independently operated punch card, tape, digital computer, counter, template, or programmer cyclic control : Impeller or turbine integral with unit housing)
Patent 5251443: Pressure-control device
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Having condition responsive control in a system of distinct or separately operable outputs or output drive units : Speed of, pressure in, or position of one output motor or motor section controls another : Suction pressure on motor regulated)
Patent 5251444: Hydraulic drive system and valve apparatus
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Condition responsive control of pump or motor displacement : Pump displacement controlled by pump discharge or motor feed pressure : Condition or direction responsive device)
Patent 5251445: Hand operated hydraulic pump having pressurized reservoir within piston
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Pump means moves motive fluid from one chamber to an opposite chamber of opposed expansible chambers having a common output : Valve or restriction controls gravity or spring return of output : Sensor of external condition controls valve)
Patent 5251446: Master cylinder with annular spacer
(POWER PLANTS : PRESSURE FLUID SOURCE AND MOTOR : Pulsator : Including interstage reheat means)
Patent 5251447: Air fuel mixer for gas turbine combustor
(POWER PLANTS : COMBUSTION PRODUCTS USED AS MOTIVE FLUID : Combustion products generator : Having fuel supply system : Fuel and air premixed prior to combustion : Bleed)
Patent 5251448: Heat machine
(REFRIGERATION : GAS COMPRESSION, HEAT REGENERATION AND EXPANSION, E.G., STIRLING CYCLE : Thermoelectric; e.g., peltier effect)
Patent 5251449: Process and apparatus for air fractionation by rectification
(REFRIGERATION : CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE : Separation of gas mixture : Air : Distillation : Downstream operation : Flowline expansion engine : Low pressure nitrogen :)
Patent 5251450: Efficient single column air separation cycle and its integration with gas turbines
(REFRIGERATION : CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE : Separation of gas mixture : Air : Distillation : Upstream operation : Flowline expansion engine : Spaced initial charging :)
Patent 5251451: Multiple reboiler, double column, air boosted, elevated pressure air separation cycle and its integration with gas turbines
(REFRIGERATION : CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE : Separation of gas mixture : Air : Distillation : Upstream operation : Flowline expansion engine : Spaced initial charging :)
Patent 5251452: Ambient air vaporizer and heater for cryogenic fluids
(REFRIGERATION : STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN) : Liquified gas transferred as liquid : With vaporizing of liquified gas downstream of storage : Distillation)
Patent 5251453: Low refrigerant charge detection especially for automotive air conditioning systems
(REFRIGERATION : WITH INDICATOR OR TESTER : Operatively correlated with automatic control : Dividing refrigerant flow, e.g., bypass parallel units)
Patent 5251454: Defrost control apparatus and method for a refrigerating system
(REFRIGERATION : AUTOMATIC CONTROL : Preventing, removing or handling atmospheric condensate : Defrosting : By temperature : Of cooling fluid)
Patent 5251455: Energy efficient insulation system for refrigerator/freezer
(REFRIGERATION : AUTOMATIC CONTROL : Refrigeration producer : Bypass, e.g., compressor unloading : Of expansion zone : Through an evaporator, i.e., parallel : Including sorbent refrigerant flow)
Patent 5251456: Multi-stage cold accumulation type refrigerator and cooling device including the same
(REFRIGERATION : STRUCTURAL INSTALLATION : With electrical component cooling : Spaced elongated air inlet and outlet type, e.g., air curtain)
Patent 5251457: Pressurized air distribution system
(REFRIGERATION : STRUCTURAL INSTALLATION : With body applicator : Spaced elongated air inlet and outlet type, e.g., air curtain)
Patent 5251458: Process and apparatus for reducing the air cooling and water removal requirements of deep-level mines
(REFRIGERATION : ATMOSPHERE AND SORBENT CONTACTING TYPE : System, i.e., multiple treating or fluid handling means)
Patent 5251459: Thermal expansion valve with internal by-pass and check valve
(REFRIGERATION : REVERSIBLE, I.E., HEAT PUMP : With clutch or variable speed transmission controlling compressor drive)
Patent 5251460: Cooler cover for beverage kegs
(REFRIGERATION : PORTABLE, COMMODITY-CONTAINING : Mold with means to absorb heat, e.g., brine tank)
Patent 5251461: Grille for packaged terminal air conditioner
(REFRIGERATION : GAS CONTROLLER OR DIRECTOR : Gas forcing means, e.g., cooler unit : Means directing gas over heat rejector : Gas flow passage means under ice container)
Patent 5251462: Knit run cam
(TEXTILES: KNITTING : INDEPENDENT-NEEDLE MACHINES : Straight : Needle-cam construction : Fluid pressure, electric or magnetic stitch selector control means)
Patent 5251463: Thread guide structure for circular knitting machine, in particular for line-forming units in double-cylinder machines for manufacturing socks
(TEXTILES: KNITTING : FEEDING : Alternately idled guides : With clamp or cutter : With additional strand)
Patent 5251464: Bicycle lock with storable reel cable
(LOCKS : PORTABLE : Padlocks : Combination-controlled : Flexible shackle : Pivoted)
Patent 5251465: Anti-theft device for automobiles
(LOCKS : SPECIAL APPLICATION : For control and machine elements : Handle, handwheel or knob : Rotary or swinging : Universal mounting)
Patent 5251466: Lock assembly for gear shifter
(LOCKS : SPECIAL APPLICATION : For automotive vehicles : Transmission : Selective-type shift rod, fork or block : Brake type)
Patent 5251467: Front-installed cam lock
(LOCKS : OPERATING MECHANISM : Key : Single key : Tumbler type : Cylinder type : Cylinder attaching or mounting means : Key only controlled)
Patent 5251468: Method of surface finishing orthopaedic implant devices using a bioactive blasting medium
(METAL DEFORMING : BY SHOT-BLASTING : To form longitudinally-seamed tube)
Patent 5251469: Calibration system
(MEASURING AND TESTING : INSTRUMENT PROVING OR CALIBRATING : Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic) : Reference standard detail : Valve)
Patent 5251470: Housing for fast exhaust gas sensors for a cylinder-selective lambda measurement in an internal combustion engine
(MEASURING AND TESTING : GAS ANALYSIS : Detector detail : Impurity)
Patent 5251471: Device to test the bellows of a stern drive motor for leakage
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : Internal gauging)
Patent 5251472: High pressure pipe sleeve for pressure testing of joint seals
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : Between fitted parts (e.g., joints) : Radiator)
Patent 5251473: Method and storage tank system for aboveground storage of flammable liquids
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : Receptacle : Tire valve)
Patent 5251474: Centrifuged material layer measurement in an evacuated tube
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Content or effect of a constituent of a liquid mixture : With detail of a pressure or a temperature regulating means)
Patent 5251475: Method and apparatus for determining contents of salt and water in water-in-oil type emulsified product
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Content or effect of a constituent of a liquid mixture : With detail of a pressure or a temperature regulating means)
Patent 5251476: Method for determining a coefficient of moisture expansion of a workpiece
(MEASURING AND TESTING : MOISTURE CONTENT OR ABSORPTION CHARACTERISTIC OF MATERIAL : Vibrator)
Patent 5251477: Self-diagnosis apparatus in a system for prevention of scattering of fuel evaporation gas
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : Testing auxiliary unit : With continuous operation)
Patent 5251478: Devices and means to suspend scaled flying crafts during test and training flights
(MEASURING AND TESTING : WIND TUNNEL: AERODYNAMIC WING AND PROPELLER STUDY : Tire inflation testing installation)
Patent 5251479: Downhole wellbore tool for measuring flow parameters
(MEASURING AND TESTING : BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) : Fluid flow measuring or fluid analysis : Rate of fluid flow : Downhole)
Patent 5251480: Frost-proof drive shaft for water meter
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Expansible chamber : Rotary piston or cylinder : With piston or rod actuated valve gear)
Patent 5251481: Direct-intake air measuring apparatus
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Thermal type : Having particular electrical heating, cooling, or thermal sensing element : Resistive element : With substrate carrier (e.g., thin film) : Selective or periodic sampling)
Patent 5251482: Low frequency acoustic fuel sensor
(MEASURING AND TESTING : LIQUID LEVEL OR DEPTH GAUGE : Vibratory type : Transparent closure plate type)
Patent 5251483: Piezoelectric sensor element intended for a gyro
(MEASURING AND TESTING : SPEED, VELOCITY, OR ACCELERATION : Angular rate using gyroscopic or Coriolis effect : Vibratory mass : Cantilever : Tuning fork : Crank operated)
Patent 5251484: Rotational accelerometer
(MEASURING AND TESTING : SPEED, VELOCITY, OR ACCELERATION : Acceleration determination utilizing inertial element : Angular acceleration : Centrifugal-type velocity sensor and separate inertial means)
Patent 5251485: Semiconductor accelerometer
(MEASURING AND TESTING : SPEED, VELOCITY, OR ACCELERATION : Acceleration determination utilizing inertial element : Specific type of electric sensor or specific type of magnetic sensor : Fluid or fluent material dampening of an inertial element)
Patent 5251486: Method of ultrasonic measurement of texture
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Velocity or propagation time measurement : Horizontal fulcrum)
Patent 5251487: Apparatus for acoustically coupling an ultrasonic transducer with a body
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Sonic wave transmitter or receiver transducer : Having significant coupling means : Plural sonic transmitters or receivers)
Patent 5251488: Multiphase volume and flow test instrument
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Of selected fluid mixture component : Electrical)
Patent 5251489: Fluid flow measuring device
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Unattached, self-contained probe with buoyancy controlled level of descent)
Patent 5251490: Ultrasonic fluid flow measurement method and apparatus
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : By measuring vibrations or acoustic energy : Reflection or scattering of acoustic waves : Vortex shedders)
Patent 5251491: Method of and apparatus for measuring a tension of grid element
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to force : To determine tension on a flexible element : By measuring vibrations (e.g., resonant frequency) : Using an electrical sensor)
Patent 5251492: Apparatus and method for measuring a tension force in a rope or cable
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to force : To determine tension on a flexible element : By measuring deflection or a deflecting force : Using an elastically deformable force measuring means : With pivoted deflecting member between spaced guides or supports : With noncontact coupling (e.g., rotary transformer))
Patent 5251493: Load cell for well tubulars or the like
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to force : By measuring a fluid pressure : Using a piston : Pneumatic)
Patent 5251494: Light-weight, direct fixing device for handlebar stem
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Variable output force : Handles : Handle bars : Engine starter type)
Patent 5251495: Minimum emission closed loop sampling system for transportable containers
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Conduit or passageway section capture chamber : Branched conduit)
Patent 5251496: Surface sampling tester
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Capture device : Integral with conveyor structure)
Patent 5251497: Test device for equipment in motion
(MEASURING AND TESTING : SIMULATED ENVIRONMENT (E.G., TEST CHAMBERS) : Capacity adjustable)
Patent 5251498: Device for measuring the physical state of an object
(MEASURING AND TESTING : INSPECTING : Capacity adjustable)
Patent 5251499: Intermediate gear type starter motor
(MACHINE ELEMENT OR MECHANISM : ENGINE STARTERS : Automatic : Reduction gearing : By motor torque)
Patent 5251500: Industrial robot with a compound drive mechanism
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Multiple controlling elements for single controlled element : Robotic arm : Including electric motor : Handle bar type)
Patent 5251501: Intermediate support device for screw shaft
(MACHINE ELEMENT OR MECHANISM : ROTARY DRIVEN DEVICE ADJUSTABLE DURING OPERATION RELATIVE TO ITS SUPPORTING STRUCTURE : Reciprocating or oscillating to or from alternating rotary : Including screw and nut : Means to selectively lock or retard screw or nut : Shaft and nut driven)
Patent 5251502: Sequential pivot pin multiplier
(MACHINE ELEMENT OR MECHANISM : ROTARY DRIVEN DEVICE ADJUSTABLE DURING OPERATION RELATIVE TO ITS SUPPORTING STRUCTURE : Reciprocating to reciprocating : Inclined ramp)
Patent 5251503: Electro-mechanical power controller for a gear shift mechanism
(MACHINE ELEMENT OR MECHANISM : GEARING : Interchangeably locked : Control mechanism : Cam operated : Torque responsive)
Patent 5251504: Automatic transmission
(MACHINE ELEMENT OR MECHANISM : GEARING : Interchangeably locked : Single forward and reverse speeds : Alternative clutch shaft : Single forward and reverse : Single key : Clutch and ratchet : Electrically operated)
Patent 5251505: Speed reducer with gears having parallel axes
(MACHINE ELEMENT OR MECHANISM : GEARING : Parallel shafts, adjustable gear mesh : Power steering)
Patent 5251506: Cover material for steering wheel of vehicle and manufacturing method thereof
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Variable output force : Handles : Hand wheels : Rim grips and covers : Releasable)
Patent 5251507: Non-circular gear pair
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Cams : Slot closers and lever guards)
Patent 5251508: Device for connecting a cycling shoe to the crank arm of a bicycle
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Cranks and pedals : Pedals : With toe or shoe clips : Rotating)
Patent 5251509: Adaptive pressure control for an automatic transmission
(PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS : FLUID DRIVE OR CONTROL OF PLANETARY GEARING : Fluid controlled mechanical clutch or brake : Pressure regulation : Responsive to torque reversal)
Patent 5251510: Ring gear fixture and machining process therefor
(TURNING : PROCESS OF TURNING :)
Patent 5251511: Tool head for use in machine tools
(TURNING : RADIALLY MOVING ROTATING TOOL INSIDE BORE :)
Patent 5251512: Dynamic shift control for an automatic transmission
(INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL : TRANSMISSION CONTROL : Transmission controlled by engine : By acceleration : Electric valve control)
Patent 5251513: Adaptive self-adjustment of automatic transmission to input torque change due to auxiliary device
(INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL : TRANSMISSION CONTROL : Transmission controlled by engine : By input manifold pressure or engine fuel control : Transmission pressure controlled : Line pressure controlled : Electric valve control : Electric valve control)
Patent 5251514: Method for forming mower blades
(METAL TOOLS AND IMPLEMENTS, MAKING : BLANK OR PROCESS : Cutlery : Cutter and guide)
Patent 5251515: Break-out device for studs
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Stud-removal and implacement : Globe manipulator)
Patent 5251516: Tool for extracting broken bolts and the like
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Stud-removal and implacement : Globe manipulator)
Patent 5251517: Harmonica construction
(MUSIC : INSTRUMENTS : Wind : Minor reed : Harmonicas : Shift mechanisms)
Patent 5251518: Pipe wrench
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Pivoted inner jaw : Pin fulcrum : Nontraveling jaw : Spring-pressed : Two jaw pairs connected by latch)
Patent 5251519: T-handle wrench kit
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Handle or shank : Extensible handle or handle extension : With yieldable one-way detent)
Patent 5251520: Wrench for hexagonal regular nuts and locknuts
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver) : One-way detent drive, e.g., ratchet)
Patent 5251521: TORX-compatible elliptical driver
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver) : Inserted portion having plural, noncollinear blades (e.g., Phillips) : Having member with work underlying portion)
Patent 5251522: Protective apparatus preventing lathe tool from breaking
(TURNING : LATHE : Carriage feed : Control : Electrical type : Including clutch control for work rotation)
Patent 5251523: Extruded plastic cutting assembly and machine
(CUTTING : WITH PRODUCT HANDLING MEANS : By fluid current : In stacked or packed relation)
Patent 5251524: Convertible siding cutter
(CUTTING : INTERRELATED TOOL ACTUATING MEANS AND MEANS TO ACTUATE WORK IMMOBILIZER : Work clamp : Clamp moved by direct impact of tool or tool support : With means to control clamping force)
Patent 5251525: Conversion kit for portable bandsaw
(CUTTING : MEANS TO DRIVE OR TO GUIDE TOOL : Convertible from tool path to another or from implement to machine : Continuously moving drive means (e.g., "gag"))
Patent 5251526: Rotating electrical stringed instrument
(MUSIC : INSTRUMENTS : Stringed : Combined : Plectrum)
Patent 5251527: Guitar slide
(MUSIC : INSTRUMENTS : Stringed : Details : Fingering devices : Stopping fingers or blocks : Capo tastos)
Patent 5251528: Spring tension adjusting apparatus for high-hat stand
(MUSIC : INSTRUMENTS : Drum and cymbal beaters : Hi-hat : Inside)
Patent 5251529: Solenoid mounting system for a keyboard instrument
(MUSIC : INSTRUMENTS : Drum and cymbal beaters : Keyboards : Inside)
Patent 5251530: Method for assembling a hollow-charge projectile
(AMMUNITION AND EXPLOSIVE-CHARGE MAKING : LOADING FIREWORKS AND BURSTING CHARGES : Placing bursting charge in projectile : Primer, primer anvil, percussion cap making)
Patent 5251531: Method and apparatus to prepare monobasic propellant charge powders with alcohol and ether as solvents
(AMMUNITION AND EXPLOSIVE-CHARGE MAKING : LOADING FIREWORKS AND BURSTING CHARGES : Implements : Primer, primer anvil, percussion cap making)
Patent 5251532: Cartridge clip for setting tool
(ORDNANCE : EXPLOSIVE OPERATED APPARATUS (E.G., EXPLOSIVE DOOR HINGE, TOOL EXPLOSIVELY ACTUATED, BAND RELEASE, EXPANSION OF TUBE, CABLE CUTTER, EXPLOSIVELY OPERATED SPLITTING WEDGES) : Rammers)
Patent 5251533: Firing mode selection apparatus
(ORDNANCE : AUTOMATIC : Firing device operation or control (e.g., full automatic, etc.) : Semi-automatic (e.g., double sear, etc.) : Convertible to full automatic : With selective safety device :)
Patent 5251534: Input apparatus
(MOTORS: EXPANSIBLE CHAMBER TYPE : WITH SIGNAL, INDICATOR OR INSPECTION MEANS :)
Patent 5251535: Process for controlling an actuator which can be adjusted by means of a proportional valve
(MOTORS: EXPANSIBLE CHAMBER TYPE : MISCELLANEOUS (E.G., METHODS) : Unitary inlet and exhaust valve for single working chamber)
Patent 5251536: Axial piston pump with off-center pivot
(MOTORS: EXPANSIBLE CHAMBER TYPE : THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS : Cylinders parallel to rotation axis : Stroke control : By varying reaction plate inclination relative to cylinder axes : Motor operated :)
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