Patents 5297400 - 5297653

 

 

Patent 5297400: Liquid dispensing assembly for a refrigerator
(REFRIGERATION : WITHDRAWABLE LIQUID, E.G., DISPENSER : Means dispersing sublimed gas into cooled enclosure)

Patent 5297401: Ice maker reservoir apparatus
(REFRIGERATION : MEANS PRODUCING SHAPED OR MODIFIED CONGEALED PRODUCT : Liquid container or flow line within cooled enclosure)

Patent 5297402: Warp knitted fabric and process and machine therefor
(TEXTILES: KNITTING : INDEPENDENT-NEEDLE MACHINES : Straight : Warp : Warp)

Patent 5297403: Rotatable wash basket for an automatic washer
(TEXTILES: FLUID TREATING APPARATUS : MACHINES : Combined : With liquid extractor : Centrifugal extractor (e.g., centrifuge) : With means to control or isolate vibration : Vertical axis centrifuge :)

Patent 5297404: Bolt for an inner cylinder lock
(LOCKS : ATTACK-ACTUATED DEFEATING MECHANISMS :)

Patent 5297405: Door handle assembly with snap-in key cylinder
(LOCKS : SPECIAL APPLICATION : For control and machine elements : Handle, handwheel or knob : Retractable or flush handle : Universal mounting)

Patent 5297406: Lock device for a steering wheel of an automobile
(LOCKS : SPECIAL APPLICATION : For control and machine elements : Handle, handwheel or knob : Rotary or swinging : Universal mounting)

Patent 5297407: Trailer locking apparatus
(LOCKS : SPECIAL APPLICATION : For control and machine elements : Bolt, nut, stud, stud-cap : Encased : Brake type)

Patent 5297408: Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill
(METAL DEFORMING : WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR : Metal deforming by use of roller or roller-like tool element : Sensing work or product (e.g., by X-ray) : Sensing cross sectional dimension : With deforming of work by sensor)

Patent 5297409: Workhardening high-strength steel aircraft components
(METAL DEFORMING : WITH CLEANING, DESCALING, OR LUBRICATION OF WORK OR PRODUCT : Lubricating : With particular lubricant : By sensing hydraulic pressure)

Patent 5297410: Method of manufacturing a multiple-walled tube
(METAL DEFORMING : WITH "COATING" OF WORK : Metal coating : With means to apply lubricant)

Patent 5297411: Method of forming threaded opening
(METAL DEFORMING : BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL) : With cutting of work or product : Utilizing diaphragm between fluid and work)

Patent 5297412: Wire working tool and holder
(METAL DEFORMING : BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) : To form helical coil or tube : By interchangeable or selectable tool portion : Including non-cylindrical core)

Patent 5297413: Load adjusting machine for magnetic disk drive head gimbal assemblies
(METAL DEFORMING : WITH TEMPERATURE MODIFICATION OF TOOL OR OF SPECIFIED PORTION OF WORK : Machining between plural metal-deforming operations)

Patent 5297414: Method for necking containers
(METAL DEFORMING : BY USE OF CLOSED-DIE AND COACTING WORK-FORCER (E.G., PUSH-DRAWING) : Forcing work into or within closed die; e.g., forging : By two or more coacting tools movable relative to closed die; e.g., tool complex : One tool telescoping into closed die : With tools converging to form annular surface; e.g., segments of closed die)

Patent 5297415: Method for forming tubing into curved, unbalanced and non-uniform shapes
(METAL DEFORMING : PROCESS : Tube making or reshaping : Bending : With telescoping engagement)

Patent 5297416: Method of producing an ellipsoid form from an expanded metal net
(METAL DEFORMING : PROCESS : Deforming sheet metal : Container making : Opposed tool faces)

Patent 5297417: Portable collet crimping apparatus
(METAL DEFORMING : BY THREE OR MORE COACTING RELATIVELY MOVABLE TOOLS (I.E., TOOL-COMPLEX) : Concurrently actuated tools : All tools movable radially inward : Between generally opposed-stroke tools)

Patent 5297418: Gage for measuring the intensity of shot-blast peening
(MEASURING AND TESTING : TESTING IMPACT DELIVERING DEVICE (E.G., A HAMMER) : Shot peener : Reference standard detail)

Patent 5297419: Linearizing gas analyzer
(MEASURING AND TESTING : GAS ANALYSIS : By thermal property : Thermoconductivity : Solid content)

Patent 5297420: Apparatus and method for measuring relative permeability and capillary pressure of porous rock
(MEASURING AND TESTING : WITH FLUID PRESSURE : Porosity or permeability : Internal gauging)

Patent 5297421: Leak detection system for gas, steam or the like that involves multi-point sampling
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : Internal gauging)

Patent 5297422: Tracer-gas leak detector
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : By probe gas, vapor, or powder : Using acoustic detectors)

Patent 5297423: Storage tank and line leakage detection and inventory reconciliation method
(MEASURING AND TESTING : WITH FLUID PRESSURE : Leakage : Receptacle : Tire valve)

Patent 5297424: Telemetry system for tire pressure and temperature sensing
(MEASURING AND TESTING : TIRE, TREAD OR ROADWAY : Tire inflation testing installation : By direct fluid pressure reading : Telemetric (e.g., indicator on cowl) : Electric : Cantilever)

Patent 5297425: Electromagnetic borehole flowmeter system
(MEASURING AND TESTING : BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) : Fluid flow measuring or fluid analysis : With detail of a borehole wall engaging means)

Patent 5297426: Hydrodynamic fluid divider for fluid measuring devices
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Proportional : With connection or box)

Patent 5297427: Wide-range laminar flowmeter
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Proportional : With valved proportioning means : Vibrated conduit)

Patent 5297428: Salt level monitoring device
(MEASURING AND TESTING : LIQUID LEVEL OR DEPTH GAUGE : Element)

Patent 5297429: Sanitary sight indicator
(MEASURING AND TESTING : LIQUID LEVEL OR DEPTH GAUGE : Sight glass : Float structure)

Patent 5297430: Thin disk force sensor and method of making
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to multiple loads or load components : Along or about mutually orthogonal axes : Three dimensional (e.g., x, y, z axes) : Tear)

Patent 5297431: Automated sample dilution
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Capture device : Pipette or cannula : With pipette contacting second fluid supply : Piston and cylinder)

Patent 5297432: Vacuum dilution extraction gas sampling method
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Capture device : Sample meter or pump : Cyclically operated scoop)

Patent 5297433: Expansion-chamber/vial sparger vessel
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Analyzer supplier : Connector for separable holder : Connector for separable holder)

Patent 5297434: Method of and apparatus for measuring workpieces
(MEASURING AND TESTING : INSPECTING : Capacity adjustable)

Patent 5297435: Residual stress measurement at fastener holes
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Velocity or propagation time measurement : Horizontal fulcrum)

Patent 5297436: Optical fibre ultrasonic sensor
(MEASURING AND TESTING : VIBRATION : Sensing apparatus : With light beam indicator : By frequency or phase shift : Current generating or modifying)

Patent 5297437: Device for manometric measurement of the esophagus
(MEASURING AND TESTING : FLUID PRESSURE GAUGE : Photoelectric : Vibrating strip or wire)

Patent 5297438: Piezoresistive sensor
(MEASURING AND TESTING : FLUID PRESSURE GAUGE : Diaphragm : With electrical readout : Resistive : Strain gauge : Piezoresistive : Piezoresistive)

Patent 5297439: Magnetoelastic stress sensor
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : Specified electrical sensor or system : Specified sensor structure : Magnetic or inductive : Sensor comprises coating)

Patent 5297440: Method and apparatus for testing the bending characteristics of surgical needles
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : By loading of specimen (e.g., strength of material test) : Bending, flexing, or folding : To failure)

Patent 5297441: Apparatus for supporting a test specimen for compression testing
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : Specimen clamp, holder, or support : Opposed pair : By angular displacement of opposite ends of specimen)

Patent 5297442: Method to determine liquid flow rate for manifold feed nozzles
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Unattached, self-contained probe with buoyancy controlled level of descent)

Patent 5297443: Flexible positioning appendage
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Multiple controlling elements for single controlled element : Robotic arm : Including flaccid drive element : Handle bar type)

Patent 5297444: Toggle assembly
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Variable output force : Levers : Toggle : Antenna)

Patent 5297445: Structure of handle of bicycle
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Variable output force : Handles : Handle bars : Folding or adjustable : Holders)

Patent 5297446: Switch calibration mechanism
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Cams : Follower : Timer devices)

Patent 5297447: Steering axle for vehicles, particularly for agricultural tractors
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Gear casings : Axle and torque tubes : Vibration dampers)

Patent 5297448: Crank mechanism
(MACHINE ELEMENT OR MECHANISM : ROTARY DRIVEN DEVICE ADJUSTABLE DURING OPERATION RELATIVE TO ITS SUPPORTING STRUCTURE : Rotary to or from reciprocating or oscillating : Cam and slide : Slidable connections (e.g., scotch yoke))

Patent 5297449: Transmission device
(MACHINE ELEMENT OR MECHANISM : MECHANICAL MOVEMENTS (INTERMITTENT GRIP TYPE) : Oscillation or reciprocation to intermittent unidirectional motion : Slide actuator : Rotary cam drive)

Patent 5297450: Positive variable drive transmsission
(MACHINE ELEMENT OR MECHANISM : GEARING : Interchangeably locked : Combined gear and clutch : On single driving member)

Patent 5297451: Cam tooth starter pinion
(MACHINE ELEMENT OR MECHANISM : GEARING : Teeth : Spur : Form : Detachable)

Patent 5297452: Transmission unit for a motor vehicle having two powered axles
(MACHINE ELEMENT OR MECHANISM : GEARING : Lubrication : Spur)

Patent 5297453: Snap ring actuated single shaft shifting mechanism
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Multiple controlled elements : Transmission control : Restriction of shift, gear selection, or gear engagement : Shift element interlock : Roller)

Patent 5297454: Indexing device of machine tool
(MACHINE ELEMENT OR MECHANISM : ROTARY MEMBER OR SHAFT INDEXING, E.G., TOOL OR WORK TURRET : Preselected indexed position : Worm or screw)

Patent 5297455: Saw blade clamping device for saw finishing machines
(METAL TOOLS AND IMPLEMENTS, MAKING : SAW-MAKING OR FURBISHING DEVICE OR MACHINE : Clamp : Vice : Idle)

Patent 5297456: Cutting tool with twisted edge and manufacturing method thereof
(METAL TOOLS AND IMPLEMENTS, MAKING : BLANK OR PROCESS : Drill : Twist drill : Disk)

Patent 5297457: Multiple blade set strip apparatus for cable and wire
(TOOLS : WIRE STRIPPER : Bench tools : With lateral projection or abutment)

Patent 5297458: Torque wrench
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Rigid jaws : Enclosed (e.g., socket) : Through socket and perpendicular handle : Dust protectors)

Patent 5297459: Ratcheting adjustable wrench
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Slidable jaw adjustments : Thread : Sliding side jaw : Traveling screw, shank rack)

Patent 5297460: Vibration dampening device
(TURNING : LATHE : Work rest : With noise or vibration dampener : Indexible (e.g., roll type, etc.))

Patent 5297461: Rotary shear
(CUTTING : CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK : With means to render cutter pass(es) ineffective : With slitter)

Patent 5297462: Slotter wheel mechanism having dynamically retractable slotter blades
(CUTTING : CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK : With means to render cutter pass(es) ineffective : With means to produce "mis-cut" : By orbitally traveling trigger pin(s))

Patent 5297463: Adjustable fence for compound miter saw
(CUTTING : WITH WORK IMMOBILIZER : Work-stop abutment : Normal to plane of cut : Adjustable : Angularly relative to plane of cut; e.g., miter : By rotation about an axis perpendicular to the work-support surface)

Patent 5297464: Rotary shears
(CUTTING : ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER : Tool pair comprises rotatable tools : Tool pair axially shiftable : With shifting mechanism for at least one element of tool pair : And means to rotate tool)

Patent 5297466: Tone hole pad and process for magnetically seating same
(MUSIC : INSTRUMENTS : Wind : Wood winds : Saxophones : Pads : Reeds)

Patent 5297467: Beater amplitude adjustment mechanism for a drum pedal
(MUSIC : INSTRUMENTS : Drum and cymbal beaters : Practice Pads)

Patent 5297468: Railgun with advanced rail and barrel design
(ORDNANCE : ACCELERATING : Explosive charge)

Patent 5297469: Linear fluid power actuator assembly
(MOTORS: EXPANSIBLE CHAMBER TYPE : CYCLICALLY OPERABLE : Working member controlled motive fluid for distributor motor : Working member traverses pilot port in working chamber side wall : Port controls separate motor for intermediate pilot valve : Axially seating valves)

Patent 5297470: Pneumatic rotary drive
(EXPANSIBLE CHAMBER DEVICES : WITH CUSHIONING MEANS EFFECTIVE OVER A PORTION ONLY OF STROKE : Means separates gas from liquid)

Patent 5297471: Housing for a pneumatic power booster and process for its manufacture
(EXPANSIBLE CHAMBER DEVICES : COLLAPSIBLE CHAMBER WALL PORTION (E.G., HINGED OR FLEXIBLE WALL) : Wall portion formed of flexible material : Diaphragm type : Entire periphery secured to rigid working chamber forming wall : Shaft extends transversely through working members)

Patent 5297472: Beverage extraction device
(FOODS AND BEVERAGES: APPARATUS : BEVERAGE : Infusors : With infusive material feeding and/or discharging : Tape : And infusive contact)

Patent 5297473: Pressure cooker
(FOODS AND BEVERAGES: APPARATUS : COOKING : Intercontrol or safety control : Of material)

Patent 5297474: Oil-overflow alarming system in frying apparatus
(FOODS AND BEVERAGES: APPARATUS : COOKING : With signal, indicator or tester : Alarm : By time)

Patent 5297475: Multi-purpose kitchen apparatus for processing foods
(FOODS AND BEVERAGES: APPARATUS : COOKING : With stirring : Condensing or self basting)

Patent 5297476: Health guard fat skimmer
(FOODS AND BEVERAGES: APPARATUS : MEANS TO TREAT FOOD : By isolating a fluid constituent : By safety means)

Patent 5297477: Educational egg art toy
(FOODS AND BEVERAGES: APPARATUS : MEANS TO TREAT FOOD : By isolating a fluid constituent : By safety means)

Patent 5297478: Method of operating a press
(PRESSES : METHODS : Binder retaining material holders)

Patent 5297479: Oil filter crusher apparatus
(PRESSES : AUTOMATIC OR MATERIAL TRIGGERED CONTROL : Of actuating means : Plastic band)

Patent 5297480: High vacuum hot press
(PRESSES : WITH ADDITIONAL TREATMENT OF MATERIAL : Separating materials (vacuumizing here) : Within group of three or more rolls)

Patent 5297481: System for compacting and storing separately recyclable and nonrecyclable waste materials
(PRESSES : PLURAL PRESSES : Plunger and casing type)

Patent 5297482: Rail threader
(RAILWAYS : TRACK LAYERS : Track raising car : With means to transversely shift track (i.e., aligning) :)

Patent 5297483: Work conveyor
(RAILWAYS : SELECTIVE DELIVERY : Electrical control : Traveling)

Patent 5297484: Vehicle guidance track system
(RAILWAY ROLLING STOCK : TRAINS : Toy or model train :)

Patent 5297485: Pallet having adjustable load locator posts
(HORIZONTALLY SUPPORTED PLANAR SURFACES : INDUSTRIAL PLATFORM : With load-confining means : Tiering)

Patent 5297486: Bracket and shelf
(HORIZONTALLY SUPPORTED PLANAR SURFACES : PLURAL RELATED HORIZONTAL SURFACES : Vertically adjustable : Removably mountable in plural positions : Cantilever support : Responsive to end section movement)

Patent 5297487: Ink containment apparatus for screen printing frame assemblies
(PRINTING : STENCILING : Stencils : Endless band)

Patent 5297488: Apparatus for selective random printing of fixed data
(PRINTING : MULTICOLOR : Rotary machines : Web : Interrupter : Multiple couple)

Patent 5297489: Apparatus for clamping and placement of a doctor blade bar against an ink-dispensing roller
(PRINTING : INKERS : Roller : Rotary machine : Having fountain to supply ink to roller : Having plural doctor means : Circulating roller)

Patent 5297490: Apparatus for placement of a doctor blade bar against an ink-dispensing roller
(PRINTING : INKERS : Fountains : Multiple-point control : Interrupter)

Patent 5297491: Casing bottom for a propelling charge casing
(AMMUNITION AND EXPLOSIVES : CARTRIDGES : Case : Breech end structure : Plastic cases)

Patent 5297492: Armor piercing fin-stabilized discarding sabot tracer projectile
(AMMUNITION AND EXPLOSIVES : PROJECTILES : Composite : Sabot or carrier : Subcaliber : With expanding member)

Patent 5297493: Burn pot for particulate combustors
(FURNACES : COMBINED : Means for pulverizing solid fuel)

Patent 5297494: Incinerator for burning waste
(FURNACES : COMBINED : With boiler : Coking means)

Patent 5297495: Process of incinerating waste materials
(FURNACES : PROCESS : Incinerating refuse : Combustion product)

Patent 5297496: Process for the combined treatment of waste materials
(FURNACES : PROCESS : Incinerating refuse : Combustion product)

Patent 5297497: Scraper attachment for depth gauge wheel on seed planter
(PLANTING : MISCELLANEOUS : Dibbles)

Patent 5297498: Device for connecting containers
(SHIPS : BUILDING : Freighters : Bulk cargo : Antishifting devices : Double hull or insulated tank)

Patent 5297499: Cleat for securing a boat to a docking structure
(SHIPS : BITTS, CLEATS, AND PIN RAILS : Couplers)

Patent 5297500: Apparatus for assisting in parking vehicles in a vehicle shelter
(SIGNALS AND INDICATORS : VEHICLE : Submarine)

Patent 5297501: Intense noise generator
(SIGNALS AND INDICATORS : HORNS, WHISTLES AND COMPRESSIONAL WAVE GENERATORS : Supersonic wave generators : Fluid pressure operated)

Patent 5297502: Modular reversible-flow-past nasopulmonary respiratory dosing system for laboratory animals
(ANIMAL HUSBANDRY : CONFINING OR HOUSING : For experimental purposes : With gaseous medium treatment (e.g., inhalation chamber, etc.) : Utilizing air filtration device)

Patent 5297503: Bird feeder protector
(ANIMAL HUSBANDRY : FEEDING DEVICE : Having a perch : And feature for excluding undesirable animal : Feed dispensing hopper portion or attachment moves relative to stationary underlying trough)

Patent 5297504: Pet water saver
(ANIMAL HUSBANDRY : FEEDING DEVICE : Dish or bowl type : Anti-tip or spill : Expandable feed opening(s))

Patent 5297505: Internal combustion engine valve actuator
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : Cam-to-valve relationship : Antireverse protection)

Patent 5297506: Valve operating system for an internal combustion engine
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : Cam-to-valve relationship : Antireverse protection)

Patent 5297507: Internal combustion engine having variable event timing
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : Camshaft or cam characteristics : Antireverse protection)

Patent 5297508: Variable camshaft drive system for internal combustion engine
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : Camshaft or cam characteristics : Antireverse protection)

Patent 5297509: Rocker arm assembly
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : Rocker : Housings)

Patent 5297510: Volume ignition system
(INTERNAL-COMBUSTION ENGINES : IGNITERS : Sparkers : Make and break : Reciprocating electrode : Hoods and shields)

Patent 5297511: Lubricating system for engine
(INTERNAL-COMBUSTION ENGINES : LUBRICATORS : Horizontal cylinder)

Patent 5297512: Vibrating and ultrasonic sound emitting grooming device apparatus and method
(ANIMAL HUSBANDRY : GROOMING : With means to supply treatment material to the animal; e.g., antivermin treatment, flame, attractant : Movable trough-controlled supply)

Patent 5297513: Breeding tank assembly for fish larvae
(ANIMAL HUSBANDRY : AQUATIC ANIMAL CULTURING : Aquarium : Tank within tank : Breeder type : With feeding)

Patent 5297514: Safety lock for an adjustable pet collar
(ANIMAL HUSBANDRY : BODY- OR APPENDAGE-ENCIRCLING COLLAR OR BAND (E.G., NECK, COLLAR, LEG BAND, ETC.) : Having particular buckle, length-fixing, or end-joining means : Pricker or spur element)

Patent 5297515: Fuel supply systems for engines and combustion processes therefor
(INTERNAL-COMBUSTION ENGINES : COMBINED DEVICES : Generating plants :)

Patent 5297516: Valve actuating apparatus
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : Cam-to-valve relationship : Antireverse protection)

Patent 5297517: Noise suppression enclosure for an engine
(INTERNAL-COMBUSTION ENGINES : ACCESSORIES : Cylinder cut out : For spring)

Patent 5297518: Mass controlled compression timed ignition method and igniter
(INTERNAL-COMBUSTION ENGINES : PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES : With ignition means particularly positioned relative to precombustion and main combustion chambers : Interengaging rotors)

Patent 5297519: Method and apparatus for direct fuel injection in an internal combustion engine
(INTERNAL-COMBUSTION ENGINES : COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY : Injection of fuel onto igniter, deflector, heater, or atomizer : Having multiple passages)

Patent 5297520: Fuel supply system with high turn down ratio
(INTERNAL-COMBUSTION ENGINES : COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY : Using multiple injectors or injections : Having multiple passages)

Patent 5297521: Throttle valve controller for internal combustion engine
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Open loop condition responsive : Resistance or override acts on input connection to regulator : Responsive to exhaust gas)

Patent 5297522: Throttle valve
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Open loop condition responsive : Having an electrical device between input and speed regulator : Throttle position lock)

Patent 5297523: Tuned actuating fluid inlet manifold for a hydraulically-actuated fuel injection system
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Fuel injection system : Fuel pump flow regulation : Nonsequential distributor : Common rail system : Memory addressed by engine speed or load)

Patent 5297524: Arrangement for a fuel line in an internal combustion engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Fuel injection system : Having a specific shape, material, or location of fuel line : Regulating means adjusts fuel pressure)

Patent 5297525: Method for determining the quantity of fuel injected
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Fuel injection system : Electrically actuated injector : Actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve) : Acceleration or full load condition responsive : Memory addressed by engine speed or load)

Patent 5297526: Glow-plug engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Fuel flow regulation between the pump and the charge-forming device : Specific location or mounting of pump)

Patent 5297527: Diagnosing apparatus of evaporation fuel control system of vehicle
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Having fuel vapor recovery and storage system : Having an adsorbent canister : Purge valve controlled by engine parameter : Having specific transducer)

Patent 5297528: Evaporation fuel control apparatus for engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Having fuel vapor recovery and storage system : Carburetor float bowl drain)

Patent 5297529: Positive pressure canister purge system integrity confirmation
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Having fuel vapor recovery and storage system : Having an adsorbent canister : Purge valve controlled by engine parameter : Having specific transducer)

Patent 5297530: Heating device for injected fuel for internal combustion engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Heating of combustible mixture : Electric heater : Purge valve controlled by engine parameter)

Patent 5297531: Fuel supplying device for internal combustion gasoline engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Heating of combustible mixture : Electric heater : Purge valve controlled by engine parameter)

Patent 5297532: Supercharging pressure control system for supercharged internal combustion engines
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Supercharger : Boost control : Fuel is heated to ignition temperature)

Patent 5297533: Light holder and stabilizer attachment for bow
(MECHANICAL GUNS AND PROJECTORS : ELEMENT : For archery projector : Bow handle or attachment thereto : Fluid projectile feed)

Patent 5297534: Barbecue grill apparatus
(STOVES AND FURNACES : HOT-AIR FURNACES : Cooking : Summer : Field : Supporting frame : Air heaters)

Patent 5297535: Ignition device for water heaters
(COMBUSTION : TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL : Sensor of first burner controls second burner, e.g., pilot and main, etc. : With electrical igniter : Igniter deenergization responsive to first burner ignition :)

Patent 5297536: Method for use in intra-abdominal surgery
(SURGERY : ENDOSCOPE : With tool carried on endoscope or auxillary channel therefore : Implanted)

Patent 5297537: Disposable liquid supply kit for use in an endoscope
(SURGERY : ENDOSCOPE : Having auxiliary channel : Fluid channel (e.g., suction, irrigation, aspiration) : With air or water supply means : Body pierced by tubular cutter or rod-type punch)

Patent 5297538: Surgical retractor/compressor
(SURGERY : SPECULA : Retractor : Having flexible, malleable or shape memory material : Otoscope (e.g., funnel shaped specula))

Patent 5297539: Therapeutic device for chiropractic diagnosis and treatment
(SURGERY: KINESITHERAPY : KINESITHERAPY : Exercising appliance : Chair, couch, bed, or table : With drive means : Electrical application)

Patent 5297540: Continuous passive motion orthosis device for a toe
(SURGERY: KINESITHERAPY : KINESITHERAPY : Exercising appliance : Foot : With drive means)

Patent 5297541: Athletic therapeutic glove
(SURGERY: KINESITHERAPY : KINESITHERAPY : Exercising appliance : Hand and finger : Leg)

Patent 5297542: Aerosol dispensing device
(SURGERY : LIQUID MEDICAMENT ATOMIZER OR SPRAYER : Plural orifice means passing gas into liquid)

Patent 5297543: Medication inhaler mixer
(SURGERY : LIQUID MEDICAMENT ATOMIZER OR SPRAYER : Pre-pressurized container holding medicament : Gas flow induced by expansion chamber device (e.g., piston/cylinder ram, squeeze bulb, etc.))

Patent 5297544: Respirator with inner half mask and pollutant indicator
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for indicating improper condition of apparatus : Garment)

Patent 5297545: Underwater breathing device
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for supplying respiratory gas under positive pressure : Substance removed from respiratory gas by cooling)

Patent 5297546: Transtracheal catheter system and method
(SURGERY : RESPIRATORY METHOD OR DEVICE : Respiratory gas supply means enters mouth or tracheotomy incision : Covering nose only)

Patent 5297547: Laryngeal mask construction
(SURGERY : RESPIRATORY METHOD OR DEVICE : Respiratory gas supply means enters mouth or tracheotomy incision : Breathing passage occluder : Valve for controlling gas flow)

Patent 5297548: Arterial blood monitoring probe
(SURGERY : DIAGNOSTIC TESTING : Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test : Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom :)

Patent 5297549: Endocardial mapping system
(SURGERY : DIAGNOSTIC TESTING : Structure of body-contacting electrode or electrode inserted in body : Electrode placed in body : Electrode placed in or on heart : pH)

Patent 5297550: Background darkening of magnetic resonance angiographic images
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Magnetic resonance imaging or spectroscopy : Of fluid flow : Having release sheet)

Patent 5297551: Weighted ray projection imaging for MR angiography
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Magnetic resonance imaging or spectroscopy : Disposable or sterilizable eye contacting structure)

Patent 5297552: Process for measuring the position of at least one mobile interface using ultrasound and apparatus for carrying out said process
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : One-dimensional anatomic display or measurement : Cardiographic : Hand-held unit)

Patent 5297553: Ultrasound transducer with improved rigid backing
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Structure of transducer or probe assembly : Blood flow studies)

Patent 5297554: Device for use in real-time monitoring of human or animal bodily function
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Visible light radiation : With comparison means (e.g., ratio of or comparison to a standard))

Patent 5297555: Multichannel spectrometer
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Visible light radiation : With comparison means (e.g., ratio of or comparison to a standard))

Patent 5297556: Method of detecting atherosclerosis while excluding motion artifacts
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Visible light radiation)

Patent 5297557: Stress test system with bidirectional filter
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Heart : Detecting heartbeat electric signal : Detecting signal repetition rate : Detecting means associated with exercise machine : Repeating pressurization cycle)

Patent 5297558: Algorithm for prescribing an exercise regimen to enhance fat burning and cardiovascular fitness
(SURGERY : DIAGNOSTIC TESTING : Respiratory : Qualitative or quantitative analysis of breath component : Detecting heart sound)

Patent 5297559: Apparatus for testing color vision
(SURGERY : DIAGNOSTIC TESTING : Eye or testing by visual stimulus : Locating acupuncture points)

Patent 5297560: Method of protected bronchial sampling using a translaryngoscopic catheter
(SURGERY : DIAGNOSTIC TESTING : Sampling nonliquid body material (e.g., bone, muscle tissue, epithelial cells, etc.) : Brushing : Motorized)

Patent 5297561: Blood collection tube assembly
(SURGERY : DIAGNOSTIC TESTING : Liquid collection : Manually supported collector with rigid intake tube (e.g., a hollow needle, etc.) : Penetrable seal in liquid flow path to collection reservoir : Body pierced by tubular cutter or rod-type punch)

Patent 5297562: Method for detecting and treating Alzheimer's disease
(SURGERY : MISCELLANEOUS : Methods : Holding strap extending circumferentially of head or neck)

Patent 5297563: Guided bone and tissue generation device and method to be used during or after dental surgery or jaw surgery
(SURGERY : MISCELLANEOUS : Methods : Holding strap extending circumferentially of head or neck)

Patent 5297564: Catheter technique for creation of an aortico-pulmonary shunt
(SURGERY : MISCELLANEOUS : Methods : Holding strap extending circumferentially of head or neck)

Patent 5297565: Bristle for hair stimulator
(TOILET : HAIR DEVICE : Comb : With orifice for applying fluent material : In tubular tooth : At tooth tip : In aperture through tooth)

Patent 5297566: Method and device for increasing the volume of a head of hair
(TOILET : METHODS : Hair treatment by application of specific chemical composition : For deformation, setting or holding (e.g., curling or waving) :)

Patent 5297567: Hair curling roller apparatus
(TOILET : HAIR DEVICE : Having hair shaping surface or form (e.g., crimper or curler) : Having winding form or mandrel (e.g., curler) : With heater, fluid supply, or surrounding fluid housing : Back sliding along back)

Patent 5297568: Process and apparatus for treatment of board-like articles
(CLEANING AND LIQUID CONTACT WITH SOLIDS : : Sequential work treating receptacles or stations with means to transfer work or fluid-applying devices : With initial work emptying, inverting, orienting or puncturing means : With door latch control feature)

Patent 5297569: Method and apparatus for maintenance of wheel bearings
(CLEANING AND LIQUID CONTACT WITH SOLIDS : : With means to movably mount or movably support the work or work support : Interconnected tank closure and other movable element : Fluid motor or turbine)

Patent 5297570: Golf bag umbrella
(TENT, CANOPY, UMBRELLA, OR CANE : UMBRELLA : Combined : Connector)

Patent 5297571: Two button safety umbrella
(TENT, CANOPY, UMBRELLA, OR CANE : UMBRELLA : Self-opening and closing : Handle release : For ropelike structure)

Patent 5297572: Improved frames of a folded umbrella
(TENT, CANOPY, UMBRELLA, OR CANE : UMBRELLA : Collapsible in length : Including three segment rib : For ropelike structure)

Patent 5297573: Overspeed safety device
(FLUID HANDLING : SPEED RESPONSIVE VALVE CONTROL : Centrifugal mass type (exclusive of liquid) : Excess speed responsive : Float valve)

Patent 5297574: Fuel dispensing hose breakaway assembly
(FLUID HANDLING : DESTRUCTIBLE OR DEFORMABLE ELEMENT CONTROLLED : Destructible element : Separable valve coupling or conduit : Tensile or sheer pin or bolt : Particular aperture forming means)

Patent 5297575: In-line high pressure fluid release valve
(FLUID HANDLING : DESTRUCTIBLE OR DEFORMABLE ELEMENT CONTROLLED : Destructible element : Frangible element returns pressure responsive valve : Knife or cutter causes disc to break)

Patent 5297576: Oral inflation and relief tube
(FLUID HANDLING : INFLATABLE ARTICLE (E.G., TIRE FILLING CHUCK AND/OR STEM) : With pressure-responsive pressure-control means : Co-axial inflation and relief valves : With co-acting valve in liquid flow path)

Patent 5297577: Culvert of vacuum sewerage
(FLUID HANDLING : DISTRIBUTION SYSTEMS INVOLVING GEOGRAPHIC FEATURES : Removable valve head and seat unit (valve insides))

Patent 5297578: Automatic shutoff valve
(FLUID HANDLING : LINE CONDITION CHANGE RESPONSIVE VALVES : With separate connected fluid reactor surface : Valve seating in direction of flow : Flexible diaphragm or bellows reactor : Reactor operatively connected to valve by mechanical movement)

Patent 5297579: Ball and seat-type check valve for downhole rod pump
(FLUID HANDLING : LINE CONDITION CHANGE RESPONSIVE VALVES : Direct response valves (i.e., check valve type) : In couplings for coaxial conduits, e.g., drill pipe check valves : Valve seat clamped between coupling elements : Enlarged piston on end of valve stem)

Patent 5297580: High pressure ball and seat valve with soft seal
(FLUID HANDLING : LINE CONDITION CHANGE RESPONSIVE VALVES : Direct response valves (i.e., check valve type) : Reciprocating valves : Weight biased : Valve body is the weight : Ball valves : Separable seat : Sinking or bucket type float)

Patent 5297581: Pipeline plugger
(PIPES AND TUBULAR CONDUITS : WITH CLOSURES AND PLUGS : Laterally insertable : Dust cap)

Patent 5297582: Method for water leakage prevention in pipeline
(PIPES AND TUBULAR CONDUITS : REPAIRING : Patches : Line blinds)

Patent 5297583: Apparatus for limiting a leak in the event of a rupture in pipework
(PIPES AND TUBULAR CONDUITS : REPAIRING : Patches : External : Pivoted)

Patent 5297584: Pipe seal
(PIPES AND TUBULAR CONDUITS : REPAIRING : Patches : External : Pivoted)

Patent 5297585: Room temperature shrinkable tube
(PIPES AND TUBULAR CONDUITS : COMBINED : With base)

Patent 5297586: Flexible metal hose assembly incorporating modified braid ring with annular member having tools flats
(PIPES AND TUBULAR CONDUITS : COMBINED : With end structure : Suspended)

Patent 5297587: Sealed double wall steel tubing having steel outer surface
(PIPES AND TUBULAR CONDUITS : DISTINCT LAYERS : Bonded to each other : Metal : With interlocked or clamped edge)

Patent 5297588: Pipe insulation end cap
(PIPES AND TUBULAR CONDUITS : DISTINCT LAYERS : With intermediate insulation layer : Diverse coating material)

Patent 5297589: Heddle frame with detachable corner connections
(TEXTILES: WEAVING : WARP MANIPULATION : Shedding : Harnessing : Harnesses : Lingoes)

Patent 5297590: Papermaking fabric of blended monofilaments
(TEXTILES: WEAVING : FABRICS : Drier felts : Asbestos)

Patent 5297591: Hollow fiber bundle
(TEXTILES: WEAVING : FABRICS : Shuttle threaders)

Patent 5297592: Method of discharging a weft yarn wound around a drum
(TEXTILES: WEAVING : WEFT MANIPULATION : Weaving with stationary weft supply : Weft handling : Needle thread engaging portion)

Patent 5297593: Steel line closed loop forming tool
(WIREWORKING : EYE FORMING : Coil springs)

Patent 5297594: Vapor recovery nozzle
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION : Filling with exhausting the receiver : Receiver vented to atmosphere before separation (e.g., snift))

Patent 5297595: Apparatus for introducing volatile fuel into a storage tank
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION : Filling with exhausting the receiver : Receiver vented to atmosphere before separation (e.g., snift))

Patent 5297596: Detergent dispenser
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : COMBINED : Level or pressure in receiver)

Patent 5297597: Container filler indexing counter
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : WITH CONVEYING MEANS TO SUPPLY SUCCESSIVE RECEIVERS : Fill triggered by receiver : Individual receiver controls the filling cycle therefor : Common vertical axis for conveyer)

Patent 5297598: Coin bag holding device for coin handling machines
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : FILLING MEANS WITH RECEIVER OR RECEIVER COACTING MEANS : Flexible or collapsible receiver : With bag or liner securing means : Gravity seated inversion opened valve)

Patent 5297599: Closure device for sealing reagent containers in an automatic pipetting system
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : FILLING MEANS WITH RECEIVER OR RECEIVER COACTING MEANS : With puncturing connecting means : With means to cap or close an opening)

Patent 5297600: Container emptying device
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : FILLING MEANS WITH RECEIVER OR RECEIVER COACTING MEANS : Filling supply supported by receiver : Dumping or draining type : Relatively movable actuator)

Patent 5297601: Triple head high speed log debarker
(WOODWORKING : BARK ROSSER : Including means to simultaneously rotate and advance log : Filling)

Patent 5297602: Wooden pole bender
(WOODWORKING : PROCESS : Mechanical cutting or shaping : Combined cutting and shaping : Shaping by cutting)

Patent 5297603: Combined wiper and club head cover
(PURSES, WALLETS, AND PROTECTIVE COVERS : PROTECTIVE COVER MADE OF FLACCID MATERIAL : For a golf club (e.g., head cover) : Flap-type closure)

Patent 5297604: Tread for radial carcass tires for heavy vehicles
(RESILIENT TIRES AND WHEELS : TIRES, RESILIENT : Anti-skid devices : Tread : Having groove or sipe with specified dimension or structure therewithin : Both walls inclined in same direction : Woven)

Patent 5297605: Foldable tire chain attaching aid
(RESILIENT TIRES AND WHEELS : TIRES, RESILIENT : Anti-skid devices : Applying and removing devices : With embedded anti-skid elements)

Patent 5297606: Combination of a tire and rim for avoiding the dislodging of the beads of the tire
(RESILIENT TIRES AND WHEELS : TIRES, RESILIENT : Pneumatic tire or inner tube : Characterized by the structure of the bead portion of the tire : Breaker or belt characterized by its dimensions or curvature relative to the carcass or any other part of the tire)

Patent 5297607: Sheet curtain with vertical blind actuating mechanism
(FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL : PLEATING TYPE : With preformed pleats : With sliding pivot)

Patent 5297608: Tilter mechanism
(FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL : PLURAL STRIP, SLAT, OR PANEL TYPE : Venetian blind type : Adjustable strip, slat, or panel angle : Units and subcombinations thereof : Vertical type)

Patent 5297609: Investment casting of metal matrix composites
(METAL FOUNDING : PROCESS : Shaping a forming surface (e.g., mold making, etc.) : Shaping fluent material to form mold : With destruction of pattern to disassociate : Extracting pattern in liquid state : Utilizing plural cores)

Patent 5297610: Pressure casting method and apparatus
(METAL FOUNDING : PROCESS : Shaping liquid metal against a forming surface : Pressure forming : By direct fluid pressure : Positive heating or cooling of mold)

Patent 5297611: Casting of metal objects
(METAL FOUNDING : MEANS TO SHAPE METALLIC MATERIAL : United particle type shaping surface (e.g., sand, etc.) : Including metal chill : As part of shaping surface : Chain conveyor)

Patent 5297612: Method for controlling the clamping forces exerted on a continuous casting mold
(METAL FOUNDING : PROCESS : With measuring, testing, inspecting, or condition determination : Of continuous or semicontinuous casting : And regulating an operation :)

Patent 5297613: Process and apparatus for producing rotationally symmetrical bodies
(METAL FOUNDING : PROCESS : With measuring, testing, inspecting, or condition determination : During feeding of metal to mold : And regulating an operation)

Patent 5297614: Process for continuous casting of ultra low carbon aluminum killed steel
(METAL FOUNDING : PROCESS : Shaping liquid metal against a forming surface : Continuous or semicontinuous casting : Specific molten metal dispensing : Directly applying liquid coolant to product)

Patent 5297615: Complaint investment casting mold and method
(METAL FOUNDING : PROCESS : Shaping a forming surface (e.g., mold making, etc.) : Shaping fluent material to form mold : Composite, plural part or multilayered mold : Sequentially forming mold portions on same shaping member : Utilizing aqueous slurry material : With particular refractory material :)

Patent 5297616: Heat-insulated packing for the refrigerated or hot transport of receptacles containing food products
(HEAT EXCHANGE : STRUCTURAL INSTALLATION : Utilizing motion of vehicle)

Patent 5297617: Fan assembly with heat sink
(HEAT EXCHANGE : WITH RETAINER FOR REMOVABLE ARTICLE : Electrical component : Air cooled, including fins : Heat exchange between supply and exhaust lines)

Patent 5297618: Apparatus for removing a heatsink from an electronic module or package
(HEAT EXCHANGE : WITH RETAINER FOR REMOVABLE ARTICLE : Electrical component : Air cooled, including fins : Heat exchange between supply and exhaust lines)

Patent 5297619: Centrifugal heat pipe vapor absorption heat pump
(HEAT EXCHANGE : MOVABLE HEATING OR COOLING SURFACE : Relieving or absorbing means supports temperature modifier in heat exchanger)

Patent 5297620: Method and apparatus for transporting, utilizing and recovering heat utilizing decomposing and synthesizing reactions of methanol
(HEAT EXCHANGE : INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT : Reversible chemical reaction : By pass of heating or cooling means)

Patent 5297621: Method and apparatus for maintaining electrically operating device temperatures
(HEAT EXCHANGE : INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT : Plural intermediate fluent heat exchange materials : By pass of heating or cooling means)

Patent 5297622: Method for cooling of dust separated from the flue gases from a PFBC plant
(HEAT EXCHANGE : INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT : Solid fluent heat exchange material : Fluidized bed : With drum surface scraper)

Patent 5297623: Heat exchange apparatus and method for preparing the apparatus
(HEAT EXCHANGE : WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL : Mechanical gas pump : Vertical cone or drum)

Patent 5297624: Header for a flat tube liquefier
(HEAT EXCHANGE : SIDE-BY-SIDE TUBULAR STRUCTURES OR TUBE SECTIONS : With manifold type header or header plate : Stacked plates or shells form interplate passages)

Patent 5297625: Biochemically enhanced oil recovery and oil treatment
(WELLS : PROCESSES : Using microorganisms : Pipe cutting means)

Patent 5297626: Oil recovery process
(WELLS : PROCESSES : Distinct, separate injection and producing wells : Including fracturing or attacking formation : Horizontal well)

Patent 5297627: Method for reduced water coning in a horizontal well during heavy oil production
(WELLS : PROCESSES : Distinct, separate injection and producing wells : Involving the step of heating : Steam as drive fluid : CO2 or carbonated gas)

Patent 5297628: Simultaneous matrix acidizing using acids with different densities
(WELLS : PROCESSES : Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking formation : Composition of proppant)

Patent 5297629: Drill stem testing with tubing conveyed perforation
(WELLS : PROCESSES : Perforating, weakening, bending or separating pipe at an unprepared point : Using specific materials)

Patent 5297630: Downhole milling tool
(WELLS : PROCESSES : Perforating, weakening, bending or separating pipe at an unprepared point : Using specific materials)

Patent 5297631: Method and apparatus for downhole oil well production stimulation
(WELLS : PROCESSES : With explosion or breaking container to implode : Perforating, weakening or separating by mechanical means or abrasive fluid)

Patent 5297632: Method and apparatus for production of subsea hydrocarbon formations
(WELLS : SUBMERGED WELL : Connection or disconnection of submerged members remotely controlled : Connection to provide fluid flow path : Including means to pull member into position)

Patent 5297633: Inflatable packer assembly
(WELLS : PROCESSES : Placing or shifting well part : With sealing feature (e.g., packer) : By auxilliary fluid control line)

Patent 5297634: Method and apparatus for reducing wellbore-fluid pressure differential forces on a settable wellbore tool in a flowing well
(WELLS : PROCESSES : Placing or shifting well part : With sealing feature (e.g., packer) : By auxilliary fluid control line)

Patent 5297635: Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system
(FIRE EXTINGUISHERS : ALARMS : Pressure controlled)

Patent 5297636: Fire extinguishing system for cookstoves and ranges
(FIRE EXTINGUISHERS : SPECIAL APPLICATIONS : For cooking installation : Sensor, control and actuator)

Patent 5297637: Agricultural disc blade
(EARTH WORKING : ROLLING, ROTATING OR ORBITALLY MOVING TOOL : Detailed disk structure per se : Disks rotatable relative to axle)

Patent 5297638: Drivepipe guide and installation method for wells
(BORING OR PENETRATING THE EARTH : PROCESSES : Boring curved or redirected bores : Transporting sample to surface by fluid)

Patent 5297639: Method and apparatus for using multiple jets
(BORING OR PENETRATING THE EARTH : PROCESSES : Boring with specific fluid : Transporting sample to surface by fluid)

Patent 5297640: Drill collar for use in horizontal drilling
(BORING OR PENETRATING THE EARTH : MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH : Boring with specific fluid)

Patent 5297641: Drilling deviation control tool
(BORING OR PENETRATING THE EARTH : MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH : Boring with specific fluid)

Patent 5297642: Apparatus for storing drill rods
(BORING OR PENETRATING THE EARTH : WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING : Guide carried by shaft to operative position)

Patent 5297643: Cold headed center vacuum drill bit
(BORING OR PENETRATING THE EARTH : BIT OR BIT ELEMENT : With fluid conduit lining or element (e.g., slush tube) : Leading portion is forked rotary type)

Patent 5297644: Vehicle with tiltable propulsion units
(MOTOR VEHICLES : SPECIAL DRIVING DEVICE : Portable track : Endless, flexible : With auxiliary obstacle surmounting means : Track remains with vehicle)

Patent 5297645: Industrial lift truck
(MOTOR VEHICLES : POWER : Battery mountings and holders : With protector for the radiator or condenser)

Patent 5297646: Control system for optimizing operation of vehicle performance/safety enhancing systems such as 4WS, 4WD active suspensions, and the like
(MOTOR VEHICLES : STEERING GEAR : Each wheel steerable : With fluid power assist : With electrical control : And final gear drive)

Patent 5297647: Variable assist power steering gear with hydraulic reaction controls
(MOTOR VEHICLES : STEERING GEAR : With fluid power assist : With condition modulated steering : With electrical control : Vehicle speed condition only : Joint also includes gear element on fixed portion engaging gear element on axis of pivot and vertically offset from gear element on pivotable portion)

Patent 5297648: Compound steering mechanism
(MOTOR VEHICLES : STEERING GEAR : With fluid power assist : With swinging axle : With electrical control)

Patent 5297649: Apparatus for controlling output from engine on crawler type tractor
(MOTOR VEHICLES : WITH MEANS FOR DETECTING WHEEL SLIP DURING VEHICLE ACCELERATION AND CONTROLLING IT BY REDUCING APPLICATION OF POWER TO WHEEL : With at least one surface-engaging propulsion element)

Patent 5297650: Electrically-driven motor car with an externally-operated parking device
(MOTOR VEHICLES : WITH DEVICE FOR PROGRAMMABLY OPERATING VEHICLE`S STEERABLE WHEELS : Comprising reciprocably driven stepper or rotatably driven cam)

Patent 5297651: Safety load transfer device and system
(FIRE ESCAPE, LADDER, OR SCAFFOLD : TORSO HARNESS : Swingable support)

Patent 5297652: Mobile transcending scaffold apparatus
(FIRE ESCAPE, LADDER, OR SCAFFOLD : HAVING TRANSPOSITIONING BASE AND ERECTING MEANS : Interior wall-engaging means)

Patent 5297653: Pickup truck mounted lift apparatus
(FIRE ESCAPE, LADDER, OR SCAFFOLD : HAVING TRANSPOSITIONING BASE AND ERECTING MEANS : Erecting means actuated by lazy tong : Extension ladder pivotally mounted to be erected about a horizontal axis)

 

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