Patents 5522242 - 5522497

 

 

Patent 5522242: Washing machine transmission drive connection
(TEXTILES: FLUID TREATING APPARATUS : MACHINES : Combined : With liquid extractor : Centrifugal extractor (e.g., centrifuge) : Including impulsing means (e.g., agitator) within and independent of centrifuge : Oscillating type :)

Patent 5522243: Daylight fluorescent color combination lock with optional additional indicia
(LOCKS : OPERATING MECHANISM : Combination : Operating elements : Operating indicators : Motion-restraining means)

Patent 5522244: Method of operating a punch press during start-up and stopping
(METAL DEFORMING : WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR : Sensing tool or tool-linked part : To stop machine : Of different operating assemblages)

Patent 5522245: Device for producing metal rings
(METAL DEFORMING : BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) : With feeding of discrete articles or orienting of work relative to deflector (other than by deflector) : And actuation of cutter in timed relation to deflector or work movement)

Patent 5522246: Process for forming light-weight tublar axles
(METAL DEFORMING : BY EXTRUDING THROUGH ORIFICE : Expressing non-uniform cross-section or non-linear product : Severing product from stock or residue)

Patent 5522247: Method and apparatus for manufacturing a corrugated tube
(METAL DEFORMING : BY USE OF NON-DEFORMING WORK-GRIPPING CLAMP AND RELATIVELY MOVABLE CLAMP, TOOL OR WORK-FORCER : By individually non-deforming clamps : With bodily motion in fixed path : Substantially direct approach or recession (e.g., stretching) : Equal size pair of reaction rolls)

Patent 5522248: Method of forming a metal container body
(METAL DEFORMING : BY USE OF CLOSED-DIE AND COACTING WORK-FORCER (E.G., PUSH-DRAWING) : Cup or shell drawing (i.e., deep drawing) : With additional metal-deforming : With work feeding)

Patent 5522249: Single ended tuning fork inertial sensor and method
(MEASURING AND TESTING : INSTRUMENT PROVING OR CALIBRATING : Speed, velocity, or acceleration : Metering dispenser)

Patent 5522250: Aged exhaust gas oxygen sensor simulator
(MEASURING AND TESTING : INSTRUMENT PROVING OR CALIBRATING : Gas or liquid analyzer : Gas : Span or zero :)

Patent 5522251: Methods and apparatus for simulating the long-term effects of normal wear and maintenance of surfaces
(MEASURING AND TESTING : BY ABRASION, MILLING, RUBBING, OR SCUFFING : Roughness or hardness)

Patent 5522252: Device detecting excessive wear of a carbon wiper of an autotransformer
(MEASURING AND TESTING : BY ABRASION, MILLING, RUBBING, OR SCUFFING : Roughness or hardness)

Patent 5522253: Smelling aid device
(MEASURING AND TESTING : GAS ANALYSIS : Odor : Air-fuel ratio)

Patent 5522254: Knock sensing apparatus for internal combustion engine
(MEASURING AND TESTING : ENGINE DETONATION (E.G., KNOCK) : Combustion signal compared to reference signal varied by a condition of the engine : Automatic gain control or feedback control : Specimen carrying)

Patent 5522255: Fluid dose, flow and coagulation sensor for medical instrument
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Gelling or coagulation : By optical measurement : Vaporization (e.g., evaporation, distillation, etc.))

Patent 5522256: Cylinder discriminating apparatus for internal combustion engine
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : Pressure derivative)

Patent 5522257: Suspended single roll dynamometer
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : With vehicle wheel supporting roller or belt : Miles per gallon)

Patent 5522258: Method for detecting misfires in an internal combustion engine
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : Disparate tests under operating conditions : With continuous operation : By angular displacement of opposite ends of specimen)

Patent 5522259: Process and arrangement for measuring multiple disk brake wear
(MEASURING AND TESTING : BRAKE TESTING : Motor part)

Patent 5522260: Method and apparatus for determining a depth correction for a logging tool in a well
(MEASURING AND TESTING : BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) : Formation logging (e.g., borehole studies of pressure derivatives or of pressure-temperature derivatives) : By direct fluid pressure reading)

Patent 5522261: Fluid flow direction and velocity monitor and temperature compensating circuit therefor
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Thermal type : Including response characteristic or condition compensation : By control of a separate heating or cooling element)

Patent 5522262: Disposable specific gravity tester of liquids and use thereof
(MEASURING AND TESTING : SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID : Multiple floats of graduated density : Bubble tube)

Patent 5522263: Apparatus and method for inspecting soldering condition of electronic component by using ultrasonic oscillation
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Structural bond evaluation : With suspension means)

Patent 5522264: Method and apparatus for detecting and measuring gelled pigs in tubulars
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Measuring or testing system having threshold, gating, delay, or blocking means : Electronic gating : Both ends free)

Patent 5522265: Device for the ultrasonic measuring of the defects of a railway track
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Measuring or testing system having scanning means : By reflected wave : Having plural sonic type transmitter or receiver transducers : Scan from within object)

Patent 5522266: Low cost pressure transducer particularly for medical applications
(MEASURING AND TESTING : FLUID PRESSURE GAUGE : With pressure and/or temperature compensation : Vibrating strip or wire)

Patent 5522267: Modular diaphragm pressure sensor with peripherally mounted electrical terminals
(MEASURING AND TESTING : FLUID PRESSURE GAUGE : Diaphragm : With electrical readout : Resistive : Strain gauge : Strain gauge)

Patent 5522268: Turbine hub including pulse-generating elements sealing disposed within a two part molded container
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Using rotating member with particular electrical output or circuit : With pick-up coil : With rotation about a fixed axis)

Patent 5522269: Apparatus and method for transducing torque applied to a magnetostrictive shaft while minimizing temperature induced variations
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to torque : During transmission to an external load : By measuring elastic deformation of a torque transmitting member : Using an electrical sensor : Inductance or reluctance sensor : Detecting magnetostrictive or magnetoelastic property : Interlaced teeth)

Patent 5522270: Device for the measurement of stresses exerted on a mechanical part, and method to fasten said device
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to force : By measuring elastic deformation : Using a specific type of electrical sensor : Resistance strain gage : Electrical sensor)

Patent 5522271: Tool and method for soil sampling
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Capture device : Cutter, tearer, or scraper : Corer : And transversely movable)

Patent 5522272: Gas emission sample container with heating means
(MEASURING AND TESTING : SAMPLER, SAMPLE HANDLING, ETC. : Capture device : Receptacle type : Expansible chamber : With holder or connector)

Patent 5522273: Variable volume test chamber
(MEASURING AND TESTING : SIMULATED ENVIRONMENT (E.G., TEST CHAMBERS) : Capacity adjustable)

Patent 5522274: Device and process for studying the behavior in circulation of multiphase effluents, application to effluents forming hydrates
(MEASURING AND TESTING : TESTING OF MATERIAL : Capacity adjustable)

Patent 5522275: Industrial robot, particularly for moving pieces from one press to the other in a line of presses
(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 5522276: Adjustable cable strand end fitting
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Hand operated : Flexible transmitter (e.g., Bowden cable) : Motion translating mechanism)

Patent 5522277: Electrically-operated latch
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Variable output force : Detents : Friction : Adjustable)

Patent 5522278: Self-locking dual worm gear and the tools needed to produce it
(MACHINE ELEMENT OR MECHANISM : GEARING : Directly cooperating gears : Spiral : Screw : Less than 360 degrees of contact between nut and screw)

Patent 5522279: Shift lever structure for operating automatic transmission
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Multiple controlled elements : Transmission control : Manually operated selector (e.g., remotely controlled device, lever, push button, rotary dial, etc.) : Resiliently biased restrictor)

Patent 5522280: Connecting links for windshield wipers and method for fabricating the link
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Pitmans and connecting rods : Sliding pawls)

Patent 5522281: Adjustable tie-rod assembly for a motor vehicle
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Pitmans and connecting rods : Longitudinally adjustable : Automatic release)

Patent 5522282: Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat
(MACHINE ELEMENT OR MECHANISM : CONTROL LEVER AND LINKAGE SYSTEMS : Cranks and pedals : Pedals : With toe or shoe clips : Rotating)

Patent 5522283: Circular saw leveling and tensioning machine
(METAL TOOLS AND IMPLEMENTS, MAKING : SAW-MAKING OR FURBISHING DEVICE OR MACHINE : Process : Roller :)

Patent 5522284: Device for opening screwed lids and the like
(TOOLS : RECEPTACLE CLOSURE REMOVER : Gripping type : With deformable strip-tightening means : With bottom support)

Patent 5522285: Mechanism for locating a slotted socket relative to a drive transfer housing and combination thereof
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Machine : Gear-operated : With motor : Parallel axis drive : With means for resiliently biasing jaw and/or toggle)

Patent 5522286: Mechanism for coupling and selectively positioning a socket drive transfer assembly and a driver
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Machine : Gear-operated : Adjustable angle drive : Vehicular)

Patent 5522287: Ratchet handle of socket wrench
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Handle clutched to head : One-way detent drive, e.g., ratchet : Internal)

Patent 5522288: Reversible ratchet wrench
(TOOLS : WRENCH, SCREWDRIVER, OR DRIVER THEREFOR : Handle clutched to head : One-way detent drive, e.g., ratchet : Pivoted pawl : Reversing : Single : Extension coil spring between jaw and handle member)

Patent 5522289: Opening spring for pivoting hand tool
(TOOLS : TOOL JAW(S) POSITIONED BY RELATIVELY MOVABLE PLURAL HANDLES (E.G., PLIERS) : Crossed handles : Resiliently urged : With opposed interdigitated concentric segmental annular portions)

Patent 5522290: Compliant pliers
(TOOLS : TOOL JAW(S) POSITIONED BY RELATIVELY MOVABLE PLURAL HANDLES (E.G., PLIERS) : Resiliently urged : Nonplanar jaw face)

Patent 5522291: Tool handle having a tool kit
(TOOLS : HANDLE FOR TOOL : Having storage compartment : Bit shaft inclined relative to crank)

Patent 5522292: Machine for cutting logs of web material
(CUTTING : PROCESSES : During movement of work past flying cutter : Cyclically varying rate of tool or work movement : By flexing around or by tool)

Patent 5522293: Method and apparatus for accurately positioning a knife blade for scoring plastic tamper indicating closures
(CUTTING : PROCESSES : Cutting wall of hollow work : Repetitive blanking)

Patent 5522294: Biological tissue slicer
(CUTTING : WITH MEANS TO CONVEY WORK RELATIVE TO TOOL STATION : With work-constraining means on work conveyer (i.e., "work-carrier") : With means to guide work-carrier in nonrectilinear path : About axis fixed relative to tool station : Infeed : About vertical axis : Cut normal to axis : Movement by rack and pinion or pawl)

Patent 5522295: Rear address punch with turret frame
(CUTTING : MEANS TO DRIVE OR TO GUIDE TOOL : Plural tools selectively engageable with single drive : Turret of tools : Of paired tools)

Patent 5522296: Cove base cutter guide
(CUTTING : BY TOOL RECIPROCABLE ALONG ELONGATED EDGE : With tool in-feed : With passive means to guide tool directly : By plural opposed guide surfaces : Lever, cam, or link means)

Patent 5522297: Tremolo apparatus pivotable about an adjustable pivoting axis
(MUSIC : INSTRUMENTS : Stringed : Details : Tremolo devices : Pedal operated steel guitars)

Patent 5522298: Tremolo arm stabilizer for electric guitar
(MUSIC : INSTRUMENTS : Stringed : Details : Tremolo devices : Pedal operated steel guitars)

Patent 5522299: Tuning systems for stringed instruments
(MUSIC : INSTRUMENTS : Stringed : Details : Finger boards and frets : Nuts : Attached)

Patent 5522300: Drumstick station
(MUSIC : ACCESSORIES : Drum and cymbal beaters)

Patent 5522301: Pressure control valve for a hydraulic actuator
(MOTORS: EXPANSIBLE CHAMBER TYPE : WITH MOTIVE FLUID VALVE : Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber : With motor-controlled holding means for valve)

Patent 5522302: Cylinder and piston assembly and method of porting
(MOTORS: EXPANSIBLE CHAMBER TYPE : PLURAL RELATIVELY MOVABLE OR RIGIDLY INTERCONNECTED WORKING MEMBERS : Single valve for plural rigidly connected working members : Control means includes separate control valves for each working member)

Patent 5522303: Machine tool with locking mechanism
(EXPANSIBLE CHAMBER DEVICES : WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER : Means includes element interfitting between working member and fixed part : Fluid actuated (28) : Resilient element)

Patent 5522304: Driver for an injection pump
(EXPANSIBLE CHAMBER DEVICES : ABUTMENT CONNECTION BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT : Fluid pressure type)

Patent 5522305: Wort kettle for boiling wort for brewing
(FOODS AND BEVERAGES: APPARATUS : BEVERAGE : Primary-alcoholic fermentations with subsequent and/or prior operations :)

Patent 5522306: Toaster and cutter
(FOODS AND BEVERAGES: APPARATUS : COOKING : Automatic control : Of heat and material : By heat responsive means : Relative movement, toast and support : Vertical)

Patent 5522307: Device for controlling the boiling power of a water-containing vessel
(FOODS AND BEVERAGES: APPARATUS : COOKING : Automatic control : Of heat or heater : By heat responsive means)

Patent 5522308: Griddle
(FOODS AND BEVERAGES: APPARATUS : COOKING : Automatic control : Of heat or heater : By heat responsive means)

Patent 5522309: Apparatus capable of producing different kinds of foods
(FOODS AND BEVERAGES: APPARATUS : COOKING : Automatic control : Of material : By time)

Patent 5522310: Apparatus for heating and dispensing food
(FOODS AND BEVERAGES: APPARATUS : COOKING : Combined : Subsequent treating or handling)

Patent 5522311: Beverage container compacting device having endless belts with puncturing members
(PRESSES : AUTOMATIC OR MATERIAL TRIGGERED CONTROL : Of actuating means : By pressure applied to material : Reversing for successive placements)

Patent 5522312: Waterbox calendering
(PRESSES : WITH ADDITIONAL TREATMENT OF MATERIAL : Adding materials : Liquid and/or steam : To material being fed or conveyed : With threader crossing material path)

Patent 5522313: Thermal stencil master plate and method for processing the same
(PRINTING : STENCILING : Stencils : Laminated and/or plural sheets and/or coated base and manufacture : Attaching)

Patent 5522314: Method for accurately positioning border strips on fabric
(PRINTING : STENCILING : Stencils : Manufacture : Attaching)

Patent 5522315: Printing blanket with convex compressible layer
(PRINTING : PRINTING MEMBERS : Rolling contact : Yielding surface : Interrupter)

Patent 5522316: Journal mounted cylinders with swingable access doors
(PRINTING : ASSEMBLY OR DISASSEMBLY FEATURES : Anti-offset material application)

Patent 5522317: Printing method of applying a polymer surface material and substrate produced by the method
(PRINTING : PROCESSES : With heating or cooling : Of print medium : No operating mechanism)

Patent 5522318: Cushion element for detonators and the like; apparatus and method of assembly
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Electrical primer or ignitor : Having a powder train time delay : Voltage responsive variable resistance shunt (e.g., semiconductor shunts))

Patent 5522319: Free form hemispherical shaped charge
(AMMUNITION AND EXPLOSIVES : BLASTING : Detonation wave modifying : Shaped charge or charge with detonation wave cavity modifier :)

Patent 5522320: Low-toxicity obscuring smoke formulation
(AMMUNITION AND EXPLOSIVES : SMOKE GENERATING : Plug)

Patent 5522321: Dragster amusement ride with elastic cord propulsion
(RAILWAYS : AMUSEMENT : Racing : Rotating)

Patent 5522322: Motorized system and method for aiding physically-impaired persons in moving between different positions
(RAILWAY ROLLING STOCK : LOCOMOTIVES : With rack rail engaging drive : Ventilation)

Patent 5522323: Ergonimic computer workstation and method of using
(HORIZONTALLY SUPPORTED PLANAR SURFACES : TILTABLE SURFACES : Pivotally adjustable about horizontal axis : Surface adjusting link spaced from axis : Vertically adjustable axis :)

Patent 5522324: Sectional table for special use
(HORIZONTALLY SUPPORTED PLANAR SURFACES : WITH STRUCTURAL INSTALLATION : HAVING MEANS FOR SUPPORTING AN ELECTRICAL COMPONENT (E.G., WIRE, OUTPUT JACK, ETC.) : Support enters window recess)

Patent 5522325: Hollow metal profile and metal pallet manufactured therefrom
(HORIZONTALLY SUPPORTED PLANAR SURFACES : INDUSTRIAL PLATFORM : Metal load-contacting surface : One-piece bent sheet metal)

Patent 5522326: Device for removing toxic solid and/or liquid substances from projectiles filled with chemical warfare agents
(FURNACES : WITH EXHAUST GAS TREATMENT MEANS : Afterburning means : Means directing main flame or combustion products for afterburning : Including pump)

Patent 5522327: Balanced pressure solid fuel heating unit
(FURNACES : COMBINED : Means for pulverizing solid fuel)

Patent 5522328: Seed brake
(PLANTING : DRILLING : Having depositor feature : Fluid current conveyor : Material speed reducing means : Dished)

Patent 5522329: Device for selectively feeding bands in a sewing machine
(SEWING : SPECIAL MACHINES : Guides : Strip : Spacing)

Patent 5522330: Drive device for a sewing machine
(SEWING : ELEMENTS : Starting or stopping : With element positioning : Electrically operated : Reversible feed direction)

Patent 5522331: Thread cut-off mechanism for a sewing machine
(SEWING : ELEMENTS : Thread cutting, severing or breaking : Rotary type : Automatic control)

Patent 5522332: Waist band attachment system
(SEWING : SPECIAL MACHINES : Having tube end tensioner : Fabric tuft)

Patent 5522333: Catamaran boat with planing pontoons
(SHIPS : DISPLACEMENT-TYPE HULL (E.G., SPECIFIC AFTBODY) : Multiple hulls : Including a submerged hull (e.g., semisubmerged watercraft) : With fluid motor)

Patent 5522334: Flexible portable container for leaking tanks
(SHIPS : BUILDING : Freighters : Bulk cargo : Liquid : Arm pivots about a vertical axis)

Patent 5522335: Combined azimuthing and tunnel auxillary thruster powered by integral and canned electric motor and marine vessel powered thereby
(SHIPS : STEERING MECHANISM : Fluid pressure : Jet : Fan)

Patent 5522336: Method and system for the casting of anchors and mooring of platforms and anchor casting unit for same
(SHIPS : ANCHORING ARRANGEMENT : Tension relievers)

Patent 5522337: Underwater vehicle inflatable housing configuration and method
(SHIPS : SUBMERSIBLE DEVICE : Concealment)

Patent 5522338: Rib, rigid-hull inflatable boat
(SHIPS : BOATS, BOAT COMPONENT OR ATTACHMENT : Inflatable : Flat bottom)

Patent 5522339: Collapsible multi-hulled vessel
(SHIPS : BOATS, BOAT COMPONENT OR ATTACHMENT : Collapsible : With folding)

Patent 5522340: Vessels having a double-walled laminated frame
(SHIPS : BOATS, BOAT COMPONENT OR ATTACHMENT : Hull construction : Plastic : With self-leveling passenger compartment)

Patent 5522341: Apparatus to raise a small boat
(SHIPS : LIFE CRAFT HANDLING DEVICE, APPARATUS, OR IMPLEMENT : Wind vane-operated)

Patent 5522342: Apparatus for preventing flags and banners from folding
(SIGNALS AND INDICATORS : FLAGS AND FLAGSTAFFS : Nonfouling : Bicycle clamp)

Patent 5522343: Thin film formation apparatus
(COATING APPARATUS : GAS OR VAPOR DEPOSITION : With treating means (e.g., jarring) : By creating electric field (e.g., gas activation, plasma, etc.) : Multiple gas energizing means associated with one deposition site (i.e., excluding substrate heater as an energizing means) : Electron beam evaporator)

Patent 5522344: Collapsible, window-mounted pet cage
(ANIMAL HUSBANDRY : CONFINING OR HOUSING : Animal display or open work enclosure (e.g., cage, etc.) : Collapsible : With attachment device)

Patent 5522345: Livestock feeder
(ANIMAL HUSBANDRY : FEEDING DEVICE : Racks : Animal excluding)

Patent 5522346: Low toggle force poultry watering valve
(ANIMAL HUSBANDRY : WATERING OR LIQUID FEED DEVICE : Drop-delivering : Standard-supported)

Patent 5522347: Enclosed ventilated litter box with a self-storing top cover
(ANIMAL HUSBANDRY : WASTE TOILET OR RELATED DEVICE : Walled receptacle; e.g., litter box, etc., containing moisture absorbent material : Underlying belt type)

Patent 5522348: Boiler
(LIQUID HEATERS AND VAPORIZERS : HEAT TRANSMITTER : Drums and couplings)

Patent 5522349: Water injecting type diesel engine
(INTERNAL-COMBUSTION ENGINES : WATER AND HYDROCARBON : Water into cylinder : Interengaging rotors)

Patent 5522350: System for dithering solenoids of hydraulically operated valves after engine ignition shut-off
(INTERNAL-COMBUSTION ENGINES : COOLING : Automatic coolant flow control : Valves for fluid coolant : Coolant source bypass : Radiator or condenser source : Vane acts as compression means)

Patent 5522351: Internal combustion engine temperature control system
(INTERNAL-COMBUSTION ENGINES : COOLING : With cooling of additional parts or materials : With lubricant heat exchange : Overflow vent to condenser)

Patent 5522352: Valve timing control system for engines
(INTERNAL-COMBUSTION ENGINES : POPPET VALVE OPERATING MECHANISM : With means for varying timing : With manifold and distributor)

Patent 5522353: Valve seat retainer and method of making same
(INTERNAL-COMBUSTION ENGINES : VALVE : Valve seat relation : Seal)

Patent 5522354: Valve mechanism for internal combustion engine
(INTERNAL-COMBUSTION ENGINES : PARTICULAR PISTON AND ENCLOSING CYLINDER CONSTRUCTION : Cylinder head : With means for mounting coating or liner)

Patent 5522355: Hand-held tool device, especially motor chain saw
(INTERNAL-COMBUSTION ENGINES : ACCESSORIES : Covers, trays, vibrators, corrosion inhibitors, air filters : For spring)

Patent 5522356: Method and apparatus for transferring heat energy from engine housing to expansion fluid employed in continuous combustion, pinned vane type,
(INTERNAL-COMBUSTION ENGINES : ROTARY : With transfer means intermediate single compression volume means and single expansion volume means : Compression volume means axially disposed relative to expansion volume means : Vane : Nonparallel axes)

Patent 5522357: Apparatus and method of fuel injection and ignition of internal combustion engine
(INTERNAL-COMBUSTION ENGINES : PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES : With injection means particularly positioned relative to precombustion and main combustion chambers : Interengaging rotors)

Patent 5522358: Fluid controlling system for an engine
(INTERNAL-COMBUSTION ENGINES : COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY : Injector is an integral part of engine valve : Having multiple passages)

Patent 5522359: Method of operating a diesel engine, and diesel engine
(INTERNAL-COMBUSTION ENGINES : COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY : Having a particular relationship between injection and ignition characteristics (e.g., nozzle location, spray pattern, timing relative to igniter location, timing) : Having inlet uncovered by working piston)

Patent 5522360: Intake control valve
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Responsive to deceleration mode (e.g., engine acting as a brake) : Having means to retard spark (e.g., ignition timing) : Rich resupply of fuel at end of deceleration)

Patent 5522361: Throttle shaft seal for a throttle body
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Having plural throttle valve structure : By electric means)

Patent 5522362: Idle control arrangement for engine
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Idle speed control : Manual adjustment : Rich resupply of fuel at end of deceleration)

Patent 5522363: Diagnostic system for idle speed control valve
(INTERNAL-COMBUSTION ENGINES : ENGINE SPEED REGULATOR : Idle speed control : Electrically operated control means : With fail-safe, backup, or malfunction detecting means : Lengthwise scavenging from head)

Patent 5522364: Fuel systems
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Fuel injection system : Drip prevention means at injector nozzle : Regulating means adjusts fuel pressure)

Patent 5522365: Internal combustion engine control
(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) : Having microprocessor : Memory addressed by engine speed or load)

Patent 5522366: Fuel injection control apparatus for internal combustion engine
(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 5522367: Method and device for predicting a future load signal in connection with the control of an internal-combustion engine
(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 5522368: Apparatus and method for improving fuel efficiency of diesel engines
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Liquid fuel evaporating by submerged air supply : Having an adsorbent canister)

Patent 5522369: System and method for controlling delivery of gaseous fuel to an internal combustion engine
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Gaseous fuel and air mixer : Diesel engine convertible from liquid to gas)

Patent 5522370: Multi-cylinder engine control system
(INTERNAL-COMBUSTION ENGINES : CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) : Including exhaust gas condition responsive means : Combined with engine condition responsive means : Starting or warmup responsive : Pressure downstream of throttle valve responsive)

Patent 5522371: Thermal insulation engine
(INTERNAL-COMBUSTION ENGINES : COMBUSTION CHAMBER : Having coating or liner : Hemispherical)

Patent 5522372: Ball throwing bat
(MECHANICAL GUNS AND PROJECTORS : CENTRIFUGAL : Hand :)

Patent 5522373: Cross bow
(MECHANICAL GUNS AND PROJECTORS : SPRING : Bow : Having projectile guide : Crossbow : By spring-driven plunger)

Patent 5522374: Multi-shot air operated, projectile launcher
(MECHANICAL GUNS AND PROJECTORS : FLUID PRESSURE : Having common supply to plural projector barrels : Spring)

Patent 5522375: Archery accessory adapter
(MECHANICAL GUNS AND PROJECTORS : ELEMENT : For archery projector : With surrounding cylinder)

Patent 5522376: Bow handle
(MECHANICAL GUNS AND PROJECTORS : ELEMENT : For archery projector : With surrounding cylinder)

Patent 5522377: Adjustable exhaust hood
(STOVES AND FURNACES : STOVE HOODS : Special features)

Patent 5522378: Automatic aerosol medication delivery system and methods
(SURGERY : LIQUID MEDICAMENT ATOMIZER OR SPRAYER : Plural orifice means passing gas into liquid)

Patent 5522380: Metered dose medication adaptor with improved incentive spirometer
(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 5522381: Device for supplying breathing gas to the lungs of a respiratory subject
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for mixing treating agent with respiratory gas : Valved)

Patent 5522382: Device and method for treating obstructed breathing having a delay/ramp feature
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for supplying respiratory gas under positive pressure : Electric control means : Means for sensing condition of user's body : Flight suit)

Patent 5522383: Powder inhaler having capsule holding structure and anti-static walls
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for mixing treating agent with respiratory gas : Particulate treating agent carried by breathed gas : Device usable either as inhaler or means for rubbing medicament on body surface)

Patent 5522385: Dynamic particle size control for aerosolized drug delivery
(SURGERY : RESPIRATORY METHOD OR DEVICE : Means for mixing treating agent with respiratory gas : Means for heating treating agent, respiratory gas, or mixture thereof : With gas flow control means other than pivotal or removable closure)

Patent 5522386: Apparatus particularly for use in the determination of the condition of the vegetative part of the nervous system
(SURGERY : DIAGNOSTIC TESTING : Measuring electrical impedance or conductance of body portion : With feedback of signal to patient)

Patent 5522387: Method to assess anesthesia
(SURGERY : DIAGNOSTIC TESTING : Via monitoring a plurality of physiological data, e.g., pulse and blood pressure :)

Patent 5522388: Pulse spectrometer
(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 : Determining blood constituent : Using fluorescent emission determination)

Patent 5522389: System for measuring a blood parameter and method therefor
(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 : Determining blood constituent : Oxygen saturation, e.g., oximeter : And other cardiovascular parameters :)

Patent 5522390: Magnetic resonance imaging method
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Magnetic resonance imaging or spectroscopy : Disposable or sterilizable eye contacting structure)

Patent 5522391: Delay generator for phased array ultrasound beamformer
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Anatomic image produced by reflective scanning : Having B-scan and Doppler)

Patent 5522392: Enhancing intravascular ultrasonic blood vessel image
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Doppler effect (e.g., fetal HR monitoring) : Blood flow studies : Hand-held unit)

Patent 5522393: Multi-dimensional real-time ultrasonic blood flow imaging apparatus and method
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Doppler effect (e.g., fetal HR monitoring) : Blood flow studies : Pulse Doppler : Temperature compensated)

Patent 5522394: Implantable measuring probe for measuring the flow velocity of blood in humans and animals
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Structure of transducer or probe assembly : Blood flow studies)

Patent 5522395: Electronic sphygmomanometer and method of controlling operation of same
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Measuring pressure in heart or blood vessel : Force applied against skin to close blood vessel : Electric signal generated by sensing means responsive to pulse or Korotkoff sounds : Pressure in inflatable occluder automatically raised above systolic pressure : Tool (e.g., ablation, abrasion, cutting))

Patent 5522396: Method and system for monitoring the heart of a patient
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Heart : Detecting heartbeat electric signal : Entire testing assembly supported on wrist)

Patent 5522397: Method of and apparatus for monitoring lung function
(SURGERY : DIAGNOSTIC TESTING : Respiratory : Measuring respiratory flow impedance or lung elasticity : Detecting heart sound)

Patent 5522398: Bone marrow biopsy needle
(SURGERY : DIAGNOSTIC TESTING : Sampling nonliquid body material (e.g., bone, muscle tissue, epithelial cells, etc.) : Cutting : Body pierced by tubular cutter or rod-type punch : Body pierced by tubular cutter or rod-type punch)

Patent 5522399: Catheterization device and associated assembly
(SURGERY : DIAGNOSTIC TESTING : Measuring fluid pressure in body : Locating acupuncture points)

Patent 5522400: Locking catheter system
(SURGERY : DIAGNOSTIC TESTING : Flexible catheter guide : Indicator)

Patent 5522401: Stomach muscle/posture monitoring belt
(SURGERY : DIAGNOSTIC TESTING : Measuring anatomical characteristic or force applied to or exerted by body : Spine : Means for controlling liquid flow)

Patent 5522402: Three-dimensional scanning method for design of protheses
(SURGERY : DIAGNOSTIC TESTING : Measuring anatomical characteristic or force applied to or exerted by body : Body movement (e.g., head or hand tremor, motility of limb, etc.) : Means for controlling liquid flow)

Patent 5522403: Splash shield
(SURGERY : BODY PROTECTING OR RESTRAINING DEVICES FOR PATIENTS OR INFANTS (E.G., SHIELDS, IMMOBILIZERS) : Drapes : Intrauterine)

Patent 5522404: Adjustable safety and assistance harnessing devices
(SURGERY : BODY PROTECTING OR RESTRAINING DEVICES FOR PATIENTS OR INFANTS (E.G., SHIELDS, IMMOBILIZERS) : Restrainers and immobilizers (e.g., strait jackets, etc.) : Body type (e.g., backboards) : Belt or strap : Vest or shirt type for upper torso)

Patent 5522406: Ash tray equipped with disposable ash pocket
(TOBACCO : TOBACCO USERS' APPLIANCE : With ash receiver : Materials and compositions)

Patent 5522407: Heated hair clip
(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 : Electrical heater : Separable squeeze-open clip :)

Patent 5522408: Hair roller
(TOILET : HAIR DEVICE : Having hair shaping surface or form (e.g., crimper or curler) : Having winding form or mandrel (e.g., curler) : Hair retained : Having peripheral projections : Including retaining clasp)

Patent 5522409: Collapsible vehicle cover
(TENT, CANOPY, UMBRELLA, OR CANE : PORTABLE SHELTER (I.E., TENT OR CANOPY) : Canopy supported by vehicle : Automobile : Carrier associated with handle bar or front frame post)

Patent 5522410: Portable single-cup washer
(CLEANING AND LIQUID CONTACT WITH SOLIDS : : Automatic controls : With electric control : External applying jet means)

Patent 5522411: Hand washing and drying equipment unit
(CLEANING AND LIQUID CONTACT WITH SOLIDS : : With plural means for supplying or applying different fluids at the same workstation : Means for sequentially applying different fluids : With drying means : Plural, mutually counterbalancing work supports)

Patent 5522412: Vacuum treatment apparatus and a cleaning method therefor
(CLEANING AND LIQUID CONTACT WITH SOLIDS : : Having self cleaning means : Fluid spraying means)

Patent 5522413: Removable sunshade for sailboats
(TENT, CANOPY, UMBRELLA, OR CANE : PORTABLE SHELTER (I.E., TENT OR CANOPY) : Canopy supported by vehicle :)

Patent 5522414: Flow sensor
(FLUID HANDLING : PROCESSES :)

Patent 5522415: Automatic shut-off valve for liquid storage tanks and method of installation
(FLUID HANDLING : PROCESSES : Cleaning, repairing, or assembling : Repairing, securing, replacing, or servicing pipe joint, valve, or tank : Specific valve or valve element mounting or repairing : Particular aperture forming means)

Patent 5522416: Pneumatic pressure regulation system
(FLUID HANDLING : CONTROL BY CHANGE OF POSITION OR INERTIA OF SYSTEM : With condition responsive control means)

Patent 5522417: Anti-spilling valve for vehicle fuel tank
(FLUID HANDLING : CONTROL BY CHANGE OF POSITION OR INERTIA OF SYSTEM : Vent opening or closing on tipping container : Pressure or head controlled)

Patent 5522418: Differential pressure operated gas lift valve
(FLUID HANDLING : DIVERSE FLUID CONTAINING PRESSURE SYSTEMS : Gas lift valves for wells : With valve or closure in-flow passage)

Patent 5522419: Chemical eductor with integral elongated air gap
(FLUID HANDLING : BACK FLOW PREVENTION BY VACUUM BREAKING (E.G., ANTI-SIPHON DEVICES) : Air vent in liquid flow line : With liquid level responsive gas vent or whistle)

Patent 5522420: Fuel flow cut-off safety switch box
(FLUID HANDLING : WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS : With electric heating element)

Patent 5522421: Fluid pressure regulator
(FLUID HANDLING : LINE CONDITION CHANGE RESPONSIVE VALVES : With separate connected fluid reactor surface : With opening bias (e.g., pressure regulator) : Through external pipe : Weight)

Patent 5522422: Hydraulic pressure reducing valve
(FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS : MULTIPLE FLUID-RECEIVING DEVICES : Multiple motors : Apportioning control : Multiple brake valves)

Patent 5522423: Forged body full port swing check valve
(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 5522424: Controlling the flow of fluids using solenoid-actuated valves
(FLUID HANDLING : COMBINED : Inspection means)

Patent 5522425: Delivery unit with fuel tank level transmitter
(FLUID HANDLING : SYSTEMS : Tank with internally extending flow guide, pipe or conduit : With vented outlet)

Patent 5522426: Valve arrangement in particular a solenoid valve arrangement for slip-controlled automotive vehicle brake systems
(FLUID HANDLING : SYSTEMS : Dividing into parallel flow paths with recombining : Biased exhaust valve)

Patent 5522427: Rain water conveyance apparatus
(FLUID HANDLING : SYSTEMS : Articulated or swinging flow conduit : Actuates valve : Reciprocating valve : Biased valve)

Patent 5522428: Natural gas vehicle tank life sensor and control
(FLUID HANDLING : SYSTEMS : Programmer or timer : Inlet internally extending)

Patent 5522429: Stroke limiter for single-lever mixing valve
(FLUID HANDLING : SYSTEMS : Multi-way valve unit : Selective reciprocation or rotation : With subsequent closing of first port)

Patent 5522430: Flow valve or shut-off cock for flow networks with sealing means
(FLUID HANDLING : SYSTEMS : Multi-way valve unit : Rotary valve unit : Plug : Piston)

Patent 5522431: Solenoid valve control system
(FLUID HANDLING : SYSTEMS : With flow control means for branched passages : Sectional block structure : Spring bias)

Patent 5522432: Main steam line plug and locking ring
(PIPES AND TUBULAR CONDUITS : WITH CLOSURES AND PLUGS : Inflatable : Dust cap)

Patent 5522433: Reusable insulation jacket for tubing, fittings and valves
(PIPES AND TUBULAR CONDUITS : DISTINCT LAYERS : With intermediate insulation layer : Diverse coating material)

Patent 5522434: Apparatus for controlling a drive motor in a weaving machine
(TEXTILES: WEAVING : MISCELLANEOUS : Loom driving, reversing and disconnecting mechanism :)

Patent 5522435: Machine for weaving face to face fabrics
(TEXTILES: WEAVING : WARP MANIPULATION : Shedding : Jacquard : Double lift : Heddles)

Patent 5522436: Wiring harness assembling board and band clamp binding examining device therefor
(WIREWORKING : ARTICLE MAKING OR FORMING : Forms and frames : Garment)

Patent 5522437: Drip tree oil recovery system
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : PLURAL MATERIALS, MATERIAL SUPPLIES OR CHARGES IN A RECEIVER : With common discharge : Dumping or draining : Pre-treatment of receiver)

Patent 5522438: Apparatus for filling packaging containers
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : AUTOMATIC CONTROL OF FLOW CUTOFF OR DIVERSION : Control by test receiver or chamber or by filled preceding receiver : Discharge assistant control by filled receiver)

Patent 5522439: Apparatus for filling containers
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : PLURAL FILLING MEANS : For plural receivers simultaneously filled : With discharge means : Manifold or divider : Float control cut-off)

Patent 5522440: Vapor recovery spout gland and vapor guard mount
(FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS : MISCELLANEOUS (E.G., FILLING HEADS) : Flexible or collapsible coupling section)

Patent 5522441: Wood lathe tooling
(WOOD TURNING : MISCELLANEOUS : Hollow cutter head : Rotary : Pattern : Radially movable)

Patent 5522442: Tire, including ground non-contacting rib
(RESILIENT TIRES AND WHEELS : TIRES, RESILIENT : Anti-skid devices : Tread : Having specified tread shoulder structure : Having circumferential rib at or crossing equatorial plane)

Patent 5522443: High speed heavy duty tire and rim assembly whose tire includes a buffer layer in each bead portion
(RESILIENT TIRES AND WHEELS : TIRES, RESILIENT : Pneumatic tire or inner tube : Characterized by the structure of the bead portion of the tire : Flipper strips : Utilizing two or more cord materials)

Patent 5522444: Positioning device for a headrail of a venetian blind
(FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL : PLURAL STRIP, SLAT, OR PANEL TYPE : Venetian blind type : Subcombinations or structure thereof : Units and subcombinations thereof)

Patent 5522445: Accordion fold panel guide track
(FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL : PLURAL STRIP, SLAT, OR PANEL TYPE : With mounting or supporting means : Nonplanar nonparallel arrangement on support : Slat support (e.g., tape ladder))

Patent 5522446: Sectional overhead door
(FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL : PLURAL STRIP, SLAT, OR PANEL TYPE : Movably interconnected : Edge-to-edge interconnected : Tongue, bead, bolt, or dog into groove or slot)

Patent 5522447: Method and apparatus for on-line monitoring, cleaning, and inspection of core boxes during casting
(METAL FOUNDING : PROCESS : Shaping a forming surface (e.g., mold making, etc.) : Shaping fluent material to form mold : Composite, plural part or multilayered mold : Shaping plural separable mold parts : Including shaping core member : With particular refractory material)

Patent 5522448: Cooling insert for casting mold and associated method
(METAL FOUNDING : PROCESS : Shaping liquid metal against a forming surface : Controlling solidification (other than ambient cooling) : Pressure applied after introduction of metal)

Patent 5522449: Gripping means of an injection molding machine
(METAL FOUNDING : MEANS TO SHAPE METALLIC MATERIAL : Including means to assemble mold parts : Having auxiliary means for locking assembled parts in place : Endless serial mold circuit)

Patent 5522450: Continuous casting plate mold
(METAL FOUNDING : MEANS TO SHAPE METALLIC MATERIAL : Continuous or semicontinuous casting : Enclosed system including a receptacle and mold)

Patent 5522451: Method to produce high frequency stop-and-go movement in continuous cast rod
(METAL FOUNDING : PROCESS : Shaping liquid metal against a forming surface : Continuous or semicontinuous casting : Having mold or product vibration or reciprocation : Electric arc melting with slag or flux)

Patent 5522452: Liquid cooling system for LSI packages
(HEAT EXCHANGE : WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL : Fluid pressure responsive or control : Flow of one heat exchange material controlled by its own pressure : Bypass of heat exchanger)

Patent 5522453: Washer fluid heater
(HEAT EXCHANGE : WITH VEHICLE FEATURE : Cleaning)

Patent 5522454: Condenser made of concrete for an axial exhaust steam turbine, with simplified mounting of heat exchange bundles
(HEAT EXCHANGE : EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS : Relieving or absorbing means supports temperature modifier in heat exchanger : Liquid cooled)

Patent 5522455: Heat pipe manifold with screen-lined insert
(HEAT EXCHANGE : INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT : Liquid fluent heat exchange material : Utilizing change of state : Utilizing capillary attraction : By application of mechanical energy)

Patent 5522456: Overflow with threaded plastic fillneck for surge tanks and overflow reservoirs
(HEAT EXCHANGE : INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT : Liquid fluent heat exchange material : With pressurizing means or degassifying means : By application of mechanical energy)

Patent 5522457: Heat exchanger, particularly radiator for internal combustion engines of commercial vehicles
(HEAT EXCHANGE : WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL : Mechanical gas pump : Vertical cone or drum)

Patent 5522458: High pressure cementing plug assemblies
(WELLS : PACKERS OR PLUGS : Cup type : Free falling type (e.g., dropped ball))

Patent 5522459: Continuous multi-component slurrying process at oil or gas well
(WELLS : PROCESSES : Cementing, plugging or consolidating : Composition of proppant)

Patent 5522460: Water compatible chemical in situ and sand consolidation with furan resin
(WELLS : PROCESSES : Cementing, plugging or consolidating : Using specific materials : Cement or consolidating material is organic or has organic ingredient : Organic material is resin or resinous : In combination with additional organic material (e.g., alkyls, carbon chains))

Patent 5522461: Mill valve
(WELLS : PROCESSES : Perforating, weakening, bending or separating pipe at an unprepared point : Perforating, weakening or separating by mechanical means or abrasive fluid : Cement or consolidating material is organic or has organic ingredient)

Patent 5522462: Plate heat exchanger
(HEAT EXCHANGE : FLOW PASSAGES FOR TWO CONFINED FLUIDS : Interdigitated plural first and plural second fluid passages : Stacked plates or shells form interplate passages : Additional transverse baffle)

Patent 5522463: Downhole oil well pump apparatus
(WELLS : WITH BELOW AND ABOVE GROUND MODIFICATION : Eduction pump or plunger in well : Longitudinally movable operator)

Patent 5522464: Hydraulic tubing head assembly
(WELLS : ABOVE GROUND APPARATUS : Moving tubing or cable into an existing well : Coiled tubing : Tool moved radially by fluid pressure)

Patent 5522465: Method and apparatus for a safety system
(WELLS : SUBMERGED WELL : With safety or emergency shutoff : Pipe cutting means)

Patent 5522466: Vibration-damping structure for electric hammer
(TOOL DRIVING OR IMPACTING : INCLUDING MEANS TO VIBRATIONALLY ISOLATE A DRIVE MEANS FROM ITS HOLDER : Handle type holder : Advance motor control in tool drive manipulating handle)

Patent 5522467: System and stabilizer apparatus for inhibiting helical stack-out
(BORING OR PENETRATING THE EARTH : MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH : Boring with specific fluid)

Patent 5522468: Onboard weight indicator for measuring the load applied to a vehicle axle
(WEIGHING SCALES : STRUCTURAL INSTALLATION : Vehicle : Pit)

Patent 5522469: Vehicle traction enhancement device
(MOTOR VEHICLES : SPECIAL WHEEL BASE : Five or more wheels : Displaceable wheel shifts or proportions load : Stub-axle type)

Patent 5522470: Trim compensation for a hovercraft
(MOTOR VEHICLES : SURFACE EFFECT VEHICLES (I.E., GROUND EFFECT MACHINES) : Having propulsion or control means :)

Patent 5522471: Knockdown cart convertible into modular shipping container
(MOTOR VEHICLES : SPECIAL WHEEL BASE : Collapsible or knockdown for storage or transport : Including member utilized in common by occupant-powered mechanism and by motor for transmitting torque output of each to wheel)

Patent 5522472: Fall protection system for bridge construction
(FIRE ESCAPE, LADDER, OR SCAFFOLD : TORSO HARNESS : Swingable support)

Patent 5522473: Ladder stabilizing device
(FIRE ESCAPE, LADDER, OR SCAFFOLD : LADDER : Supporting surface compensating means : Stile extension : Increment adjustment : Step-by-step adjustment)

Patent 5522474: Apparatus and method for changing automatic transmission fluid
(LUBRICATION : AUTOMOBILE CRANK AND GEAR CASE SERVICE :)

Patent 5522475: Method and apparatus for exchanging oil in a compressor
(LUBRICATION : AUTOMOBILE CRANK AND GEAR CASE SERVICE :)

Patent 5522476: Lubrication system for vehicle transmission
(LUBRICATION : SYSTEMS : Gearing : With valve lubrication)

Patent 5522477: Method and system for lubricating motor vehicle transmission parts
(LUBRICATION : SYSTEMS : Gearing : With valve lubrication)

Patent 5522478: Method of elevating a workpiece
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL : Includes fluid supporting ram in drive-means : Pneumatic (e.g., steam) : Having cable guiding pulley wheel spaced therefrom)

Patent 5522479: Control valve device for hydraulic elevator
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL : Includes fluid supporting ram in drive-means : With fluid flow controlling means : Having cable guiding pulley wheel spaced therefrom)

Patent 5522480: Measurement pick-up to detect physical characteristics of a lift for people or freight
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : WITH MONITORING, SIGNALLING, AND INDICATING MEANS : Includes specific floor selector)

Patent 5522481: Vibration damping device using ER fluids
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Electroviscous or electrorheological fluid : Supported by mechanical spring)

Patent 5522482: Suspension control system
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Motion damped from condition (e.g., bump, speed change) detected outside of retarder : Condition actuates valve or regulator : Of the rotary type : Having plural openings : Causes direct, simultaneous adjustment of plural shoes)

Patent 5522483: Shock absorber
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) : Via valved orifice in thrust member : Valve actuated by electrical system : Side mounted)

Patent 5522484: Variable damping force hydraulic shock absorber
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) : Via valved orifice in thrust member : Valve actuated by electrical system : Side mounted)

Patent 5522485: Rotary damper
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) : Arcuately oscillating thrust member : Piston reciprocating along axis of oscillation)

Patent 5522486: Damping valve for shock absorber
(BRAKES : INTERNAL-RESISTANCE MOTION RETARDER : Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) : With valve controlling fluid flow between chambers or compartments of the chamber : With reservoir for fluid : Annular reservoir : Causes direct, simultaneous adjustment of plural shoes)

Patent 5522487: Wheeled soft luggage
(TRUNKS AND HAND-CARRIED LUGGAGE : SUPPORTING DEVICES : Wheeled : Tray type)

Patent 5522488: Adjusting apparatus for adjusting an automobile seat
(CLUTCHES AND POWER-STOP CONTROL : TRANSMISSION AND BRAKE : Torque-responsive brake : Ball or roller type brake : Brake and gearing at axle end)

Patent 5522489: Auger clutch mechanism for agitator/auger systems
(CLUTCHES AND POWER-STOP CONTROL : CLUTCHES : Automatic : One-way engaging : Electric)

Patent 5522490: Liner support disc for supporting friction liners, especially for a motor vehicle
(CLUTCHES AND POWER-STOP CONTROL : CLUTCHES : Engaging surfaces : Clutch plate axially compressible : Coil spring)

Patent 5522491: Method for the classification of a pattern, for example on a banknote or a coin
(CHECK-ACTUATED CONTROL MECHANISMS : CONTROL MECHANISM ACTUATED BY CHECK, OTHER THAN COIN (E.G., SLUG, TOKEN, CARD, ETC.), WHICH IS MUTILATED OR RETAINED : By pliant currency (e.g., dollar bill, etc.) : Including light sensitive testing device :)

Patent 5522492: Escalator handrail drive system
(CONVEYORS: POWER-DRIVEN : CONVEYOR OR ACCESSORY THEREFOR SPECIALIZED TO CONVEY PEOPLE : By stairway having steps forming an endless member : With drive means : With means synchronizing the operation of the steps and a handrail :)

Patent 5522493: Supply hopper for delicate, rod-shaped products, in particular in cigarette packaging machines
(CONVEYORS: POWER-DRIVEN : CONVEYOR SYSTEM FOR ARRANGING OR REARRANGING STREAM(S) OF ITEMS : By queueing items from quantity source of items into stream(s) of items : Forming plural streams : By jiggling items into streams : By turntable which lifts, turns and lowers item(s))

Patent 5522494: Reciprocating slat conveyor
(CONVEYORS: POWER-DRIVEN : CONVEYOR SECTION : Reciprocating conveying surface : Surface formed by plural parallel elongated sections reciprocating horizontally : Seals : Moved by endless actuator)

Patent 5522495: Conveyor device having parallel reciprocating beams which can carry goods as containers or pallets in its raised position
(CONVEYORS: POWER-DRIVEN : CONVEYOR SECTION : Reciprocating conveying surface : Including set of alternately-acting load-support members : Longitudinally extending interdigitated sets (lifted by oscillating arms, etc.) : Load support members lifted by inclined supporting surface : Sets move through a closed-loop path)

Patent 5522496: Box file
(SPECIAL RECEPTACLE OR PACKAGE : CONVERTIBLE TO OR FROM DISPLAY CONFIGURATION (E.G., FROM OR TO SHIPPING CONFIGURATION) : Means to elevate sample above stock)

Patent 5522497: Combined toothpaste holder and vented toothbrush container
(SPECIAL RECEPTACLE OR PACKAGE : INCLUDING ANCILLARY ARTICLE CONTACTING MEDIUM : For tool or appliance : Brush : Transverse bristle : With additional receptacle separator)

 

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