IPC: F01B PATS: 7 MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE,
e.g. STEAM ENGINES
092 71% EXPANSIBLE CHAMBER DEVICES
091 14% MOTORS: EXPANSIBLE CHAMBER TYPE
415 14% ROTARY KINETIC FLUID MOTORS OR PUMPS
IPC: F01C PATS: 4 ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
418 75% ROTARY EXPANSIBLE CHAMBER DEVICES
417 25% PUMPS
IPC: F01D PATS: 4 NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
415 50% ROTARY KINETIC FLUID MOTORS OR PUMPS
165 25% HEAT EXCHANGE
416 25% FLUID REACTION SURFACES (I.E., IMPELLERS)
IPC: F01L PATS: 13 CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F01M PATS: 2 LUBRICATING OF MACHINES OR ENGINES IN GENERAL ; LUBRICATING
INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING [2]
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F01N PATS: 5 GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN
GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR
INTERNAL-COMBUSTION ENGINES
060 100% POWER PLANTS
IPC: F01P PATS: 1 COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF
INTERNAL-COMBUSTION ENGINES
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F02B PATS: 2 INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F02C PATS: 3 GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS;
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
060 100% POWER PLANTS
IPC: F02D PATS: 4 CONTROLLING COMBUSTION ENGINES [4]
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F02G PATS: 2 HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS ;
USE OF WASTE HEAT OF COMBUSTION ENGINES, NOT OTHERWISE PROVIDED FOR
060 100% POWER PLANTS
IPC: F02K PATS: 1 JET-PROPULSION PLANTS
060 100% POWER PLANTS
IPC: F02M PATS: 2 SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR
CONSTITUENTS THEREOF
123 100% INTERNAL-COMBUSTION ENGINES
IPC: F02P PATS: 1 IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION
ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
324 100% ELECTRICITY: MEASURING AND TESTING
IPC: F04B PATS: 7 POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
417 100% PUMPS
IPC: F04D PATS: 3 NON-POSITIVE-DISPLACEMENT PUMPS
415 67% ROTARY KINETIC FLUID MOTORS OR PUMPS
416 33% FLUID REACTION SURFACES (I.E., IMPELLERS)
IPC: F10L PATS: 1 Header Text Not Available for this IPC
285 100% PIPE JOINTS OR COUPLINGS
IPC: F15B PATS: 3 SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE
ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT
OTHERWISE PROVIDED FOR
137 100% FLUID HANDLING
IPC: F15C PATS: 1 FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL
PURPOSES
384 100% BEARINGS
IPC: F16B PATS: 2 DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE
PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES;
JOINTS OR JOINTING
024 50% BUCKLES, BUTTONS, CLASPS, ETC.
403 50% JOINTS AND CONNECTIONS
IPC: F16C PATS: 12 SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY
BODIES OTHER THAN GEARING ELEMENTS; BEARINGS [5]
384 92% BEARINGS
074 8% MACHINE ELEMENT OR MECHANISM
IPC: F16D PATS: 24 COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES [2]
192 83% CLUTCHES AND POWER-STOP CONTROL
464 8% ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY
IPC: F16F PATS: 7 SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
074 57% MACHINE ELEMENT OR MECHANISM
188 29% BRAKES
192 14% CLUTCHES AND POWER-STOP CONTROL
IPC: F16H PATS: 17 GEARING
474 35% ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS
074 29% MACHINE ELEMENT OR MECHANISM
192 29% CLUTCHES AND POWER-STOP CONTROL
475 6% PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS
IPC: F16J PATS: 4 PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
277 100% SEAL FOR A JOINT OR JUNCTURE
IPC: F16K PATS: 8 VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR
AERATING
137 75% FLUID HANDLING
236 13% AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
251 13% VALVES AND VALVE ACTUATION
IPC: F16L PATS: 4 PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR
PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
285 50% PIPE JOINTS OR COUPLINGS
137 25% FLUID HANDLING
138 25% PIPES AND TUBULAR CONDUITS
IPC: F21Q PATS: 2 Header Text Not Available for this IPC
362 100% ILLUMINATION
IPC: F21S PATS: 1 NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF [1,7] * oo
362 100% ILLUMINATION
IPC: F21U PATS: 1 Header Text Not Available for this IPC
362 100% ILLUMINATION
IPC: F21V PATS: 10 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR * oo SYSTEMS
THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER
ARTICLES, NOT OTHERWISE PROVIDED FOR [1,7]
362 100% ILLUMINATION
IPC: F21W PATS: 1 INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V,
RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS [7]
362 100% ILLUMINATION
IPC: F24C PATS: 1 OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR
RANGES, OF GENERAL APPLICATION
126 100% STOVES AND FURNACES
IPC: F24J PATS: 1 PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
126 100% STOVES AND FURNACES
IPC: F25B PATS: 7 REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND
REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
062 100% REFRIGERATION
IPC: F25J PATS: 2 LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS
MIXTURES BY PRESSURE AND COLD TREATMENT
062 100% REFRIGERATION
IPC: F26B PATS: 3 DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
034 100% DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS
IPC: F27B PATS: 1 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE
APPARATUS
432 100% HEATING
IPC: F28D PATS: 1 HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN
WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEAT
STORAGE PLANTS OR APPARATUS IN GENERAL [4]
165 100% HEAT EXCHANGE
IPC: F28F PATS: 4 DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL
APPLICATION
165 50% HEAT EXCHANGE
029 25% METAL WORKING
236 25% AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
IPC: F41G PATS: 1 WEAPON SIGHTS; AIMING
463 100% AMUSEMENT DEVICES: GAMES
