ClassID:

142936

F04B35/01 - CPC Classification

Classification description:

Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical

Recent Application in this class:
#1
20260016001
2026-01-15

REDUCED SIZE FLUID TRANSFER AND DEPRESSURIZATION APPARATUS, CONTROL, AND ASSOCIATED METHODS

#2
20260015999
2026-01-15

TWO-STAGE PUMP AND METHOD OF OPERATION

#3
20250347273
2025-11-13

AIR COMPRESSOR

#4
20250332872
2025-10-30

SYSTEM FOR TIRE INFLATION

#5
20250320789
2025-10-16

PUMP FOR INFLATING A DOWNHOLE ELEMENT, METHOD, AND SYSTEM

#6
20250257724
2025-08-14

ELECTRIC AIR PUMP

#7
20250237203
2025-07-24

DOUBLE ACTING TWO STAGE PISTON TYPE PUMP

#8
20250215870
2025-07-03

DEVICE FOR COMPRESSING A GAS AND METHOD OF ASSEMBLING SUCH DEVICE

#9
20250207575
2025-06-26

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#10
20250188915
2025-06-12

TWO-STAGE PUMP AND METHOD OF OPERATION

#11
20250180012
2025-06-05

METHOD OF PRODUCING COMPRESSED AIR VIA ENERGY EXCHANGE WITH COMPRESSED NATURAL GAS

#12
20250091047
2025-03-20

FLUID CONTROL

#13
20250010669
2025-01-09

HUB-INTEGRATED INFLATION SYSTEM

#14
20240401579
2024-12-05

Core of dual-motor driven inflatable pump

#15
20240359510
2024-10-31

SYSTEM AND METHOD FOR AUTOMATIC PRESSURE MANAGEMENT

#16
20240229781
2024-07-11

Piston Compressor

#17
20240159230
2024-05-16

Compressor intake muffler and filter

#18
20240125313
2024-04-18

Drive system for a positive displacement pump

#19
20240083203
2024-03-14

SYSTEM FOR TIRE INFLATION

#20
20240035463
2024-02-01

Compressor assembly

#21
20240011512
2024-01-11

REDUCED SIZE FLUID TRANSFER AND DEPRESSURIZATION APPARATUS, CONTROL, AND ASSOCIATED METHODS

#22
20230330395
2023-10-19

Advanced actuating mechanism and method of operation for fluid displacement and pressurizing device

#23
20230249501
2023-08-10

Hub-integrated inflation system

#24
20230173857
2023-06-08

System for tire inflation

#25
20230151803
2023-05-18

Air compressor

#26
20230122534
2023-04-20

Advanced actuating mechanism and method of operation for fluid displacement and pressurizing device

#27
20230097432
2023-03-30

POSITIVE DISPLACEMENT MACHINE, COMPRESSOR, COOLING DEVICE, AND ELECTRONIC APPARATUS

#28
20230074965
2023-03-09

HEAT PUMPS AND FLUID PUMPS THEREFOR

#29
20230048404
2023-02-16

Two-dimensional engine

#30
20230032921
2023-02-02

Carbon free compressor pump system

#31
20220372963
2022-11-24

Piston compressor and method for operating same

#32
20220372962
2022-11-24

Packing seal for a piston compressor and method for operating same

#33
20220372960
2022-11-24

Air compression device

#34
20220372959
2022-11-24

Air Compression Device

#35
20220348046
2022-11-03

System for tire inflation

#36
20220333591
2022-10-20

Piston of air compressor

#37
20220333590
2022-10-20

Air compressor

#38
20220268264
2022-08-25

HYDROGEN GAS COMPRESSION DEVICE

#39
20220178359
2022-06-09

Hybrid thermodynamic compressor

#40
20210404458
2021-12-30

Reciprocating-piston machine, compressed air supply system, vehicle and method for producing a reciprocating-piston machine

#41
20210402388
2021-12-30

Fluid control

#42
20210372385
2021-12-02

METHOD OF MOUNTING A BEARING TO AN AIR COMPRESSOR, AND AIR COMPRESSOR HAVING A BEARING MOUNTED BY THE METHOD

#43
20210362689
2021-11-25

Foreign material removing device and vehicle provided with this foreign material removing device

#44
20210310475
2021-10-07

Drive system for a positive displacement pump

#45
20210293229
2021-09-23

Double-piston compressor having a sliding block producing a stroke curve that deviates from a sinusoidal stroke curve

#46
20210267402
2021-09-02

Automatically opening and closing inflatable holiday ornament

#47
20210262524
2021-08-26

Method of mounting a bearing to an air compressor, and air compressor having a bearing mounted by the method

#48
20210262459
2021-08-26

Automobile inflatable pump

#49
20210231114
2021-07-29

Compressor intake muffler and filter

#50
20210215445
2021-07-15

Heat exchanger array system and method for an air thermal conditioner

#51
20210215127
2021-07-15

METHOD FOR MANUFACTURING ASSEMBLY, PARTS SET, METHOD FOR MANUFACTURING FUEL INJECTION PUMP, AND FUEL INJECTION PUMP

#52
20210102535
2021-04-08

Horizontal gas compressor with free lifting piston

#53
20210033078
2021-02-04

Direct drive air pump

#54
20210016615
2021-01-21

System for tire inflation

#55
20200164704
2020-05-28

Hub-integrated inflation system

#56
20200102953
2020-04-02

Air compressor

#57
20200088180
2020-03-19

Compressor having oil guide path

#58
20200072327
2020-03-05

Power delivery devices for reciprocating engines and related systems and methods

#59
20200062052
2020-02-27

Wheel-mounted air compression apparatus

#60
20200049138
2020-02-13

Structure of fixing bearing of air compressor

#61
20200039303
2020-02-06

Tire Inflator

#62
20200025189
2020-01-23

Compressor assembly for a compressed-air feed of a compressed-air supply system

#63
20190375253
2019-12-12

Compressor assembly having a magnetic coupling

#64
20190360560
2019-11-28

Power delivery devices for reciprocating engines, pumps, and compressors, and related systems and methods

#65
20190359180
2019-11-28

Foreign material removal device

#66
20190345923
2019-11-14

Gas compressor

#67
20190323491
2019-10-24

COMPRESSOR ASSEMBLY

#68
20190277221
2019-09-12

Thermally compensated bore guide systems and methods

#69
20190234389
2019-08-01

Fluid Cylinder

#70
20190211817
2019-07-11

High-pressure positive displacement plunger pump

#71
20190203885
2019-07-04

Tank state-detecting breathing air charger

#72
20190203780
2019-07-04

Plastic composite containing magnetic alloy powder, air conditioner compressor having the same and method of producing them

#73
20190184073
2019-06-20

Diaphragm vacuum pump

#74
20190176548
2019-06-13

System for tire inflation

#75
20190170192
2019-06-06

Method of mounting a bearing to an air compressor, and air compressor having a bearing mounted by the method

#76
20190162174
2019-05-30

Method of mounting a bearing to an air compressor, and air compressor having a bearing mounted by the method

#77
20190160460
2019-05-30

Fluid control

#78
20190128245
2019-05-02

COMPRESSOR

#79
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#80
20190093647
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

#81
20190063414
2019-02-28

Pressurized fluid supply apparatus and method of supplying pressurized fluid

#82
20190048865
2019-02-14

Piston compressor with enlarged regulating region

#83
20190047339
2019-02-14

Tire inflation system

#84
20190031155
2019-01-31

CLEANING SYSTEM

#85
20190023091
2019-01-24

Tire pressure control system and components

#86
20190010937
2019-01-10

Reciprocating-piston machine, compressed-air supply installation, compressed-air supply system, and vehicle

#87
20190003475
2019-01-03

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

#88
20180372078
2018-12-27

Electric air pump

#89
20180355449
2018-12-13

High toughness martensitic stainless steel and reciprocating pump manufactured therewith

#90
20180306170
2018-10-25

MEMBRANE FLUID PUMP

#91
20180291883
2018-10-11

Compressor with adaptable transmission with respect to the motive source

#92
20180266406
2018-09-20

Double-piston compressor of a compressed-air supply device

#93
20180258952
2018-09-13

Compressor module for compressing gas and compressor equipped therewith

#94
20180256791
2018-09-13

Reduced-pressure device

#95
20180245574
2018-08-30

Reciprocating piston compressor, a retrofit kit for a reciprocating piston compressor and the use of a connecting rod in a reciprocating piston compressor

#96
20180238314
2018-08-23

Air inflating device and tire repair machine comprising same

#97
20180230983
2018-08-16

Compressor intake muffler and filter

#98
20180230793
2018-08-16

Tool and method for actively cooling downhole electronics

#99
20180223820
2018-08-09

Reciprocating compressor having first and second cylinders in selective fluid communication with respective first and second suction plenums

#100
20180222715
2018-08-09

Compact inflator

#101
20180216609
2018-08-02

Refrigeration compressor having an outer-rotor type motor with the stator fixed to a member fixed to a cylinder block

#102
20180198267
2018-07-12

Busbar assy support for PCB

#103
20180194331
2018-07-12

Foreign matter removal device and vehicle equipped with foreign matter removal device

#104
20180194330
2018-07-12

Foreign material removing device and vehicle provided with this foreign material removing device

#105
20180187664
2018-07-05

Medical air compressor

#106
20180186228
2018-07-05

System economically using compressed air as an automobile power source and method thereof

#107
20180142680
2018-05-24

Device for delivering a medium

#108
20180135614
2018-05-17

SHOCK DAMPENING PUMP

#109
20180135611
2018-05-17

Protected air inlet for an air pump with a pressure gauge

#110
20180100493
2018-04-12

Piston cylinder arrangement for an oil free compressor having cooling passageways and method of cooling wrist pin bearing surface

#111
20180094725
2018-04-05

Piston assembly for an unloader valve of an air compressor

#112
20180087720
2018-03-29

Drive system for chemical injection pumps and instrument air compressors

#113
20180066802
2018-03-08

Natural gas reciprocating compressor

#114
20180065429
2018-03-08

System for tire inflation

#115
20180023554
2018-01-25

Compressor for discharging a medium

#116
20180011012
2018-01-11

Method for dispensing a product from a container

#117
20180010590
2018-01-11

Load-balanced mud pump assembly

#118
20180009304
2018-01-11

Turbojet automobile

#119
20170363075
2017-12-21

Energy-saving single-dimensional compressor

#120
20170350476
2017-12-07

COMPRESSOR FOR DISCHARGING A MEDIUM

#121
20170335837
2017-11-23

Connector for a compressor assembly

#122
20170282656
2017-10-05

AIR MAINTENANCE TIRE ASSEMBLY

#123
20170276130
2017-09-28

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

#124
20170254324
2017-09-07

Gravitational inversion pump

#125
20170218933
2017-08-03

Reciprocating compressor

#126
20170211428
2017-07-27

Air compressor having supplemental power source

#127
20170204845
2017-07-20

Air compressor

#128
20170146001
2017-05-25

Gas compression device

#129
20170089330
2017-03-30

AIR COMPRESSOR CORE

#130
20170072752
2017-03-16

AIR MAINTENANCE PUMP ASSEMBLY

#131
20170067546
2017-03-09

Power delivery devices for reciprocating engines and related systems and methods

#132
20170058879
2017-03-02

Positive displacement pump

#133
20170028968
2017-02-02

Foreign material removal device

#134
20170016437
2017-01-19

Compressor with crankshaft and insert

#135
20170015159
2017-01-19

Tire inflation system

#136
20160363198
2016-12-15

Power delivery devices for reciprocating engines and related systems and methods

#137
20160354794
2016-12-08

Method for dispensing a product from a container

#138
20160345614
2016-12-01

Storage tank vacuum-pumping device and method for keeping long-time food fresh utilizing storage tank

#139
20160341498
2016-11-24

Membrane heat exchanger system and method

#140
20160341224
2016-11-24

Near-isothermal compressor/expander

#141
20160319813
2016-11-03

Two piece pump rod

#142
20160298763
2016-10-13

PISTON ASSEMBLY FOR AN UNLOADER VALVE OF AN AIR COMPRESSOR

#143
20160298618
2016-10-13

Compressor intake muffler and filter

#144
20160288592
2016-10-06

Device for controlling the pressure in a vehicle tyre

#145
20160281700
2016-09-29

Windshield removal assist device

#146
20160263949
2016-09-15

Automatic truck assembly tire inflator system with dual pump

#147
20160251007
2016-09-01

Pump for integrated brake system

#148
20160250902
2016-09-01

DEVICE FOR CONTROLLING THE PRESSURE IN A VEHICLE TYRE

#149
20160237659
2016-08-18

Device for extracting water from atmospheric air

#150
20160201666
2016-07-14

PRESSURIZING BOOSTER COMPRESSOR

#151
20160195179
2016-07-07

Apparatuses and systems for converting fluid energy to mechanical motion

#152
20160195078
2016-07-07

COMPRESSOR

#153
20160186734
2016-06-30

ONE TURN ACTUATED DURATION SPRAY PUMP MECHANISM

#154
20160185473
2016-06-30

Packaging machine with a fluid pump assembly

#155
20160178084
2016-06-23

Pressure-Setting Regulator

#156
20160177933
2016-06-23

Compressor

#157
20160160416
2016-06-09

Compressed air supplying device of a sewing machine

#158
20160138579
2016-05-19

Epicyclical fluid pump assembly

#159
20160131124
2016-05-12

Reciprocating compressor

#160
20160131123
2016-05-12

Reciprocating compressor

#161
20160123314
2016-05-05

Reciprocating compressor system

#162
20160116032
2016-04-28

Mechanism for converting motion

#163
20160108904
2016-04-21

Pulseless positive displacement pump and method of pulselessly displacing fluid

#164
20160107491
2016-04-21

AIR MAINTENANCE TIRE ASSEMBLY

#165
20160106278
2016-04-21

Vacuum Air Pump and Glass-Wiping Apparatus

#166
20160097379
2016-04-07

Air compressor

#167
20160090974
2016-03-31

COMPRESSOR FOR PRODUCING A PRESSURE MEDIUM

#168
20160084321
2016-03-24

Hydraulic pump with integrated clutch

#169
20160084243
2016-03-24

CRANKSHAFT-TYPE VACUUM AIR PUMP AND GLASS-WIPING APPARATUS THEREOF

#170
20160076963
2016-03-17

Pressure indicator for air compressor

#171
20160076534
2016-03-17

Pen-type pressure indicator for air compressor

#172
20160069335
2016-03-10

HYBRID COMPRESSOR

#173
20160061195
2016-03-03

Compression machine with a body oscillating between two reversal points

#174
20160051740
2016-02-25

Magnet-based systems and methods for transferring fluid

#175
20160032911
2016-02-04

GAS COMPRESSOR

#176
20150377230
2015-12-31

Air compressor

#177
20150369232
2015-12-24

Crank-driven arrangement for a piston compressor

#178
20150367693
2015-12-24

TIRE INFLATION SYSTEM

#179
20150354556
2015-12-10

LIQUID PUMP

#180
20150330381
2015-11-19

Compressor bushing

#181
20150322997
2015-11-12

Connecting rod for an air compressor

#182
20150322934
2015-11-12

Compressor cooled by a temperature controlled fan

#183
20150322933
2015-11-12

Radially configured oil-free compressor

#184
20150300343
2015-10-22

Air compressor

#185
20150300342
2015-10-22

Air compressor of weight-reduction type

#186
20150275881
2015-10-01

One turn actuated duration spray pump mechanism

#187
20150247493
2015-09-03

HIGH PRESSURE TRANSFER MOTOR-PUMP

#188
20150246490
2015-09-03

Compressor system, and puncture repair kit using same

#189
20150240798
2015-08-27

RECIPROCATING COMPRESSOR

#190
20150233368
2015-08-20

Rack and Pinion Driven Gas Compressor

#191
20150233363
2015-08-20

Apparatus, controller and method for controlling the cool down of an aircraft engine rotor

#192
20150231656
2015-08-20

Pump suction/expulsion for liquids and gases versatile

#193
20150226207
2015-08-13

Hydraulic drive system for a pulseless positive displacement pump

#194
20150226206
2015-08-13

Pulseless positive displacement pump and method of pulselessly displacing fluid

#195
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

#196
20150226192
2015-08-13

Electric drive system for a pulseless positive displacement pump

#197
20150204318
2015-07-23

Air compressor with improved noise reduction performance

#198
20150167657
2015-06-18

Pumping system for a wellbore and methods of assembling the same

#199
20150167654
2015-06-18

VARIABLE CAPACITY COMPRESSOR

#200
20150158348
2015-06-11

Compressor for a pneumatic tire and a pneumatic tire comprising a compressor mounted within the tire cavity

#201
20150139819
2015-05-21

Electromagnetic actuator and inertia conservation device for a reciprocating compressor

#202
20150125322
2015-05-07

ROTARY COMPRESSOR

#203
20150093268
2015-04-02

Foot operated snivel suction device

#204
20150078932
2015-03-19

Drive mechanism for rotary compressors or pumps

#205
20150071798
2015-03-12

Air compressor having compact structure

#206
20150064035
2015-03-05

Equipment for rotating a rotor of a peristaltic pump

#207
20150017041
2015-01-15

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

#208
20140377111
2014-12-25

Translo-rotating actuated rotary valves for reciprocating compressors and related methods

#209
20140377092
2014-12-25

Apparatus for drainage by well points

#210
20140377081
2014-12-25

Reciprocating compressors having timing valves and related methods

#211
20140356191
2014-12-04

Tamper resistant hand-operated pneumatic pump

#212
20140322043
2014-10-30

Reciprocating compressor

#213
20140299079
2014-10-09

Device for delivering compressed air for pneumatically operated equipment in motor vehicles

#214
20140294636
2014-10-02

Reciprocating compressor

#215
20140294635
2014-10-02

Natural gas compressor with scissor drive assembly

#216
20140271261
2014-09-18

Automatic Tire Inflator System

#217
20140271260
2014-09-18

WINCHED ROD PUMP APPARATUS AND METHOD

#218
20140199190
2014-07-17

Integrated Foot Pedal Control System for Hydraulic Power Take-Off Assembly for ATV

#219
20140147296
2014-05-29

Cooling device fitted with a compressor

#220
20140105761
2014-04-17

RECIPROCATING COMPRESSOR

#221
20140050599
2014-02-20

Sprocket-driven air pump

#222
20130343930
2013-12-26

Compressor and vacuum machine

#223
20130343925
2013-12-26

Compressor and vacuum machine

#224
20130160641
2013-06-27

Valves with valve closing member attached to the actuated counter-seat and related methods

#225
20130078119
2013-03-28

Bearing arrangement for air compressor

#226
20130071259
2013-03-21

Boundary layer disk turbine systems for controlling pneumatic devices

#227
20120325080
2012-12-27

Gas boosters

#228
20120266831
2012-10-25

V-type block of a crank circular slider mechanism and a cylinder liner, a group of the cylinder liner, mechanical equipment thereof

#229
20120210866
2012-08-23

Reciprocating piston mechanism with extended piston offset

#230
20120192583
2012-08-02

Suction Cutoff Unloader Valve For Compressor Capacity Control

#231
20120189469
2012-07-26

Air compressor

#232
20120177524
2012-07-12

Rotary cylinder device

#233
20120168305
2012-07-05

Reader devices for manipulating multi-fluidic cartridges for sample analysis

#234
20120160041
2012-06-28

CRANKSHAFT-SLIDER ASSEMBLY AND INTERNAL COMBUSTION ENGINE, COMPRESSOR THEREOF

#235
20120152108
2012-06-21

AIR PUMP

#236
20120097025
2012-04-26

DRIVE DEVICE FOR OSCILLATING POSITIVE-DISPLACEMENT MACHINES

#237
20120045347
2012-02-23

Air Compressor

#238
20110198887
2011-08-18

DOUBLE-ACTING PISTON COMPRESSOR OF WHICH THE PISTON IS GUIDED BY A ROLLER AND DRIVEN BY A PINION AND RACKS

#239
20110135510
2011-06-09

Compressor system for supplying compressed air to a commercial vehicle, and method for operating the compressor system

#240
20110129360
2011-06-02

Wheel-mounted air compressor and methods of use

#241
20110085920
2011-04-14

METHOD AND APPARATUS FOR DYNAMIC IMPULSE SIGNAL ATTENUATION SIMULATION

#242
20100303656
2010-12-02

Metering pump and drive device thereof

#243
20100202906
2010-08-12

Safety clamp for walking beam compressor

#244
20100189573
2010-07-29

Rotary pressure production device

#245
20100176591
2010-07-15

RECIPROCATING PISTON MACHINE WITH OSCILLATING BALANCING ROTORS

#246
20100158715
2010-06-24

MUTE COMPRESSOR

#247
20100154442
2010-06-24

Portable refrigerant recovery machine

#248
20100150758
2010-06-17

AIR PUMP

#249
20100147416
2010-06-17

Device for sealing and inflating inflatable object

#250
20100139298
2010-06-10

MOTOR-COMPRESSOR DRIVE APPARATUS

#251
20100111719
2010-05-06

Air compressor having quick coupling device

#252
20090311114
2009-12-17

MULTI-STAGE PISTON COMPRESSOR

#253
20090311112
2009-12-17

Air supply apparatus

#254
20090283191
2009-11-19

Device for generating tire air pressure

#255
20090246037
2009-10-01

Safety clamp for walking beam compressor

#256
20090199724
2009-08-13

Evacuation device

#257
20090191069
2009-07-30

Adjustable motor base for an HVAC&R blower motor

#258
20090100953
2009-04-23

SPEED REDUCTION GEARING MECHANISM FOR PISTON OF AIR COMPRESSOR

#259
20080240943
2008-10-02

Air pump with sheet metal bracket

#260
20080237510
2008-10-02

Valve device for air compressor

#261
20080219861
2008-09-11

Cam driven piston compressor

#262
20080145245
2008-06-19

Compressor for tire inflating combination

#263
20080034960
2008-02-14

Air pump

#264
20070251379
2007-11-01

Air compression apparatus and method of use

#265
20070154332
2007-07-05

Vapor recovery pump

#266
20070098583
2007-05-03

Air compressor having detachable structure

#267
20070077157
2007-04-05

Air compressor having improved valve device

#268
20060245952
2006-11-02

Structure for an air pump

#269
20060239827
2006-10-26

Torque drive mechanism for gas compressor

#270
20060218959
2006-10-05

Refrigerant compressor

#271
20060056991
2006-03-16

Transmission device for an air compressor

#272
20060053830
2006-03-16

Reciprocating axial displacement device

#273
20060006653
2006-01-12

Apparatus for generating power from passing vehicular traffic

#274
20060002801
2006-01-05

Rocker compressor mechanism

#275
20060001267
2006-01-05

Apparatus for generating power from passing vehicular traffic

#276
20050235975
2005-10-27

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