ClassID:

143019

F04B39/14 - CPC Classification

Classification description:

Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups - Provisions for readily assembling or disassembling

Recent Application in this class:
#1
20260139671
2026-05-21

APPARATUS AND METHOD FOR MECHANICALLY COUPLING A MOTOR TO A ROTOR OF A PROGRESSIVE CAVITY PUMP

#2
20260139663
2026-05-21

PACKING SEAL ASSEMBLY

#3
20260126034
2026-05-07

Retaining Kit for Securing a Port Nut

#4
20260049606
2026-02-19

A Compressor Unit for Vehicle

#5
20260049603
2026-02-19

VALVE CARTRIDGE ASSEMBLY FOR A FLUID PUMP

#6
20250314244
2025-10-09

COMPRESSOR AND METHOD FOR COMPRESSING A WORKING MEDIUM

#7
20250305585
2025-10-02

FLUID END WITH CLAMPED RETENTION

#8
20250264095
2025-08-21

PACKING SEAL ASSEMBLY

#9
20250264093
2025-08-21

SNAP-ON GETTER PUMP ASSEMBLY AND ITS USE

#10
20250237308
2025-07-24

SELF-LOCKING PLUG

#11
20250222747
2025-07-10

COMPRESSION MODULE FOR VEHICLE

#12
20250214079
2025-07-03

Fluid Processing System with High Pressure Pneumatic Syringe Pump

#13
20250163901
2025-05-22

PISTON FOR A COMPRESSOR, COMPRESSOR, AND METHOD AND REMOVAL TOOL FOR DISASSEMBLING A PISTON

#14
20250154943
2025-05-15

Air Pump Device with Accessories Storage Function

#15
20250136430
2025-05-01

ELECTRIC OIL PUMP

#16
20250128929
2025-04-24

TRANSPORT DEVICE AND TRANSPORT METHOD

#17
20250035097
2025-01-30

Multi-Stage Compressor

#18
20240426288
2024-12-26

Pulsatile Fluid Pump System

#19
20240384712
2024-11-21

PORTABLE AIR PUMP

#20
20240376882
2024-11-14

FLUID PUMPING SYSTEMS, DEVICES AND METHODS

#21
20240344514
2024-10-17

Universal Mount For A Variable Speed Pump Drive User Interface

#22
20240218865
2024-07-04

Packing seal assembly

#23
20240200657
2024-06-20

FLUID END WITH CLAMPED RETENTION

#24
20240139028
2024-05-02

APPARATUS AND METHOD FOR MECHANICALLY COUPLING A MOTOR TO A ROTOR OF A PROGRESSIVE CAVITY PUMP

#25
20240125309
2024-04-18

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

#26
20240117882
2024-04-11

SELF-LOCKING PLUG

#27
20240044235
2024-02-08

HYDRAULIC FRACTURING PUMPS TO ENHANCE FLOW OF FRACTURING FLUID INTO WELLHEADS AND RELATED METHODS

#28
20240035463
2024-02-01

Compressor assembly

#29
20230415546
2023-12-28

Compression module for vehicle

#30
20230407860
2023-12-21

Compressor

#31
20230402884
2023-12-14

MOTOR HAVING A FIRST ROTOR CORE CONTAINING MAGNETS AND A SECOND ROTOR CORE MADE OF MAGNETIC MATERIAL

#32
20230400019
2023-12-14

Fluid pumping systems, devices and methods

#33
20230392487
2023-12-07

HYDRAULIC FRACTURING PUMPS TO ENHANCE FLOW OF FRACTURING FLUID INTO WELLHEADS AND RELATED METHODS

#34
20230332597
2023-10-19

Oil feeder and linear compressor including the same

#35
20230265840
2023-08-24

Multi-Stage Compressor

#36
20230243345
2023-08-03

Linear compressor

#37
20230213032
2023-07-06

Crosshead bushing systems and methods

#38
20230184243
2023-06-15

Universal mount for a variable speed pump drive user interface

#39
20230175497
2023-06-08

Linear compressor

#40
20230160377
2023-05-25

Floor pump

#41
20230151803
2023-05-18

Air compressor

#42
20230128669
2023-04-27

Pump module

#43
20230082868
2023-03-16

Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods

#44
20230060455
2023-03-02

Motor vehicle cooling system with an electric coolant pump

#45
20230047066
2023-02-16

Packing seal assembly

#46
20230032188
2023-02-02

HOLDER FOR FIXING AN ELECTRIC COMPRESSOR

#47
20230026533
2023-01-26

RECIPROCATING COMPRESSOR CYLINDER COVER

#48
20230015085
2023-01-19

HERMETICALLY ENCAPSULATED REFRIGERANT COMPRESSOR

#49
20220412201
2022-12-29

Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods

#50
20220372970
2022-11-24

Fixing device of motor of air compressor

#51
20220372964
2022-11-24

Air compressor

#52
20220372961
2022-11-24

Air compressor

#53
20220372960
2022-11-24

Air compression device

#54
20220372857
2022-11-24

Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods

#55
20220333591
2022-10-20

Piston of air compressor

#56
20220333590
2022-10-20

Air compressor

#57
20220282720
2022-09-08

Fluid end with clamped retention

#58
20220268271
2022-08-25

SYSTEMS AND METHODS FOR CONTROL OF A PUMP MOTOR HAVING PHYSICALLY SEPARATED CONTROL BOARDS

#59
20220265993
2022-08-25

Pulsatile fluid pump system

#60
20220260065
2022-08-18

Reciprocating compressor having a suction acoustic filter with a fastener that deforms when in place

#61
20220243712
2022-08-04

Connecting structure, exhaust silencer, silencer, and compressor

#62
20220235752
2022-07-28

Reciprocating compressor

#63
20220220955
2022-07-14

Method for assembling a high-pressure precompression pump

#64
20220186720
2022-06-16

COMPRESSOR VALVE ASSEMBLY

#65
20220186719
2022-06-16

Linear compressor with a cylinder supported by a support member having bent portions

#66
20220136490
2022-05-05

Apparatus and method of rotational alignment of permanent magnet tandem motors for electrical submersible pump

#67
20220120265
2022-04-21

CYLINDER HEAD FOR PISTON COMPRESSOR

#68
20220106950
2022-04-07

Compressor with piston ring arrangement on piston

#69
20220056899
2022-02-24

Compressor system and method of inserting and pulling out bundle of compressor

#70
20210404453
2021-12-30

Hydraulic fluid pump and retainer assembly for same

#71
20210388828
2021-12-16

Single piece valve plate assembly for a reciprocating compressor, the valve plate assembly including a valve plate and a suction valve retainer that are integrally formed as a unitary body

#72
20210372385
2021-12-02

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

#73
20210348600
2021-11-11

System for retaining a valve assembly in a cavity formed in a cylinder body of a compressor and method of use thereof

#74
20210310472
2021-10-07

COMPRESSOR AND ELECTRONIC DEVICE USING THE SAME

#75
20210301814
2021-09-30

Compressor

#76
20210285435
2021-09-16

Fluid pumping systems, devices and methods

#77
20210262524
2021-08-26

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

#78
20210262460
2021-08-26

Inflatable pump

#79
20210222763
2021-07-22

Integrated gear pump in remote mounted hydraulic control unit

#80
20210172427
2021-06-10

Positioning structure of motor of air compressor

#81
20210163214
2021-06-03

Dual-pump outflowing liquid container

#82
20210079908
2021-03-18

RECIPROCATING COMPRESSOR WITH IMPROVED VALVE CYLINDER ASSEMBLY

#83
20210053710
2021-02-25

SEPARABLE EVACUATION DEVICE

#84
20210048011
2021-02-18

Magnetically driven pump

#85
20210003125
2021-01-07

Unloader for a compressor and servicing thereof and compressor provided with an unloader

#86
20200362975
2020-11-19

Valve assembly for a fluid end with limited access

#87
20200340605
2020-10-29

Vacuum system pipe couplings

#88
20200340467
2020-10-29

Modular vacuum pumping and/or abatement system

#89
20200340466
2020-10-29

Module for a vacuum pumping and/or abatement system

#90
20200318626
2020-10-08

Pump and valve retainer assembly

#91
20200300234
2020-09-24

Module for a vacuum pumping and/or abatement system

#92
20200291928
2020-09-17

Hydraulic fluid pump and retainer assembly for same

#93
20200248683
2020-08-06

Pump assembly

#94
20200208620
2020-07-02

Connection structure for motor of air compressor

#95
20200102953
2020-04-02

Air compressor

#96
20200080661
2020-03-12

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

#97
20200080660
2020-03-12

Hydraulic fluid pump and retainer assembly for same

#98
20200072209
2020-03-05

Oil separator for a compressor and compressor assembly comprising said separator

#99
20200072208
2020-03-05

Two-Parts Telescopic Connecting Rod for Alternative Compressors and Method of Assembling Two-Parts Telescopic Connecting Rod in Alternative Compressors

#100
20200049138
2020-02-13

Structure of fixing bearing of air compressor

#101
20200033010
2020-01-30

Pump assembly and cooking appliance with pump assembly

#102
20200011310
2020-01-09

Mortise-tenon jointed air pump

#103
20200003193
2020-01-02

Self-aligning power screw for syringe pump

#104
20190376862
2019-12-12

Compression device

#105
20190376501
2019-12-12

Cylinder head assembly for reciprocating compressor

#106
20190360479
2019-11-28

Linear compressor

#107
20190353306
2019-11-21

Compressing device and method for carrying out compressing device

#108
20190345931
2019-11-14

Reduced torque lock assembly

#109
20190309743
2019-10-10

Linear compressor

#110
20190309740
2019-10-10

Electric compressor

#111
20190277540
2019-09-12

Cylinder head cover for a refrigerant compressor

#112
20190277290
2019-09-12

Electric compressor having electrical connection unit, and stator assembly for the same

#113
20190264668
2019-08-29

Linear compressor

#114
20190219046
2019-07-18

Introduced in a system for connecting refrigerant fluid discharge tubes to cylinder caps of hermetic compressors, and corresponding process of performing thereof

#115
20190170192
2019-06-06

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

#116
20190170132
2019-06-06

System for mounting a refrigerant compressor housing to a base plate

#117
20190162176
2019-05-30

Enclosure for air compressor

#118
20190162174
2019-05-30

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

#119
20190161934
2019-05-30

Method for installing rotary machine, and rotary machine

#120
20190160915
2019-05-30

Compressor for vehicle

#121
20190093645
2019-03-28

Linear compressor comprising a stator defining a cylinder space for a cylinder supported by a support member with a cylindrical portion, a first bent portion, and a second bent portion configured to support an area of the cylinder in an axial direction

#122
20190061474
2019-02-28

Compressor and a mounting apparatus for mounting the compressor

#123
20190040855
2019-02-07

Compressor having an energy saving apparatus, and method for relieving the compressor

#124
20190032649
2019-01-31

Linear compressor

#125
20190031412
2019-01-31

Sealing cap

#126
20180363642
2018-12-20

Fluid end assembly of a reciprocating pump

#127
20180356128
2018-12-13

Converting compressor to variable VI compressor

#128
20180355857
2018-12-13

Method and system for enhancing performance in a reciprocating compressor

#129
20180340528
2018-11-29

Hand pump with detachable air storage tank

#130
20180340524
2018-11-29

Hand pump with air storage tank

#131
20180328356
2018-11-15

Universal mount for a variable speed pump drive user interface

#132
20180292679
2018-10-11

Glasses with wearing cushion device

#133
20180238311
2018-08-23

Electric vacuum pump, in particular for arranging in a vehicle

#134
20180238310
2018-08-23

Bicycle pump

#135
20180230985
2018-08-16

Compressor comprising an upper shell and a lower shell wherein the upper shell comprises an upper protrusion comprising a first protrusion and a second protrusion comprising a transition and an approximately flat shape

#136
20180223824
2018-08-09

Pump with motor

#137
20180202565
2018-07-19

Air valve connecting device for different inflation valves

#138
20180202429
2018-07-19

INFUSION SYSTEM DISPOSABLE ALIGNMENT SYSTEM

#139
20180198303
2018-07-12

PORTABLE AIR COMPRESSOR WITH DETACHABLE MULTI-FUNCTIONAL START POWER SUPPLY

#140
20180171994
2018-06-21

Linear compressor and refrigerator including a linear compressor

#141
20180156083
2018-06-07

Assembling apparatus for oil pump

#142
20180135615
2018-05-17

Miniature vacuum/pressure diaphragm pumps with noise mitigation boot

#143
20180131246
2018-05-10

Stator, and motor and compressor having the stator

#144
20180119684
2018-05-03

Floor pump

#145
20180066661
2018-03-08

Pump control having repositionable display

#146
20180015803
2018-01-18

Vehicular pump apparatus and vehicular bracket

#147
20170356437
2017-12-14

Head fastening arrangement of cooling compressor

#148
20170356434
2017-12-14

System for connecting refrigerant fluid discharge tubes to cylinder caps of hermetic compressors and process thereof

#149
20170321679
2017-11-09

Single piece valve plate assembly for a reciprocating compressor

#150
20170321678
2017-11-09

Cylinder head assembly for a reciprocating compressor including a cylinder head with an integral valve plate

#151
20170295662
2017-10-12

Electrical device, method for manufacturing electrical device, and electric compressor

#152
20170292514
2017-10-12

Hydraulic machine comprising elongate mounting pads for reducing noise

#153
20170284385
2017-10-05

COUPLING ASSEMBLY FOR A POWER END AND A FLUID END OF A PUMP

#154
20170268493
2017-09-21

Compressor mounting system

#155
20170248140
2017-08-31

Two-cylinder hermetic compressor

#156
20170218932
2017-08-03

Plunger clamp for fluid end

#157
20170211565
2017-07-27

Pump fluid end assembly mounting system

#158
20170207567
2017-07-20

System, method and means for connecting and fixing an electronic control to an airtight compressor and an airtight compressor

#159
20170204848
2017-07-20

Air compressor

#160
20170204845
2017-07-20

Air compressor

#161
20170184084
2017-06-29

Two parts telescopic connecting rod for alternative compressors and method of assembling two-parts telescopic connecting rod in alternative compressors

#162
20170182608
2017-06-29

Installing assembly and heat sink using the same

#163
20170167477
2017-06-15

Bicycle pump

#164
20170122302
2017-05-04

Cylinder head assembly for reciprocating compressor

#165
20170089334
2017-03-30

Reduced torque valve cover lock assembly

#166
20170058889
2017-03-02

Lightweight compressor crankcase assembly and method

#167
20160369909
2016-12-22

Hydraulic valve cover assembly

#168
20160319824
2016-11-03

Device for securing and electrically connecting a sealed compressor

#169
20160273537
2016-09-22

Compressor and method for producing compressor

#170
20160258431
2016-09-08

Air compressor

#171
20160245274
2016-08-25

Reciprocating compressor, compression section unit, and maintenance method of reciprocating compressor

#172
20160237996
2016-08-18

Air compressor

#173
20160222955
2016-08-04

Pump for cryogenic liquids having temperature managed pumping mechanism

#174
20160169216
2016-06-16

Compressor

#175
20160164362
2016-06-09

Coil for a compressor which can be electrically driven, and corresponding production method

#176
20160146199
2016-05-26

Cryogenic pump with insulating arrangement

#177
20160131123
2016-05-12

Reciprocating compressor

#178
20160097383
2016-04-07

Air compressor

#179
20160097379
2016-04-07

Air compressor

#180
20160090987
2016-03-31

Electric compressor

#181
20160025086
2016-01-28

Pump head coupling with twist-lock connections

#182
20160020657
2016-01-21

Inverter-integrated electric compressor

#183
20160017711
2016-01-21

Progressive cavity pump/motor stator including framework elements and grooves defining chambers

#184
20160010633
2016-01-14

Housing and method of manufacturing the same

#185
20150377230
2015-12-31

Air compressor

#186
20150340933
2015-11-26

Inverter-integrated electric compressor

#187
20150337825
2015-11-26

Portable electric inflator

#188
20150330409
2015-11-19

Air compressor system

#189
20150330379
2015-11-19

Air compressor with improved rotating device

#190
20150322931
2015-11-12

Hydraulic pump assembly for a hydraulic vehicle brake system, hydraulic vehicle brake system with such a hydraulic pump assembly and method for manufacturing the hydraulic pump assembly

#191
20150300343
2015-10-22

Air compressor

#192
20150300332
2015-10-22

Manifold including mounting plate for fluid end block of reciprocating pump assembly

#193
20150285236
2015-10-08

Air compressor

#194
20150275884
2015-10-01

Gas discharge system for a refrigeration compressor and a refrigeration compressor

#195
20150275883
2015-10-01

Thermal insulation system for the discharge of gas in a refrigeration compressor

#196
20150273140
2015-10-01

Infusion system disposable alignment system

#197
20150240804
2015-08-27

Piston assembly interlocked with piston actuator being unlockable upon disassembly of pump

#198
20150233368
2015-08-20

Rack and Pinion Driven Gas Compressor

#199
20150226199
2015-08-13

Linear compressor

#200
20150211549
2015-07-30

Auto pump bracket

#201
20150184668
2015-07-02

Air compressor with audible alarm device

#202
20150183102
2015-07-02

Device for removing a valve and cage assembly from a machine

#203
20150159640
2015-06-11

Hermetic compressor

#204
20150147205
2015-05-28

Electric compressor for vehicle air conditioner

#205
20150147202
2015-05-28

PUMP HAVING INTERCHANGEABLE HEADS

#206
20150139825
2015-05-21

High-pressure pump

#207
20150132164
2015-05-14

Compressor and air conditioner having the same

#208
20150122119
2015-05-07

Disposable pumping system and coupler

#209
20150071798
2015-03-12

Air compressor having compact structure

#210
20150040752
2015-02-12

Connecting rod/piston arrangement for alternative compressor and process for assembling connecting rod/piston arrangement for alternative compressor

#211
20150037179
2015-02-05

Motor driven compressor

#212
20150037176
2015-02-05

Compressed air device for allowing the expeditious adjustment of drive belts

#213
20150017026
2015-01-15

Structure of pump

#214
20150004035
2015-01-01

APPARATUSES AND METHODS FOR ACTUATING VALVES

#215
20150004017
2015-01-01

Linear compressor

#216
20140377111
2014-12-25

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

#217
20140334947
2014-11-13

FLUID PUMP SYSTEM

#218
20140322040
2014-10-30

Muffler for compressor and compressor having the same

#219
20140314604
2014-10-23

Compressor with valve pressing portions for sealing

#220
20140314586
2014-10-23

Package type fluid machine

#221
20140271233
2014-09-18

Modular pump platform

#222
20140202656
2014-07-24

Compressor mounting system

#223
20140202326
2014-07-24

Mounting arrangement for a piston-connecting rod assembly in a refrigeration compressor

#224
20140170005
2014-06-19

Liquid supply apparatus

#225
20140056700
2014-02-27

COMPRESSOR INLET HOUSING AND METHOD OF MANUFACTURING

#226
20140020554
2014-01-23

Air Pump Cylinder

#227
20140016269
2014-01-16

Fan chassis, fan unit, and communication device

#228
20140003974
2014-01-02

Motor driven compressor

#229
20140000736
2014-01-02

Compressor manifold assembly

#230
20130330217
2013-12-12

Motor-driven compressor

#231
20130287603
2013-10-31

Hermetic reciprocating compressor

#232
20130256204
2013-10-03

Supporting plate of a device

#233
20130219952
2013-08-29

Hermetically sealed rotary compressor and refrigeration cycle device

#234
20130177460
2013-07-11

Air Pump and Connecting Piece for the Same

#235
20130175768
2013-07-11

Seal cap

#236
20130115120
2013-05-09

Peristaltic pump having a self-closing occlusion bed

#237
20130108486
2013-05-02

MOTOR-DRIVEN COMPRESSOR

#238
20130087040
2013-04-11

Cylinder housing, in particular pump cylinder housing

#239
20130071267
2013-03-21

Electric oil pump with discharge pressure stabilization

#240
20130052056
2013-02-28

Hermetic compressor

#241
20130048102
2013-02-28

Gasket and motor-driven compressor

#242
20130011279
2013-01-10

Secure connection terminal for hermetic compressor

#243
20130011278
2013-01-10

Sealing grommet for connection between terminal housing and interior of sealed compressor

#244
20120308401
2012-12-06

Pump control having repositionable display

#245
20120308378
2012-12-06

Fluid machine provided with hermetic container that is subjected to pressure of working fluid

#246
20120294736
2012-11-22

Fluid Machine

#247
20120282123
2012-11-08

Electric compressor and assembly method thereof

#248
20120261022
2012-10-18

THERMAL ISOLATION, SUITABLE FOR ISOLATING THE GAS DISCHARGE TUBE OF A REFRIGERATING COMPRESSOR, AND A PROCESS OF ASSEMBLING THE ISOLATION IN THE GAS DISCHARGE TUBE

#249
20120251363
2012-10-04

High-pressure pump

#250
20120180652
2012-07-19

Hybrid type air-compressor including combination of eccentric shaft and cross-slider mechanism

#251
20120177516
2012-07-12

Pump housing of a motor vehicle hydraulic unit with at least one main cylinder connection opening

#252
20120076679
2012-03-29

Inverter-integrated electric compressor

#253
20120070321
2012-03-22

Compressor for vehicle

#254
20120063926
2012-03-15

Compressor having a clutch device

#255
20120014817
2012-01-19

Compressed air device for allowing the expeditious adjustment of drive belts

#256
20110280744
2011-11-17

Universal mount for a variable speed pump drive user interface

#257
20110274569
2011-11-10

HERMETIC COMPRESSOR AND MANUFACTURING METHOD THEREOF

#258
20110274564
2011-11-10

Compressor unit

#259
20110243764
2011-10-06

Motor-driven compressor

#260
20110243763
2011-10-06

Motor-driven compressor

#261
20110200465
2011-08-18

Motor direct driven compressor system

#262
20110189010
2011-08-04

METHOD OF MOUNTING A COMPRESSOR BLOCK ON A STATOR AND A COMPRESSOR ARRANGEMENT

#263
20110186709
2011-08-04

DEVICE FOR FASTENING THE HOUSING OF A REFRIGERANT COMPRESSOR

#264
20110158833
2011-06-30

Electric compressor

#265
20110158825
2011-06-30

System and method for modifying an automobile engine for use as a gas compressor

#266
20110150680
2011-06-23

Disposable pumping system and coupler

#267
20110142695
2011-06-16

ELECTRIC COMPRESSOR

#268
20110142536
2011-06-16

Quick-connect mounting apparatus for modular pump system or generator system

#269
20110114818
2011-05-19

Device for fastening the housing of a refrigerant compressor

#270
20110103727
2011-05-05

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