ClassID:

143012

F04B39/121 - 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 -; Casings; Cylinders; Cylinder heads; Fluid connections Casings

Recent Application in this class:
#1
20260139668
2026-05-21

RECIPROCATING PUMP POWER END WITH MONOLITHIC CORE

#2
20260139663
2026-05-21

PACKING SEAL ASSEMBLY

#3
20260132775
2026-05-14

MODULAR PIEZOELECTRIC CERAMIC PUMP

#4
20260110293
2026-04-23

REFRIGERANT COMPRESSOR

#5
20260102557
2026-04-16

PUMP MECHANISM WITH DOUBLE RESERVOIR AND STATIONARY FLUID PORTS

#6
20260098527
2026-04-09

ISOLATION HOUSING FOR ELECTRO-HYDRODYNAMIC AIR MOVER DEVICE

#7
20260092601
2026-04-02

COMPRESSOR ASSEMBLY

#8
20260077934
2026-03-19

INTEGRATED BOX FOR VACUUM BUCKET AND VACUUM BUCKET

#9
20260049606
2026-02-19

A Compressor Unit for Vehicle

#10
20260022691
2026-01-22

COMPACT AIR COMPRESSOR

#11
20260002710
2026-01-01

REFRIGERATING APPARATUS USING NON-AZEOTROPIC MIXED REFRIGERANT

#12
20250389269
2025-12-25

RECIPROCATING PUMP POWER END WITH MONOLITHIC CORE

#13
20250389265
2025-12-25

Reciprocating Compressor And Fluid Injection System

#14
20250389264
2025-12-25

Reciprocating Compressor And Fluid Injection System

#15
20250389263
2025-12-25

RECIPROCATING COMPRESSOR AND FLUID INJECTION SYSTEM

#16
20250382954
2025-12-18

FILTER DEVICE FOR AIR COMPRESSOR

#17
20250361858
2025-11-27

Air Station

#18
20250336573
2025-10-30

ELECTRICAL FEEDTHROUGH ASSEMBLY WITH INSULATION ELEMENT

#19
20250264095
2025-08-21

PACKING SEAL ASSEMBLY

#20
20250215869
2025-07-03

INVERTER-INTEGRATED ELECTRIC COMPRESSOR

#21
20250215867
2025-07-03

RECIPROCATING COMPRESSOR

#22
20250188931
2025-06-12

COMPRESSOR SEALING ELEMENT ARRANGEMENT NEAR STATOR FOR CONTROLLING A GASEOUS FLUID FLOW THERETHROUGH

#23
20250188916
2025-06-12

CRYOPUMP

#24
20250154943
2025-05-15

Air Pump Device with Accessories Storage Function

#25
20250146484
2025-05-08

ELECTRIC COMPRESSOR

#26
20250137443
2025-05-01

Pressure Relief System for a Portable Air Pump and Inflator System

#27
20250136430
2025-05-01

ELECTRIC OIL PUMP

#28
20250122869
2025-04-17

GREENHOUSE GAS REDUCTION WITH EXTERNALLY PRESSURIZED GAS SEAL AND GAS LUBRICATION FOR A RECIPROCATING COMPRESSOR

#29
20250101973
2025-03-27

MULTIFUNCTIONAL INFLATION PUMP

#30
20250092866
2025-03-20

AIR PUMP WITH PRESSURE INDICATION

#31
20250012264
2025-01-09

Electric Air Pump

#32
20240401579
2024-12-05

Core of dual-motor driven inflatable pump

#33
20240392769
2024-11-28

AIR COMPRESSOR

#34
20240376878
2024-11-14

ASSEMBLY FOR COMPRESSING GAS, METHOD FOR COOLING, AND USE OF SUCH AN ASSEMBLY

#35
20240376876
2024-11-14

DUAL-PURPOSE AIR PUMP

#36
20240369051
2024-11-07

Portable electric inflator

#37
20240328407
2024-10-03

MACHINE ACCESSORY WITH FAN-INTEGRATED COVER

#38
20240305163
2024-09-12

ELECTRIC COMPRESSOR

#39
20240271607
2024-08-15

HERMETIC TYPE COMPRESSOR

#40
20240263633
2024-08-08

FLUID TRANSFER PUMP

#41
20240254981
2024-08-01

Greenhouse gas reduction with externally pressurized gas seal and gas lubrication for a reciprocating compressor

#42
20240218865
2024-07-04

Packing seal assembly

#43
20240183347
2024-06-06

COOLING FOR AN ELECTRICALLY OPERATED DISPLACEMENT PUMP

#44
20240167464
2024-05-23

HIGH-PRESSURE, HIGH-FLOW INFLATABLE MOVEMENT

#45
20240159230
2024-05-16

Compressor intake muffler and filter

#46
20240141901
2024-05-02

PORTABLE WATER PUMP ASSEMBLY

#47
20240125318
2024-04-18

IN-VEHICLE INFLATOR

#48
20240117801
2024-04-11

TERMINAL UNIT AND COMPRESSOR

#49
20240084791
2024-03-14

Air pump with automatic air pumping function

#50
20240042968
2024-02-08

Vehicle cleaning device, manufacturing method thereof, and assembly method thereof

#51
20240042126
2024-02-08

PUMP MECHANISM WITH DOUBLE RESERVOIR AND STATIONARY FLUID PORTS

#52
20240035463
2024-02-01

Compressor assembly

#53
20240024188
2024-01-25

AIR PULSE GENERATOR

#54
20230407860
2023-12-21

Compressor

#55
20230354532
2023-11-02

GAS COMPRESSOR

#56
20230340950
2023-10-26

Damper system and acoustic bushing for a vehicle

#57
20230318393
2023-10-05

System comprising a cooling device for a machine enclosed in a pressurized casing

#58
20230258167
2023-08-17

AIR FILTER APPARATUS

#59
20230243346
2023-08-03

Portable air compressor

#60
20230238734
2023-07-27

AN ELECTRIC COMPRESSOR WITH A HERMETIC TERMINAL

#61
20230213032
2023-07-06

Crosshead bushing systems and methods

#62
20230184241
2023-06-15

Sealing assembly with repositionable seal

#63
20230175497
2023-06-08

Linear compressor

#64
20230167815
2023-06-01

Electric compressor

#65
20230163546
2023-05-25

Sealing cover and molding method thereof

#66
20230151803
2023-05-18

Air compressor

#67
20230151801
2023-05-18

Linear compressor

#68
20230087038
2023-03-23

Compressor

#69
20230076485
2023-03-09

Compressor

#70
20230070087
2023-03-09

HOUSING FOR A VACUUM PUMP

#71
20230067061
2023-03-02

Rotary compressor

#72
20230060455
2023-03-02

Motor vehicle cooling system with an electric coolant pump

#73
20230054192
2023-02-23

Suspension system, compressor assembly and portable oxygen concentrator

#74
20230048404
2023-02-16

Two-dimensional engine

#75
20230047066
2023-02-16

Packing seal assembly

#76
20230034730
2023-02-02

MULTI-CYLINDER RECIPROCATING COMPRESSOR

#77
20230033477
2023-02-02

Motor-driven compressor

#78
20230032188
2023-02-02

HOLDER FOR FIXING AN ELECTRIC COMPRESSOR

#79
20230031688
2023-02-02

HERMETICALLY ENCAPSULATED REFRIGERANT COMPRESSOR

#80
20230031253
2023-02-02

Fluid transfer pump

#81
20230022916
2023-01-26

Apparatus for damping pressure pulsation for a compressor of a gaseous fluid

#82
20230019752
2023-01-19

Rotary compressor and home appliance including the same

#83
20230015085
2023-01-19

HERMETICALLY ENCAPSULATED REFRIGERANT COMPRESSOR

#84
20220412338
2022-12-29

PERSONAL AIR SAMPLING PUMP ASSEMBLY

#85
20220412332
2022-12-29

Pump body, compressor, and heat exchange apparatus

#86
20220403833
2022-12-22

Bicycle tire pump

#87
20220389922
2022-12-08

Expansion chamber for progressive sealing system

#88
20220389919
2022-12-08

Compressor

#89
20220389918
2022-12-08

Compressor

#90
20220381238
2022-12-01

PUMP NOISE ATTENUATOR AND METHOD THEREOF

#91
20220379789
2022-12-01

Air pump device and seat apparatus

#92
20220372970
2022-11-24

Fixing device of motor of air compressor

#93
20220372964
2022-11-24

Air compressor

#94
20220372961
2022-11-24

Air compressor

#95
20220372960
2022-11-24

Air compression device

#96
20220372959
2022-11-24

Air Compression Device

#97
20220364553
2022-11-17

Compressor

#98
20220333591
2022-10-20

Piston of air compressor

#99
20220333590
2022-10-20

Air compressor

#100
20220307503
2022-09-29

Compressor sealing element arrangement near stator for controlling gaseous fluid flow there through

#101
20220290904
2022-09-15

REFRIGERATING APPARATUS USING NON-AZEOTROPIC MIXED REFRIGERANT

#102
20220282720
2022-09-08

Fluid end with clamped retention

#103
20220243713
2022-08-04

Cabinet mounted air compressor with negative cabinet pressure

#104
20220243712
2022-08-04

Connecting structure, exhaust silencer, silencer, and compressor

#105
20220235752
2022-07-28

Reciprocating compressor

#106
20220228585
2022-07-21

POWERED PUMP UNITS FOR VACUUM CUPS, POWERED VACCUM CUP DEVICES, AND METHODS FOR APPLYING A VACCUM TO A VACCUM CUP

#107
20220205441
2022-06-30

Linear compressor

#108
20220196010
2022-06-23

ELASTIC BODY AND LINEAR COMPRESSOR INCLUDING THE SAME

#109
20220186719
2022-06-16

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

#110
20220178361
2022-06-09

Linear compressor

#111
20220178360
2022-06-09

Reciprocating compressor

#112
20220170488
2022-06-02

Electrical machine

#113
20220118825
2022-04-21

Electrical coolant drive

#114
20220105903
2022-04-07

Vehicle cleaning device, manufacturing method thereof, and assembly method thereof

#115
20220094101
2022-03-24

Sealing cover and molding method thereof

#116
20220082094
2022-03-17

Pump body assembly, compressor and air conditioner

#117
20220074398
2022-03-10

Air compressor

#118
20220056899
2022-02-24

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

#119
20220056898
2022-02-24

MOTOR COMPRESSOR

#120
20220056897
2022-02-24

Hermetic compressor

#121
20220049690
2022-02-17

Hermetic compressor

#122
20220042501
2022-02-10

Air compressor

#123
20220025877
2022-01-27

Compressor

#124
20220018343
2022-01-20

AIR INFLATOR DEVICE

#125
20210372385
2021-12-02

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

#126
20210356175
2021-11-18

Reciprocating-type compressor for refrigeration and/or conditioning and/or heat pump system

#127
20210324851
2021-10-21

Piezoelectric pump having a heat-dissipating arrangement

#128
20210301814
2021-09-30

Compressor

#129
20210301807
2021-09-30

HIGH-POWER FIVE CYLINDER PLUNGER PUMP

#130
20210293457
2021-09-23

Aluminum compressor with sacrificial cladding

#131
20210293233
2021-09-23

Vibration damping structure for a compressor and a compressor including vibration damping structure

#132
20210289670
2021-09-16

Package-type fluid machine

#133
20210283961
2021-09-16

AUTOMATIC ELECTRONIC AIR PUMP

#134
20210262460
2021-08-26

Inflatable pump

#135
20210246887
2021-08-12

FLUID PUMP DEVICE

#136
20210239106
2021-08-05

Electric compressor

#137
20210231115
2021-07-29

Electric compressor

#138
20210231114
2021-07-29

Compressor intake muffler and filter

#139
20210215262
2021-07-15

Air inflation device

#140
20210215148
2021-07-15

METHOD AND EQUIPMENT FOR IMPROVING THE EFFICIENCY OF COMPRESSORS AND REFRIGERATORS

#141
20210215147
2021-07-15

Package type fluid machine

#142
20210215145
2021-07-15

Compressor

#143
20210215144
2021-07-15

Compressor

#144
20210215142
2021-07-15

DC voltage air conditioning compressor drive unit

#145
20210199100
2021-07-01

Air compressor

#146
20210190623
2021-06-24

Display structure of pressure gauge of air compressor

#147
20210190092
2021-06-24

Easy access fan motor assemblies

#148
20210190059
2021-06-24

Linear compressor

#149
20210190056
2021-06-24

Air compressors for use with a vehicle

#150
20210180580
2021-06-17

Compressor

#151
20210180578
2021-06-17

Linear compressor and device mounted with the same

#152
20210164459
2021-06-03

Electric compressor

#153
20210163214
2021-06-03

Dual-pump outflowing liquid container

#154
20210156378
2021-05-27

Pump having a passage extending between a cam plate oil reservoir and a bearing oil reservoir

#155
20210156377
2021-05-27

Pump with symmetrical mounting holes for asymmetrical mounting arrangement

#156
20210123440
2021-04-29

Pump assemblies configured for drive and pump end interchangeability

#157
20210108633
2021-04-15

REFRIGERANT COMPRESSOR

#158
20210102540
2021-04-08

Package-type compressor

#159
20210095655
2021-04-01

Linear compressor

#160
20210095654
2021-04-01

Piston for compressor and compressor having same

#161
20210088040
2021-03-25

Linear compressor

#162
20210079930
2021-03-18

Inflator with an air guiding sleeve

#163
20210079905
2021-03-18

Method of reducing air compressor noise

#164
20210071655
2021-03-11

Sound attenuation arrangement for an inverter cover of an electric compressor

#165
20210071652
2021-03-11

Inflator with motor fixing ring

#166
20210054832
2021-02-25

Linear compressor

#167
20210048011
2021-02-18

Magnetically driven pump

#168
20210033168
2021-02-04

Vibration isolation system

#169
20210010712
2021-01-14

Outdoor unit for air-conditioning apparatus

#170
20210003122
2021-01-07

Linear compressor

#171
20200400132
2020-12-24

Reciprocating pump

#172
20200395836
2020-12-17

Linear motor and linear compressor having same

#173
20200393083
2020-12-17

PUMP WITH ANGLED DRAIN SYSTEM

#174
20200392955
2020-12-17

Personal air sampling pump assembly with diaphragm damping portion

#175
20200386217
2020-12-10

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

#176
20200362841
2020-11-19

Bicycle tire pump

#177
20200340605
2020-10-29

Vacuum system pipe couplings

#178
20200340467
2020-10-29

Modular vacuum pumping and/or abatement system

#179
20200340466
2020-10-29

Module for a vacuum pumping and/or abatement system

#180
20200332788
2020-10-22

SUPER-POWER FIVE-CYLINDER PLUNGER PUMP

#181
20200332785
2020-10-22

Two stage air compressor

#182
20200325883
2020-10-15

Vehicular electric compressor

#183
20200318638
2020-10-08

Method for manufacturing compressor casing, casing blank, and compressor casing

#184
20200318627
2020-10-08

Pump

#185
20200318622
2020-10-08

Linear compressor

#186
20200318621
2020-10-08

Linear compressor

#187
20200309107
2020-10-01

Motor-driven compressor

#188
20200300246
2020-09-24

Package-type compressor

#189
20200300234
2020-09-24

Module for a vacuum pumping and/or abatement system

#190
20200284246
2020-09-10

Vacuum pumping device and food processor

#191
20200248703
2020-08-06

Hermetic compressor

#192
20200248683
2020-08-06

Pump assembly

#193
20200232465
2020-07-23

Adaptive connector position for high/low voltage inverter

#194
20200232449
2020-07-23

BOOSTING DEVICE

#195
20200218216
2020-07-09

Generator system architecture

#196
20200208622
2020-07-02

Compressor and outdoor unit of air-conditioning apparatus

#197
20200208620
2020-07-02

Connection structure for motor of air compressor

#198
20200173432
2020-06-04

Electrical grounding assembly arrangement for reciprocating compressor

#199
20200173428
2020-06-04

Foot pump and stow system

#200
20200166254
2020-05-28

Linear compressor

#201
20200166034
2020-05-28

ELECTRONIC COMPRESSOR

#202
20200149526
2020-05-14

Quick-Exhaust Diaphragm Pump

#203
20200088182
2020-03-19

Electric Pump

#204
20200072207
2020-03-05

Belt guard comprising a compressor silencer

#205
20200056602
2020-02-20

Air compressor

#206
20200032792
2020-01-30

Compressor including terminal protection structure

#207
20200032783
2020-01-30

Positive displacement pump with shaft-mounted sleeve

#208
20200003454
2020-01-02

Linear compressor

#209
20200003201
2020-01-02

Linear compressor

#210
20200003200
2020-01-02

Linear compressor

#211
20190376862
2019-12-12

Compression device

#212
20190376501
2019-12-12

Cylinder head assembly for reciprocating compressor

#213
20190376497
2019-12-12

Compressor

#214
20190368554
2019-12-05

Clutch and compressor comprising same

#215
20190360479
2019-11-28

Linear compressor

#216
20190353154
2019-11-21

Linear compressor

#217
20190353152
2019-11-21

CASE FOR ACCOMMOCATING AIR COMPRESSOR

#218
20190353151
2019-11-21

ELECTRIC AIR PUMP

#219
20190346052
2019-11-14

Portable inflation device

#220
20190338763
2019-11-07

Portable air compressor

#221
20190331121
2019-10-31

Device for driving a compressor and method for assembling of the device

#222
20190316576
2019-10-17

COMPRESSOR HOUSING AND METHOD FOR ASSEMBLING A COMPRESSOR HOUSING

#223
20190309746
2019-10-10

Linear compressor

#224
20190309743
2019-10-10

Linear compressor

#225
20190309742
2019-10-10

Linear compressor

#226
20190301490
2019-10-03

On-vehicle motor-driven compressor

#227
20190285333
2019-09-19

Refrigerator vibration isolating compressor mount

#228
20190271302
2019-09-05

Apparatus for controlling linear compressor and control method of apparatus for controlling linear compressor

#229
20190264668
2019-08-29

Linear compressor

#230
20190249655
2019-08-15

Compressor and processing method therefor

#231
20190242373
2019-08-08

Fluid End for a Pump

#232
20190234402
2019-08-01

Reciprocating compressor

#233
20190234392
2019-08-01

Semi-Hermetic Refrigerant Compressor

#234
20190226468
2019-07-25

Air compressor unit

#235
20190226466
2019-07-25

Linear compressor

#236
20190212242
2019-07-11

Gas detecting device

#237
20190193349
2019-06-27

Combination structure for a hose connected between an air compressor and a tire

#238
20190186481
2019-06-20

Cryogenic pump flange

#239
20190178538
2019-06-13

Linear compressor

#240
20190176548
2019-06-13

System for tire inflation

#241
20190170132
2019-06-06

System for mounting a refrigerant compressor housing to a base plate

#242
20190170131
2019-06-06

Intake pulsation damper of swash plate-type compressor

#243
20190162202
2019-05-30

Compressor module

#244
20190162176
2019-05-30

Enclosure for air compressor

#245
20190162174
2019-05-30

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

#246
20190161934
2019-05-30

Method for installing rotary machine, and rotary machine

#247
20190160915
2019-05-30

Compressor for vehicle

#248
20190136840
2019-05-09

Reciprocating pump

#249
20190131848
2019-05-02

Cover assembly for on-board electric equipment and method of manufacturing the cover assembly

#250
20190128366
2019-05-02

Vibration isolation system

#251
20190128265
2019-05-02

Gas supplying apparatus

#252
20190128252
2019-05-02

Gas transportation device

#253
20190120231
2019-04-25

Separator device for separating a fluid, in particular a lubricant, from a coolant

#254
20190120221
2019-04-25

Reciprocating compressor and method for manufacturing a reciprocating compressor

#255
20190105954
2019-04-11

Automatic electronic air pump

#256
20190093650
2019-03-28

Reciprocating type compressor

#257
20190093648
2019-03-28

VERSATILE HOUSING OF COMPRESSOR MOTORS

#258
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

#259
20190063423
2019-02-28

Gas transportation device

#260
20190063422
2019-02-28

Gas transportation device

#261
20190063418
2019-02-28

Gas transportation device

#262
20190063414
2019-02-28

Pressurized fluid supply apparatus and method of supplying pressurized fluid

#263
20190060943
2019-02-28

Gas transportation device

#264
20190055940
2019-02-21

Air circulation control device

#265
20190052144
2019-02-14

Compressor

#266
20190052070
2019-02-14

Electric wire lead-in part structure of electric compressor, and electric compressor and shield electric wire provided with same

#267
20190032666
2019-01-31

Refrigerant compressor unit

#268
20190032649
2019-01-31

Linear compressor

#269
20190031412
2019-01-31

Sealing cap

#270
20190024649
2019-01-24

PLASTIC AIR PUMP MOVEMENT

#271
20190023105
2019-01-24

Vehicle-mounted device

#272
20190017497
2019-01-17

Portable Air Compressor

#273
20190008070
2019-01-03

Device for radiating heat of capacitor of an inverter in an electric compressor

#274
20190003597
2019-01-03

Compressor system

#275
20190003468
2019-01-03

Portable pump

#276
20180372082
2018-12-27

Linear compressor

#277
20180372080
2018-12-27

Linear compressor

#278
20180372079
2018-12-27

Portable pump

#279
20180354081
2018-12-13

Fluid end and method of manufacturing it

#280
20180335027
2018-11-22

Discharge conduit connection for a compressor

#281
20180320680
2018-11-08

Compressor Housing

#282
20180306178
2018-10-25

Blower

#283
20180298889
2018-10-18

Manual pump

#284
20180291892
2018-10-11

Discharge valve keeper and plunger cover for high pressure pumps

#285
20180289056
2018-10-11

Smoking apparatus with a pump and a method of using same

#286
20180266420
2018-09-20

Electric compressor

#287
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

#288
20180238314
2018-08-23

Air inflating device and tire repair machine comprising same

#289
20180238313
2018-08-23

Compressor with a discharge muffler

#290
20180238310
2018-08-23

Bicycle pump

#291
20180230993
2018-08-16

Ceramic pump and casting therefor

#292
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

#293
20180230983
2018-08-16

Compressor intake muffler and filter

#294
20180230982
2018-08-16

Linear compressor

#295
20180223825
2018-08-09

RECIPROCATING COMPRESSOR AND METHOD OF MANUFACTURING A RECIPROCATING COMPRESSOR

#296
20180223824
2018-08-09

Pump with motor

#297
20180216612
2018-08-02

Portable air compressor

#298
20180212503
2018-07-26

Moving core type reciprocating motor and compressor

#299
20180209423
2018-07-26

Rotary compressor with vapor injection system

#300
20180209408
2018-07-26

Compact voice coil driven high flow fluid pumps and methods