ClassID:

142990

F04B39/06 - 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 - Cooling; Heating; Prevention of freezing

Sub-classes:
Recent Application in this class:
#1
20260110293
2026-04-23

REFRIGERANT COMPRESSOR

#2
20260104040
2026-04-16

CRYOPUMP APPARATUS

#3
20260098527
2026-04-09

ISOLATION HOUSING FOR ELECTRO-HYDRODYNAMIC AIR MOVER DEVICE

#4
20260049606
2026-02-19

A Compressor Unit for Vehicle

#5
20260015999
2026-01-15

TWO-STAGE PUMP AND METHOD OF OPERATION

#6
20250376978
2025-12-11

AIR COMPRESSOR FOR A VEHICLE AIR BRAKING SYSTEM

#7
20250369609
2025-12-04

Exhaust Heat Recovery System

#8
20250347273
2025-11-13

AIR COMPRESSOR

#9
20250243858
2025-07-31

COMPRESSOR ASSEMBLY, AIR SUPPLY SYSTEM, VEHICLE

#10
20250230806
2025-07-17

COMPRESSOR, AND VEHICLE COMPRESSED AIR SYSTEM WITH A COMPRESSOR OF THIS TYPE

#11
20250222747
2025-07-10

COMPRESSION MODULE FOR VEHICLE

#12
20250215870
2025-07-03

DEVICE FOR COMPRESSING A GAS AND METHOD OF ASSEMBLING SUCH DEVICE

#13
20250198402
2025-06-19

PUMP COMPRISING A PRESSURE CHAMBER AND A COOLING SYSTEM

#14
20250188918
2025-06-12

THERMAL MANAGEMENT SYSTEM

#15
20250188915
2025-06-12

TWO-STAGE PUMP AND METHOD OF OPERATION

#16
20250163903
2025-05-22

CONDENSATE BURNOFF

#17
20250154944
2025-05-15

SEMI-HERMETIC REFRIGERANT COMPRESSOR

#18
20250137443
2025-05-01

Pressure Relief System for a Portable Air Pump and Inflator System

#19
20250101971
2025-03-27

COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE COMPRESSED AIR GENERATOR

#20
20250075604
2025-03-06

FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM

#21
20250067266
2025-02-27

OIL-INJECTED COMPRESSOR DEVICE

#22
20240369053
2024-11-07

GAS COMPRESSOR

#23
20240344508
2024-10-17

Mechanical liquid piston slow expansion compressor

#24
20240295214
2024-09-05

METHOD FOR HEAT RECOVERY IN A COMPRESSOR AND A COMPRESSOR

#25
20240287947
2024-08-29

AIR COMPRESSOR CYLINDER HEAD AND AIR COMPRESSOR

#26
20240271607
2024-08-15

HERMETIC TYPE COMPRESSOR

#27
20240263652
2024-08-08

HYDRAULIC UNIT

#28
20240234247
2024-07-11

PIEZOELECTRIC MEMS-BASED ACTIVE COOLING FOR HEAT DISSIPATION IN COMPUTE DEVICES

#29
20240142151
2024-05-02

COMPRESSOR, AND CONTROL METHOD FOR SAME

#30
20240136252
2024-04-25

PIEZOELECTRIC MEMS-BASED ACTIVE COOLING FOR HEAT DISSIPATION IN COMPUTE DEVICES

#31
20240117802
2024-04-11

Hydraulic drive for diaphragm compressor

#32
20240077068
2024-03-07

GAS COOLER

#33
20240068751
2024-02-29

Device for Transferring Heat from a Gaseous Working Medium

#34
20240068462
2024-02-29

Cooling arrangement and method for cooling an at least two-stage compressed air generator

#35
20240035460
2024-02-01

LINEAR COMPRESSOR

#36
20240035363
2024-02-01

Fracturing apparatus and control method thereof, fracturing system

#37
20230422438
2023-12-28

Cooling system and methods

#38
20230415546
2023-12-28

Compression module for vehicle

#39
20230287875
2023-09-14

Apparatus and method for cryogenic pump cooldown

#40
20230279852
2023-09-07

Gas lift compressor system and method for supplying compressed gas to multiple wells

#41
20230272789
2023-08-31

PROCESS FOR INTERNALLY COOLING AN INLINE COMPRESSOR

#42
20230235734
2023-07-27

Compressor system and method for controlling a cooling device of a compressor system

#43
20230213027
2023-07-06

COMPRESSION APPARATUS

#44
20230213026
2023-07-06

VACUUM SYSTEM APPARATUS AND METHOD

#45
20230184252
2023-06-15

Motor-integrated fluid machine

#46
20230175497
2023-06-08

Linear compressor

#47
20230150335
2023-05-18

Air compressor for vehicle and method for controlling temperature of the same

#48
20230087561
2023-03-23

System and method for cooling power electronics of refrigerant compressors

#49
20230037612
2023-02-09

Liquid cooling aftercooler

#50
20230012130
2023-01-12

COMPRESSOR WITH COOLING PUMP

#51
20220389920
2022-12-08

High Volume, Low Pressure Oilless Pump

#52
20220341426
2022-10-27

Heat recovery device

#53
20220341412
2022-10-27

Compressed air generation plant

#54
20220298906
2022-09-22

Fracturing apparatus and control method thereof, fracturing system

#55
20220268529
2022-08-25

Thermal control system

#56
20220243731
2022-08-04

Air compressor

#57
20220213881
2022-07-07

Compressor system and method for supplying compressed gas

#58
20220205688
2022-06-30

Thermo-electric cooler pump methods and systems

#59
20220178360
2022-06-09

Reciprocating compressor

#60
20220170666
2022-06-02

Waste-heat recovery system in oil-cooled gas compressor

#61
20220170488
2022-06-02

Electrical machine

#62
20220163027
2022-05-26

Compressor system, and control method for same

#63
20220154713
2022-05-19

Piston assembly for an unloader valve of an air compressor

#64
20220145874
2022-05-12

ACTIVE OIL INJECTION SYSTEM FOR A DIAPHRAGM COMPRESSOR

#65
20220120264
2022-04-21

COMPRESSOR AND HYDROGEN STATION

#66
20220120263
2022-04-21

COMPRESSOR AND HYDROGEN STATION

#67
20220106954
2022-04-07

Cooling arrangement and method for cooling an at least two-stage compressed air generator

#68
20220106953
2022-04-07

HEAT DISSIPATION ASSEMBLY FOR A LINEAR COMPRESSOR

#69
20220090595
2022-03-24

Gas lift compressor system and method for supplying compressed gas to multiple wells

#70
20210404455
2021-12-30

Multi-stage compressor

#71
20210372388
2021-12-02

Internally cooled inline drive compressor

#72
20210348808
2021-11-11

REFRIGERANT COMPRESSOR AND EQUIPMENT USING THE SAME

#73
20210348604
2021-11-11

Gas lift compressor system and method for supplying compressed gas to multiple wells

#74
20210333023
2021-10-28

Heat dissipation assembly for a linear compressor

#75
20210324851
2021-10-21

Piezoelectric pump having a heat-dissipating arrangement

#76
20210301802
2021-09-30

Variable Displacement Compressor

#77
20210277880
2021-09-09

Linear actuator pumping system

#78
20210246892
2021-08-12

Electric drive compressor system

#79
20210215147
2021-07-15

Package type fluid machine

#80
20210215142
2021-07-15

DC voltage air conditioning compressor drive unit

#81
20210190060
2021-06-24

Liquid-cooled type compressor having first and second nozzle injection ports with different characteristics

#82
20210190056
2021-06-24

Air compressors for use with a vehicle

#83
20210183743
2021-06-17

Two-dimensional addessable array of piezoelectric MEMS-based active cooling devices

#84
20210180582
2021-06-17

CYLINDER HEAD FOR A COMPRESSOR

#85
20210164459
2021-06-03

Electric compressor

#86
20210143084
2021-05-13

Piezoelectric MEMS-based active cooling for heat dissipation in compute devices

#87
20210131412
2021-05-06

Scroll compressor of lower compression type enabling active oil supply

#88
20210123427
2021-04-29

Plate fin heat exchanger for pump assembly

#89
20210102540
2021-04-08

Package-type compressor

#90
20210082786
2021-03-18

Electrohydrodynamic control device

#91
20210033085
2021-02-04

Device and method for compressing a working medium

#92
20210024219
2021-01-28

Compressor temperature control system and method

#93
20200412205
2020-12-31

Motor cooling systems

#94
20200408201
2020-12-31

Aftercooler for cooling compressed working fluid

#95
20200392952
2020-12-17

Variable frequency drive and method of its air cooling

#96
20200392951
2020-12-17

Cooling block for multi-cylinder air compressor

#97
20200332785
2020-10-22

Two stage air compressor

#98
20200300246
2020-09-24

Package-type compressor

#99
20200240415
2020-07-30

Oil feed type air compressor

#100
20200240403
2020-07-30

Reciprocating piston machine with cooling device

#101
20200238622
2020-07-30

Device for producing skin care pack using hydrogel, and control method thereof

#102
20200164301
2020-05-28

Compressor installation with drying device for compressed gas and method for drying compressed gas

#103
20200158377
2020-05-21

Waste-heat recovery system in oil-cooled gas compressor

#104
20200149793
2020-05-14

Compressor with fluid cavity for cooling

#105
20200141399
2020-05-07

Lattice-cored additive manufactured compressor components with fluid delivery features

#106
20200132063
2020-04-30

PUMP UNIT

#107
20200119626
2020-04-16

Electric pump

#108
20200080752
2020-03-12

Compressor and refrigerator having the same

#109
20200038799
2020-02-06

Compressed-air drying device

#110
20200003197
2020-01-02

Hypocycloid compressor

#111
20190390668
2019-12-26

Two-stage high-pressure pump with high sealing performance

#112
20190376936
2019-12-12

Systems, devices, and methods for controlling the temperature of a CO2 pump

#113
20190376535
2019-12-12

Liquid-pressure driving system

#114
20190360478
2019-11-28

Cryopump

#115
20190360477
2019-11-28

Cryopump

#116
20190329654
2019-10-31

Motor housing for an electric compressor of an air conditioning system

#117
20190309744
2019-10-10

Miniature cooling system

#118
20190309626
2019-10-10

Packaged compressor housing

#119
20190293067
2019-09-26

CRYOGENIC PUMP

#120
20190264669
2019-08-29

High-viscosity pumping system

#121
20190257552
2019-08-22

Gas compression cooling system

#122
20190234391
2019-08-01

Linear compressor

#123
20190226729
2019-07-25

Cooling system for air conditioner

#124
20190195212
2019-06-27

Electric compressor

#125
20190162202
2019-05-30

Compressor module

#126
20190159826
2019-05-30

Smoke evacuation device inlet and outlet manifolds

#127
20190154024
2019-05-23

Method for protecting an electric motor of a device with a motor driven consumer with a continuous capacity control system and choice of such a motor

#128
20190136843
2019-05-09

Air Compressor

#129
20190113251
2019-04-18

Waste-Heat Recovery System in Oil-Cooled Gas Compressor

#130
20190107312
2019-04-11

Linear compressor with heat shield between discharge cover and frame

#131
20190093672
2019-03-28

Cooling device and compressor system

#132
20190089228
2019-03-21

Electric compressor for vehicle, and method for manufacturing electric compressor for vehicle

#133
20190078563
2019-03-14

Linear compressor

#134
20190055884
2019-02-21

Inverter generator

#135
20190049161
2019-02-14

Axial flow compressor for HVAC chiller systems

#136
20190048865
2019-02-14

Piston compressor with enlarged regulating region

#137
20190041107
2019-02-07

Compressor assembly with directed suction

#138
20190041106
2019-02-07

Compressor assembly with directed suction

#139
20190040851
2019-02-07

Multiphase production boost method and system

#140
20190032650
2019-01-31

Apparatus and method for gas compression

#141
20190024651
2019-01-24

Air compressor having an oil separator, an oil cooler, first and second evaporators, and wherein intake air and the oil are simultaneously cooled in the first and second evaporators

#142
20190017508
2019-01-17

Variable speed compressor protection system and method

#143
20190003469
2019-01-03

HEAT EXCHANGE UNIT

#144
20190003468
2019-01-03

Portable pump

#145
20190003425
2019-01-03

System for supplying compressed gas to several gas-fed devices

#146
20180363976
2018-12-20

Booster system

#147
20180347877
2018-12-06

Compressor cooling system

#148
20180328637
2018-11-15

Refrigeration cycle apparatus

#149
20180320927
2018-11-08

Waste-heat recovery system in oil-cooled gas compressor

#150
20180299912
2018-10-18

Mixing valve arrangement for a hydraulic system, including an oil cooling system and compressor system

#151
20180283776
2018-10-04

Instrument air system and method

#152
20180283368
2018-10-04

DETERMINING QUALITY OF GAS FOR ROTATING EQUIPMENT IN A PETROCHEMICAL PLANT OR REFINERY

#153
20180266405
2018-09-20

CRYOGENIC PUMP SYSTEM

#154
20180258952
2018-09-13

Compressor module for compressing gas and compressor equipped therewith

#155
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

#156
20180230984
2018-08-16

Internally cooled inline drive compressor

#157
20180230793
2018-08-16

Tool and method for actively cooling downhole electronics

#158
20180216610
2018-08-02

DEVICE AND METHOD FOR CONTROLLING TEMPERATURE OF LOW-TEMPERATURE PUMP

#159
20180202445
2018-07-19

PUMP SYSTEM

#160
20180195504
2018-07-12

Linear compressor

#161
20180195503
2018-07-12

FLUID COMPRESSOR

#162
20180180061
2018-06-28

Fluid machine

#163
20180154302
2018-06-07

Compressor installation with drying device for compressed gas and method for drying compressed gas

#164
20180142681
2018-05-24

Near isothermal machine

#165
20180135613
2018-05-17

Microfluidic fan

#166
20180128253
2018-05-10

Compressor system for generating compressed air, as well as method for operating a compressor system that generates compressed air

#167
20180112902
2018-04-26

Compressor crankcase heating control systems and methods

#168
20180112657
2018-04-26

System and method for controlling moisture within an air compressor assembly

#169
20180104658
2018-04-19

Method for manufacturing and utilizing high-density air

#170
20180076681
2018-03-15

Electric compressor motor housing, and vehicle-mounted electric compressor employing same

#171
20180058735
2018-03-01

Heat pump device with separately spaced components

#172
20180058734
2018-03-01

Heat pump device

#173
20180051443
2018-02-22

ELECTRIC ROTATING DEVICE

#174
20180030972
2018-02-01

ELECTRIC COMPRESSOR

#175
20180003179
2018-01-04

Electric compressor

#176
20170363075
2017-12-21

Energy-saving single-dimensional compressor

#177
20170356431
2017-12-14

SYSTEM AND METHOD FOR MULTI-LEVEL VACUUM GENERATION AND STORAGE

#178
20170355921
2017-12-14

Compressor for refrigeration and air conditioning, and refrigeration and air conditioning device

#179
20170341757
2017-11-30

Compressor temperature control system and method

#180
20170335837
2017-11-23

Connector for a compressor assembly

#181
20170314547
2017-11-02

Gas Compression System

#182
20170295662
2017-10-12

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

#183
20170276136
2017-09-28

FLUID MACHINE

#184
20170218966
2017-08-03

Vacuum system

#185
20170218935
2017-08-03

HOUSING UPPER PART OF A LABYRINTH PISTON COMPRESSOR AND METHOD FOR COOLING SAME, AND LABYRINTH PISTON COMPRESSOR

#186
20170218933
2017-08-03

Reciprocating compressor

#187
20170214293
2017-07-27

Electric compressor

#188
20170211869
2017-07-27

Sealed system for an appliance

#189
20170203742
2017-07-20

Method for operating a pneumatic system of a vehicle

#190
20170198696
2017-07-13

Compressor with fluid cavity for cooling

#191
20170167480
2017-06-15

Electric compressor

#192
20170167442
2017-06-15

Device, system, and method for pressurizing and supplying fluid

#193
20170159872
2017-06-08

Skeleton base for a compressor system

#194
20170146000
2017-05-25

Gas compression system and method of compressing gas using the gas compression system

#195
20170130720
2017-05-11

Liquid-cooled compressor and method for operating same

#196
20170101985
2017-04-13

Oil lubricated compressor

#197
20170059242
2017-03-02

Gas displacement pump assembly

#198
20170058889
2017-03-02

Lightweight compressor crankcase assembly and method

#199
20170058879
2017-03-02

Positive displacement pump

#200
20170051740
2017-02-23

Variable speed compressor protection system and method

#201
20160377229
2016-12-29

Pressure vessel

#202
20160327316
2016-11-10

Inverter-integrated electric compressor

#203
20160305413
2016-10-20

PRESSURE VESSEL GRADED MEDIA FOR HEAT EXCHANGE IN A COMPRESSION SYSTEM

#204
20160298885
2016-10-13

Compressor assembly with directed suction

#205
20160288597
2016-10-06

DEVICE FOR CONTROLLING THE PRESSURE IN A VEHICLE TYRE

#206
20160280062
2016-09-29

WIND POWERED VEHICLE SYSTEM

#207
20160274071
2016-09-22

Liquid carbon dioxide delivery pump, and supercritical fluid chromatograph provided with the same

#208
20160273818
2016-09-22

Compressor crankcase heating control systems and methods

#209
20160265541
2016-09-15

Inflator

#210
20160195080
2016-07-07

Hermetic reciprocating compressor for mobile application provided with a movement limiting assembly

#211
20160195079
2016-07-07

Suspension for hermetic reciprocating compressor for mobile applications and method of assembly of the suspension for hermetic reciprocating compressor for mobile application

#212
20160186757
2016-06-30

Compressor with a closed loop water cooling system

#213
20160186737
2016-06-30

HERMETIC ELECTRICAL FEEDTHROUGH ASSEMBLY FOR A COMPRESSOR

#214
20160186735
2016-06-30

Compressor with an acoustic attenuator device

#215
20160185184
2016-06-30

Vehicle air conditioning device, electric compressor, and vehicle air conditioning method

#216
20160160852
2016-06-09

Multiphase production boost method and system

#217
20160146199
2016-05-26

Cryogenic pump with insulating arrangement

#218
20160138578
2016-05-19

AIR COMPRESSOR ASSEMBLY HAVING A CONDENSATE MANAGEMENT SYSTEM

#219
20160076542
2016-03-17

Compressor with flooded start control

#220
20160061505
2016-03-03

Compressor crankcase heating control systems and methods

#221
20160061503
2016-03-03

Compressor for a refrigerating plant and refrigerating plant comprising said compressor

#222
20160061197
2016-03-03

Thermal-operated pump

#223
20150362212
2015-12-17

Waste-heat recovery system in oil-cooled gas compressor

#224
20150361984
2015-12-17

Air compressor with drain pipe arrangement

#225
20150354553
2015-12-10

Compression device having connection unit for cooling unit

#226
20150338134
2015-11-26

Heat pump device for vehicle

#227
20150330409
2015-11-19

Air compressor system

#228
20150322934
2015-11-12

Compressor cooled by a temperature controlled fan

#229
20150319839
2015-11-05

Device having heat sink

#230
20150300337
2015-10-22

COMPRESSOR

#231
20150292513
2015-10-15

Semi-hermetic compressor motor for ammonia service

#232
20150285240
2015-10-08

System for managing a vehicle compressor

#233
20150275884
2015-10-01

Gas discharge system for a refrigeration compressor and a refrigeration compressor

#234
20150275883
2015-10-01

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

#235
20150245536
2015-08-27

Heat dissipating device and electronic apparatus

#236
20150219095
2015-08-06

SEALING GLOVE FOR A CYLINDER OF A COMPRESSOR, COMPRESSOR AND COOLING APPLIANCE

#237
20150219085
2015-08-06

Hermetic compressor and refrigeration apparatus

#238
20150219083
2015-08-06

Vehicle Air Compressor Apparatus for a Heavy Vehicle Air Braking System

#239
20150211514
2015-07-30

Piston rod for a piston compressor, and the piston compressor

#240
20150167663
2015-06-18

Compressor for a vehicle air supply system

#241
20150159649
2015-06-11

Refrigerant compressor and refrigeration cycle device

#242
20150075205
2015-03-19

Compressor crankcase heating control systems and methods

#243
20150030468
2015-01-29

Compressor device and method for controlling such a compressor device

#244
20150023818
2015-01-22

Air compression system and cooling structure thereof

#245
20150000867
2015-01-01

Compression apparatus and cooler unit with support structure for cooler unit

#246
20140377102
2014-12-25

Compressor assembly having electronics cooling system and method

#247
20140377097
2014-12-25

Motor-driven compressor

#248
20140369858
2014-12-18

Device and method for preparing liquified natural gas (LNG) fuel

#249
20140369857
2014-12-18

DEVICE FOR IMPROVED HEAT TRANSFER WITHIN A COMPRESSION AND/OR EXPANSION SYSTEM

#250
20140363317
2014-12-11

Vacuum pump having an adjustable housing

#251
20140356196
2014-12-04

Natural gas compressor

#252
20140348671
2014-11-27

Air compressor provided with belt guard

#253
20140318747
2014-10-30

Compressing device

#254
20140298846
2014-10-09

Variable frequency drive heat sink assembly

#255
20140268433
2014-09-18

System and method for protection of a compressor with an aluminum winding motor

#256
20140255209
2014-09-11

Crankcase heater systems and methods for variable speed compressors

#257
20140216103
2014-08-07

Compressor cooling system

#258
20140216102
2014-08-07

Compressor cooling system

#259
20140208938
2014-07-31

Cylinder head for a two-stage reciprocating piston compressor

#260
20140138451
2014-05-22

Compressor crankcase heating control systems and methods

#261
20140076443
2014-03-20

Hollow valve plate

#262
20140069139
2014-03-13

Compressor assembly with directed suction

#263
20140044569
2014-02-13

COMPRESSOR COOLING SYSTEM USING HEAT EXCHANGER PRE-CONDENSER, AND COMPRESSOR PROVIDED FROM A COOLING SYSTEM

#264
20140026549
2014-01-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#265
20140008038
2014-01-09

Thermal transferring method and structural device utilizing thermal energy body performing vibration displacement (relative) to fluid

#266
20140007569
2014-01-09

Isothermal machines, systems and methods

#267
20140003967
2014-01-02

Fluid heating apparatus and method

#268
20130305760
2013-11-21

Heat pump device, heat pump system, and method for controlling three-phase inverter

#269
20130280103
2013-10-24

Reciprocating-piston pump with plain bearing traversed by flow

#270
20130251564
2013-09-26

Compressor and vacuum machine

#271
20130240043
2013-09-19

Variable speed compressor protection system and method

#272
20130230415
2013-09-05

RECIPROCATING COMPRESSOR WITH HIGH FREEZING EFFECT

#273
20130224051
2013-08-29

COMPRESSOR AND VACUUM MACHINE

#274
20130180273
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