Patents-Review.com
ClassID:

142969 ⎘

F04B39/0094 - 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 - crankshaft

Recent Application in this class:
#1
20260132776
2026-05-14

DRY-SUMP RECIPROCATING PISTON COMPRESSOR WITH LUBRICANT CIRCUIT

 #2
20260110293
2026-04-23

REFRIGERANT COMPRESSOR

 #3
20260043397
2026-02-12

MODULAR POWER END

 #4
20250382953
2025-12-18

HEAD MODULE FOR AIR COMPRESSOR AND AIR COMPRESSOR INCLUDING SAME

 #5
20250243854
2025-07-31

MODULAR POWER END

 #6
20250122869
2025-04-17

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

 #7
20250084839
2025-03-13

REDUCED HEAT EXCHANGE RECIPROCATING COMPRESSOR

 #8
20250035097
2025-01-30

Multi-Stage Compressor

 #9
20250012265
2025-01-09

COMPRESSED AIR COMPRESSOR AND AIR SUPPLY SYSTEM

 #10
20240418158
2024-12-19

RECIPROCATING COMPRESSOR

 #11
20240401579
2024-12-05

Core of dual-motor driven inflatable pump

 #12
20240344508
2024-10-17

Mechanical liquid piston slow expansion compressor

 #13
20240254981
2024-08-01

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

 #14
20240209846
2024-06-27

COMPRESSOR AND MANUFACTURING METHOD THEREFOR

 #15
20240084765
2024-03-14

Compression emissions evacuator

 #16
20230407915
2023-12-21

RECIPROCATING COMPRESSOR

 #17
20230265840
2023-08-24

Multi-Stage Compressor

 #18
20230213032
2023-07-06

Crosshead bushing systems and methods

 #19
20230204022
2023-06-29

Air compressor system having a hollow piston forming an interior space and a check valve in a piston crown allowing air to exit the interior space

 #20
20230074965
2023-03-09

HEAT PUMPS AND FLUID PUMPS THEREFOR

 #21
20230048353
2023-02-16

Air compressor with ramped head deck

 #22
20230003210
2023-01-05

PUMP ASSEMBLY

 #23
20230003207
2023-01-05

Modular power end

 #24
20220252060
2022-08-11

Gas transport and pressurization system

 #25
20220170449
2022-06-02

Crankshaft, compressor, and refrigeration device

 #26
20220145991
2022-05-12

PACKAGING RING WITH DIAGONAL RELIEF OPENING

 #27
20220145872
2022-05-12

HERMETIC COMPRESSOR

 #28
20220136494
2022-05-05

Packaging ring with relief opening

 #29
20220106951
2022-04-07

Modular power end

 #30
20220099183
2022-03-31

PACKAGING RING WITH WEAR OPENING

 #31
20220099080
2022-03-31

Compressor and air conditioner

 #32
20220090596
2022-03-24

COMPRESSOR AND REFRIGERATION DEVICE

 #33
20220082094
2022-03-17

Pump body assembly, compressor and air conditioner

 #34
20220074399
2022-03-10

Compressor

 #35
20220042502
2022-02-10

PISTON COMPRESSOR AND METHOD IN WHICH SUCH A PISTON COMPRESSOR IS USED

 #36
20210372385
2021-12-02

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

 #37
20210372384
2021-12-02

Piston compressor

 #38
20210340967
2021-11-04

REFRIGERANT COMPRESSOR AND REFRIGERATION APPARATUS USING THE SAME

 #39
20210262524
2021-08-26

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

 #40
20210222684
2021-07-22

Vehicle-mounted electric oil-free air compressor

 #41
20210215445
2021-07-15

Heat exchanger array system and method for an air thermal conditioner

 #42
20210215148
2021-07-15

METHOD AND EQUIPMENT FOR IMPROVING THE EFFICIENCY OF COMPRESSORS AND REFRIGERATORS

 #43
20210180588
2021-06-17

Reciprocating compressor-expander

 #44
20210123426
2021-04-29

HERMETIC REFRIGERANT COMPRESSOR AND REFRIGERATOR-FREEZER USING THE SAME

 #45
20210079949
2021-03-18

Compressor having curved connecting rods

 #46
20210062798
2021-03-04

Sealed refrigerant compressor and refrigeration device

 #47
20210003121
2021-01-07

PROCESS FOR OPERATING A SINGLE-STROKE COMBUSTION ENGINE

 #48
20200277946
2020-09-03

Dual engine-compressor system

 #49
20200158100
2020-05-21

REFRIGERANT COMPRESSOR

 #50
20200149520
2020-05-14

SEALED REFRIGERANT COMPRESSOR AND REFRIGERATION DEVICE INCLUDING SAME

 #51
20200102953
2020-04-02

Air compressor

 #52
20200102947
2020-04-02

Compressor, compressed air supply facility for operating a pneumatic system, and method for operating a compressed air supply facility

 #53
20200088188
2020-03-19

CONTROL DEVICE AND METHOD FOR OPERATING A REFRIGERANT COMPRESSOR

 #54
20200056604
2020-02-20

REFRIGERANT COMPRESSOR AND FREEZER INCLUDING SAME

 #55
20200040880
2020-02-06

Dual engine-compressor system

 #56
20190390668
2019-12-26

Two-stage high-pressure pump with high sealing performance

 #57
20190376497
2019-12-12

Compressor

 #58
20190338774
2019-11-07

Compressor for refrigerating machine

 #59
20190285061
2019-09-19

COMPRESSOR

 #60
20190170192
2019-06-06

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

 #61
20190162174
2019-05-30

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

 #62
20190160915
2019-05-30

Compressor for vehicle

 #63
20190093649
2019-03-28

Reciprocating type compressor

 #64
20190093647
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

 #65
20190093646
2019-03-28

Reciprocating type compressor

 #66
20190055935
2019-02-21

Reciprocating compressor and control method therefor

 #67
20190032971
2019-01-31

Refrigerant compressor and freezing apparatus using same

 #68
20190010938
2019-01-10

Small air compressor

 #69
20190010937
2019-01-10

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

 #70
20180372079
2018-12-27

Portable pump

 #71
20180363646
2018-12-20

Diaphragm pump

 #72
20180355449
2018-12-13

High toughness martensitic stainless steel and reciprocating pump manufactured therewith

 #73
20180291883
2018-10-11

Compressor with adaptable transmission with respect to the motive source

 #74
20180266406
2018-09-20

Double-piston compressor of a compressed-air supply device

 #75
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

 #76
20180223820
2018-08-09

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

 #77
20180209407
2018-07-26

Reciprocating Compressor with Vented Discharge Valve

 #78
20180163871
2018-06-14

Device and method for extending the lifespan of a shaft seal for an open-drive compressor

 #79
20180156217
2018-06-07

Refrigeration cycle device with motor speed estimator

 #80
20180156209
2018-06-07

Rotary Valve for a Reversible Compressor

 #81
20180112902
2018-04-26

Compressor crankcase heating control systems and methods

 #82
20180100493
2018-04-12

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

 #83
20180087493
2018-03-29

Compression unit for a volumetric compressor without lubrification

 #84
20180073493
2018-03-15

Spin pump with spun-epicyclic geometry having piston bores capped with caps including ducts or valves within the rotor

 #85
20180031280
2018-02-01

HERMETIC REFRIGERANT COMPRESSOR AND REFRIGERATION APPARATUS

 #86
20180010593
2018-01-11

AIR COMPRESSOR PUMP WITH CONDENSING CHAMBER

 #87
20170335837
2017-11-23

Connector for a compressor assembly

 #88
20170306941
2017-10-26

Hermetic compressor and refrigeration device

 #89
20170268492
2017-09-21

Closed compressor and refrigeration device

 #90
20170254322
2017-09-07

AIR COMPRESSOR MADE OF A LIGHT METAL

 #91
20170248130
2017-08-31

DUAL SERVICE COMPRESSOR SYSTEM FOR CONDITIONING HYDROCARBON GAS

 #92
20170241412
2017-08-24

Piston compressor and refrigeration system having the same

 #93
20170227046
2017-08-10

Bearing arrangement for a reciprocating compressor

 #94
20170218934
2017-08-03

Crankcase assembly for a reciprocating machine

 #95
20170218933
2017-08-03

Reciprocating compressor

 #96
20170218932
2017-08-03

Plunger clamp for fluid end

 #97
20170122300
2017-05-04

Variable displacement swash plate compressor

 #98
20170096997
2017-04-06

Variable capacity reciprocating compressor

 #99
20170082096
2017-03-23

Reciprocating Refrigeration Compressor and Method for Mounting a Reciprocating Refrigeration Compressor

 #100
20170074259
2017-03-16

Compressor piston shape to reduce clearance volume

 #101
20170030349
2017-02-02

Compressor valve health monitor

 #102
20170016437
2017-01-19

Compressor with crankshaft and insert

 #103
20170009758
2017-01-12

SEALED COMPRESSOR AND REFRIGERATION DEVICE

 #104
20160348664
2016-12-01

BASE UNIT FOR ASSEMBLING A CRANKCASE OF A RECIPROCAL COMPRESSOR

 #105
20160348663
2016-12-01

MICRO COMPRESSOR

 #106
20160348661
2016-12-01

A COMPRESSOR TRAIN WITH A STIRLING ENGINE

 #107
20160341498
2016-11-24

Membrane heat exchanger system and method

 #108
20160341224
2016-11-24

Near-isothermal compressor/expander

 #109
20160341188
2016-11-24

A COMPRESSED NATURAL GAS SYSTEM AND METHOD

 #110
20160341187
2016-11-24

RECIPROCATING MOTOR-COMPRESSOR WITH INTEGRATED STIRLING ENGINE

 #111
20160319809
2016-11-03

Compressor

 #112
20160305422
2016-10-20

Valve connector for integral high pressure cylinder unloader valve

 #113
20160305414
2016-10-20

Railway vehicle air compressor with integral high pressure cylinder unloader valve

 #114
20160281701
2016-09-29

Method and equipment for improving the efficiency of compressors and refrigerators

 #115
20160273579
2016-09-22

SEALED COMPRESSOR AND REFRIGERATION UNIT INCLUDING SEALED COMPRESSOR

 #116
20160245278
2016-08-25

Reciprocating compressor with vapor injection system

 #117
20160245274
2016-08-25

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

 #118
20160238000
2016-08-18

Air inlet control for air compressor

 #119
20160222954
2016-08-04

Reciprocating compressor

 #120
20160201666
2016-07-14

PRESSURIZING BOOSTER COMPRESSOR

 #121
20160201661
2016-07-14

Sealed compressor and freezer device or refrigerator equipped with same

 #122
20160177933
2016-06-23

Compressor

 #123
20160169216
2016-06-16

Compressor

 #124
20160123314
2016-05-05

Reciprocating compressor system

 #125
20160116071
2016-04-28

REFRIGERANT COMPRESSOR SHAFT SEAL

 #126
20160115949
2016-04-28

Piston drive device

 #127
20160108908
2016-04-21

Compressor and crankshaft-connecting rod assembly

 #128
20160084243
2016-03-24

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

 #129
20160076542
2016-03-17

Compressor with flooded start control

 #130
20160076541
2016-03-17

Compressor with flooded start control

 #131
20160061505
2016-03-03

Compressor crankcase heating control systems and methods

 #132
20160055737
2016-02-25

Reciprocating machinery monitoring system and method

 #133
20160053755
2016-02-25

Control Valve And Variable Capacity Compressor Provided With Said Control Valve

 #134
20160001624
2016-01-07

Compressor arrangement for compressed air supply facility

 #135
20150369526
2015-12-24

SEALED COMPRESSOR AND REFRIGERATION DEVICE

 #136
20150369232
2015-12-24

Crank-driven arrangement for a piston compressor

 #137
20150338143
2015-11-26

Electric compressor

 #138
20150337964
2015-11-26

Device and method for extending the lifespan of a shaft seal for an open-drive compressor

 #139
20150330382
2015-11-19

Hermetic rotary compressor

 #140
20150330381
2015-11-19

Compressor bushing

 #141
20150330379
2015-11-19

Air compressor with improved rotating device

 #142
20150323409
2015-11-12

Multi-range on-site full-automatic pressure calibration instrument

 #143
20150322997
2015-11-12

Connecting rod for an air compressor

 #144
20150322937
2015-11-12

OIL-FREE COMPRESSOR CRANKCASE COOLING ARRANGEMENT

 #145
20150322936
2015-11-12

High pressure bidirectional miniature electric gas pump

 #146
20150322933
2015-11-12

Radially configured oil-free compressor

 #147
20150316044
2015-11-05

Discharge reed valve for reciprocating refrigeration compressor

 #148
20150300342
2015-10-22

Air compressor of weight-reduction type

 #149
20150300332
2015-10-22

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

 #150
20150275876
2015-10-01

Variable displacement swash plate compressor

 #151
20150267743
2015-09-24

Bearing arrangements in a refrigeration reciprocating compressor

 #152
20150246490
2015-09-03

Compressor system, and puncture repair kit using same

 #153
20150240798
2015-08-27

RECIPROCATING COMPRESSOR

 #154
20150198185
2015-07-16

Compressed gas energy storage system

 #155
20150147208
2015-05-28

Air compressor

 #156
20150147203
2015-05-28

Compressor

 #157
20150098841
2015-04-09

Spin pump with spun-epicyclic geometry

 #158
20150078932
2015-03-19

Drive mechanism for rotary compressors or pumps

 #159
20150075369
2015-03-19

OIL-FREE AIR COMPRESSOR FOR RAIL VEHICLES WITH AIR VENTILATION

 #160
20150030478
2015-01-29

Sealed compressor and refrigeration unit comprising sealed compressor

 #161
20140369873
2014-12-18

Compressor for pressurized fluid output

 #162
20140308141
2014-10-16

SEALED COMPRESSOR AND REFRIGERATOR INCLUDING SEALED COMPRESSOR

 #163
20140294636
2014-10-02

Reciprocating compressor

 #164
20140270613
2014-09-18

Radial roller bearing, rotary machine including radial roller bearing, and method for designing radial roller bearing

 #165
20140060319
2014-03-06

Adjustable linkage for variable displacement

 #166
20130336765
2013-12-19

Crankshaft for an alternative cooling compressor

 #167
20130323030
2013-12-05

Bearing arrangement for a reciprocating compressor

 #168
20130160580
2013-06-27

Crank circular sliding block mechanism, parts thereof, and equipment therefrom

 #169
20120315176
2012-12-13

Rotary cylinder device

 #170
20120312105
2012-12-13

MECHANISM FOR TRANSFORMING CIRCULAR MOTION INTO TRANSLATIONAL MOTION TO DRIVE THE PISTON OF A CNG COMPRESSOR

 #171
20120269662
2012-10-25

Mounting arrangement for an eccentric shaft in a refrigeration compressor

 #172
20120251364
2012-10-04

Piston compressor

 #173
20120247141
2012-10-04

Reciprocating Refrigeration Compressor Oil Sealing

 #174
20120211945
2012-08-23

SEALING PACKING FOR A RECIPROCATING PISTON ROD OF A RECIPROCATING COMPRESSOR

 #175
20120210866
2012-08-23

Reciprocating piston mechanism with extended piston offset

 #176
20120192710
2012-08-02

Oil-free air compressor for rail vehicles

 #177
20120180652
2012-07-19

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

 #178
20120107154
2012-05-03

Soft-start hermetic compressor

 #179
20120063926
2012-03-15

Compressor having a clutch device

 #180
20120023973
2012-02-02

METHOD AND EQUIPMENT FOR IMPROVING THE EFFICIENCY OF COMPRESSORS AND REFRIGERATORS

 #181
20120020819
2012-01-26

Bush bearing fabricating method thereof and hermetic compressor having the same

 #182
20120020817
2012-01-26

Reciprocating compressor

 #183
20120020815
2012-01-26

COMPRESSOR AND OXYGEN CONDENSING DEVICE

 #184
20110289960
2011-12-01

RECIPROCATING COMPRESSOR AND REFRIGERATING MACHINE HAVING THE SAME

 #185
20110274575
2011-11-10

COMPRESSOR, IN PARTICULAR A RADIAL PISTON COMPRESSOR FOR CARBON DIOXIDE AS A REFRIGERANT

 #186
20110252960
2011-10-20

MECHANICAL VENTILATOR

 #187
20110252903
2011-10-20

MECHANICAL VENTILATOR

 #188
20110232416
2011-09-29

Anti-abrasion device and reciprocating compressor having the same

 #189
20110217189
2011-09-08

REFRIGERANT COMPRESSOR

 #190
20110200462
2011-08-18

Sealed compressor

 #191
20110129371
2011-06-02

Closed type compressor

 #192
20110079036
2011-04-07

Refrigerant recovery machine with improved cam wheel assembly

 #193
20100322790
2010-12-23

Reciprocating compressor

 #194
20100158712
2010-06-24

COMPRESSOR WITH DUAL OUTBOARD SUPPORT BEARINGS

 #195
20100158711
2010-06-24

COMPRESSOR

 #196
20100129244
2010-05-27

HERMETIC COMPRESSOR

 #197
20100061866
2010-03-11

Direct crankshaft of air compressor

 #198
20100047093
2010-02-25

Compressor

 #199
20090217902
2009-09-03

METHOD FOR ASSEMBLING A CRANKSHAFT DRIVE AND PISTON COMPRESSOR

 #200
20090199811
2009-08-13

Crankshaft beam piston engine or machine

 #201
20090188249
2009-07-30

Regeneration system

 #202
20090155107
2009-06-18

Mechanism For The Recovery Of Energy In Self-Propelled Vehicles

 #203
20090116982
2009-05-07

HERMETIC RECIPROCATING COMPRESSOR WITH THRUST BALL BEARING

 #204
20080247890
2008-10-09

Recriprocating Compressor

 #205
20080219861
2008-09-11

Cam driven piston compressor

 #206
20080169157
2008-07-17

Lip seal lubrication reservoir and method of level control

 #207
20080145247
2008-06-19

Hermetic compressor

 #208
20080141855
2008-06-19

Efficiencies for cam-drive piston engines or machines

 #209
20080092384
2008-04-24

Installation of Middle Bearing for a Crankshaft

 #210
20080080993
2008-04-03

Hermetic compressor

 #211
20080003119
2008-01-03

Radial type reciprocating compressor and portable tool powering system with flexing connecting rod arrangement

 #212
20080003112
2008-01-03

Radial type reciprocating compressor and portable tool powering system with cylinder liner, valve and annular manifold arrangement

 #213
20080003111
2008-01-03

Portable pneumatic power supply and compressor systems and methods thereof

 #214
20080000318
2008-01-03

COMPRESSOR CRANKSHAFT, PARTICULARLY REFRIGERANT COMPRESSOR CRANKSHAFT, AND METHOD FOR GRINDING SUCH A CRANKSHAFT

 #215
20070292282
2007-12-20

RECIPROCATING COMPRESSOR OR PUMP AND A PORTABLE TOOL POWERING SYSTEM INCLUDING A RECIPROCATING COMPRESSOR

 #216
20070264139
2007-11-15

Air compressor having stabilized structure

 #217
20070212236
2007-09-13

Portable air/gas compressor

 #218
20070166175
2007-07-19

Axial bearing arrangement in a hermetic compressor

 #219
20070110599
2007-05-17

Plunger piston compressor for refrigerants

 #220
20070056552
2007-03-15

Efficiencies for piston engines or machines

 #221
20070022759
2007-02-01

Dynamic system for refrigeration equipment

 #222
20070020126
2007-01-25

Hermetic compressor

 #223
20060196353
2006-09-07

Reciprocating-piston machine for motor vehicles

 #224
20060191370
2006-08-31

Compressor crankshaft

 #225
20060180019
2006-08-17

Piston balancing system

 #226
20060171824
2006-08-03

Compressor connecting rod bearing design

 #227
20060153710
2006-07-13

Hermetic compressor

 #228
20060104839
2006-05-18

Air compressor including a disk oil slinger assembly

 #229
20050287026
2005-12-29

Low density counterweight for eccentric driven pump

 #230
20050186090
2005-08-25

Inside frame of compressor

 #231
20050112002
2005-05-26

Crankcase sealing apparatus

 #232
20050100458
2005-05-12

Pump with transfer tube

 #233
20050098222
2005-05-12

Flapper valve mounting structure

 #234
20050074351
2005-04-07

Pump cylinder seal

 #235
20050069431
2005-03-31

Piston mounting and balancing system

 #236
20050008502
2005-01-13

Axial bearing arrangement for a hermetic compressor