Patents-Review.com
ClassID:

142982 ⎘

F04B39/0292 - 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 -; Lubrication; Constructional details, e.g. reservoirs in the casing Lubrication of pistons or cylinders

Recent Application in this class:
#1
20250369437
2025-12-04

PORTABLE BLOWING AND SUCTION AIR COMPRESSOR

 #2
20250264092
2025-08-21

Fluid Sample Pump System

 #3
20240077065
2024-03-07

Fluid sample pump system

 #4
20230332597
2023-10-19

Oil feeder and linear compressor including the same

 #5
20230034137
2023-02-02

Piston and reciprocating compressor

 #6
20220389918
2022-12-08

Compressor

 #7
20220364553
2022-11-17

Compressor

 #8
20220178361
2022-06-09

Linear compressor

 #9
20220090590
2022-03-24

Linear compressor

 #10
20220049689
2022-02-17

Linear compressor

 #11
20210404455
2021-12-30

Multi-stage compressor

 #12
20210277880
2021-09-09

Linear actuator pumping system

 #13
20210254712
2021-08-19

Lubrication system for a piston pump

 #14
20210123428
2021-04-29

Linear compressor

 #15
20210095655
2021-04-01

Linear compressor

 #16
20210095653
2021-04-01

Linear compressor

 #17
20210095652
2021-04-01

LINEAR COMPRESSOR AND SEALED SYSTEM FOR AN APPLIANCE

 #18
20200284247
2020-09-10

Compressor having intermediate passage capable of conveying accumulated oil to a second compression part and air conditioner including same

 #19
20200149521
2020-05-14

Eccentric sleeve for crankshaft of compressor, crankshaft, crankshaft assembly and compressor

 #20
20200141398
2020-05-07

COOLANT COMPRESSOR

 #21
20200141395
2020-05-07

Axial piston machine and method of extending neutral position for axial piston machine

 #22
20200088181
2020-03-19

Linear compressor

 #23
20200080553
2020-03-12

Linear compressor

 #24
20200056604
2020-02-20

REFRIGERANT COMPRESSOR AND FREEZER INCLUDING SAME

 #25
20200011316
2020-01-09

Linear compressor

 #26
20190331105
2019-10-31

SWASH PLATE COMPRESSOR

 #27
20190224700
2019-07-25

Spray system pressure differential monitoring

 #28
20190186671
2019-06-20

FLOW RESTRICTOR AND GAS COMPRESSOR

 #29
20190118201
2019-04-25

Pump changeover algorithm for spray system

 #30
20190113030
2019-04-18

Shoe and swash plate compressor including the shoe

 #31
20190093647
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

 #32
20190032971
2019-01-31

Refrigerant compressor and freezing apparatus using same

 #33
20180340717
2018-11-29

Refrigerant compressor and refrigeration device including refrigerant compressor

 #34
20180340527
2018-11-29

Refrigerant compressor and refrigeration device including refrigerant compressor

 #35
20180320678
2018-11-08

Reciprocating compressor having a gas bearing

 #36
20180230982
2018-08-16

Linear compressor

 #37
20180198358
2018-07-12

Moveable core-type reciprocating motor and reciprocating compressor having a moveable core-type reciprocating motor

 #38
20180195502
2018-07-12

Linear compressor

 #39
20180128226
2018-05-10

Oil lubricated common rail diesel pump

 #40
20170321684
2017-11-09

Linear compressor

 #41
20170321683
2017-11-09

Linear compressor

 #42
20170321671
2017-11-09

Linear compressor

 #43
20170298931
2017-10-19

Fluidic cylinder

 #44
20170204842
2017-07-20

Reciprocating machine with cylinder having collector groove

 #45
20170016431
2017-01-19

Positive displacement machines and methods of increasing load-carrying capacities thereof

 #46
20160265524
2016-09-15

High-pressure air pump

 #47
20160186736
2016-06-30

Check valve and method and apparatus for extending life of check valve

 #48
20160167076
2016-06-16

Spray system pump wash sequence

 #49
20160158784
2016-06-09

Pump changeover algorithm for spray system

 #50
20160153441
2016-06-02

Spray system pressure differential monitoring

 #51
20160146201
2016-05-26

Multi-point seal lubrication system

 #52
20160017874
2016-01-21

Slide member, refrigerant compressor incorporating slide member, refrigerator and air conditioner

 #53
20150369237
2015-12-24

Linear compressor

 #54
20150369224
2015-12-24

Linear compressor

 #55
20150362112
2015-12-17

Flow restrictor and gas compressor

 #56
20150330680
2015-11-19

HERMETIC COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME

 #57
20150300340
2015-10-22

CONTACT MEMBER, SLIDE MEMBER, COMPRESSOR COMPRISING CONTACT MEMBER OR SLIDE MEMBER, AND MANUFACTURING METHOD OF COMPRESSOR

 #58
20150226203
2015-08-13

Linear compressor

 #59
20150226191
2015-08-13

Reciprocating compressor and method for driving same

 #60
20150086388
2015-03-26

Compressor comprising purging and method for purging the compressor housing with purge gas

 #61
20150078925
2015-03-19

Reciprocating compressor having a gas bearing

 #62
20140202327
2014-07-24

Hydro-pneumatic tensioner with fluid retention device

 #63
20130058815
2013-03-07

Reciprocating compressor with gas bearing

 #64
20110280740
2011-11-17

Ultra-low friction air pump for creating oscillatory or pulsed jets

 #65
20110005266
2011-01-13

Reciprocating piston compressor

 #66
20100046866
2010-02-25

GAS THRUST BEARING AND BEARING BUSH THEREFOR

 #67
20100046862
2010-02-25

LINEAR COMPRESSOR AND GAS THRUST BEARING THEREFOR

 #68
20100043631
2010-02-25

Compressor with Improved Lubrication

 #69
20100021323
2010-01-28

COMPRESSOR COMPRISING A COMPRESSED GAS-ASSISTED PISTON

 #70
20090317263
2009-12-24

Oil pump used in a linear compressor

 #71
20090238701
2009-09-24

Compressor having a piston received on a gas bearing

 #72
20090101442
2009-04-23

Hermetic compressor

 #73
20090095572
2009-04-16

Oil valve assembly of linear compressor

 #74
20080168898
2008-07-17

Air compressor

 #75
20080152521
2008-06-26

Ultra-low friction air pump for creating oscillatory or pulsed jets

 #76
20080000348
2008-01-03

Linear Compressor

 #77
20070289817
2007-12-20

Method and Apparatus for Compressing a Gaseous Medium

 #78
20070148018
2007-06-28

Reciprocating compressor

 #79
20070041853
2007-02-22

Linear compressor, particularly refrigerant compressor

 #80
20060257275
2006-11-16

Linear compressor and lubricating oil pump thereof

 #81
20060216169
2006-09-28

Apparatus for supplying oil of reciprocating compressor

 #82
20060204373
2006-09-14

Hermetic compressor

 #83
20060120891
2006-06-08

Reciprocating compressor for compressing refrigerant

 #84
20060104838
2006-05-18

Integrated eccentric flywheel oil slinger

 #85
20060048523
2006-03-09

Reciprocating compressor for refrigerator

 #86
20050265863
2005-12-01

Hermetic compressor

 #87
20050142009
2005-06-30

Reciprocating compressor

 #88
17989082
2024-03-05

Lube oil replenishment for compressors