Patents-Review.com
ClassID:

142980 ⎘

F04B39/0276 - 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 characterised by the compressor type the pump being of the reciprocating piston type, e.g. oscillating, free-piston compressors

Recent Application in this class:
#1
20260078747
2026-03-19

COMPRESSOR OIL INJECTION COOLING

 #2
20250369437
2025-12-04

PORTABLE BLOWING AND SUCTION AIR COMPRESSOR

 #3
20250264092
2025-08-21

Fluid Sample Pump System

 #4
20250075692
2025-03-06

RECIPROCATING COMPRESSOR WITH DUAL OIL PUMP

 #5
20250052236
2025-02-13

OIL SUPPLY DEVICE FOR COMPRESSOR, COMPRESSOR, AND REFRIGERATION EQUIPMENT

 #6
20250052235
2025-02-13

OIL SUPPLY DEVICE FOR COMPRESSOR, COMPRESSOR, AND REFRIGERATION EQUIPMENT

 #7
20240102459
2024-03-28

LINEAR COMPRESSOR

 #8
20240077065
2024-03-07

Fluid sample pump system

 #9
20240068461
2024-02-29

Compressor crankcase oil reclamation system

 #10
20230332597
2023-10-19

Oil feeder and linear compressor including the same

 #11
20220412333
2022-12-29

PISTON COMPRESSOR AND METHOD FOR OPERATING A PISTON COMPRESSOR

 #12
20220307359
2022-09-29

Control method and control device applied to electric fracturing apparatus

 #13
20220220954
2022-07-14

SYSTEM AND METHOD OF STARTING AIR COMPRESSOR IN LOW-TEMPERATURE STATE

 #14
20220186719
2022-06-16

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

 #15
20220178361
2022-06-09

Linear compressor

 #16
20220082094
2022-03-17

Pump body assembly, compressor and air conditioner

 #17
20220049689
2022-02-17

Linear compressor

 #18
20210333023
2021-10-28

Heat dissipation assembly for a linear compressor

 #19
20210332950
2021-10-28

Compression apparatus and filling station comprising such an apparatus

 #20
20200355176
2020-11-12

LINEAR COMPRESSOR WITH OIL SPLASH SHIELD

 #21
20200347841
2020-11-05

CRANKSHAFT

 #22
20200284247
2020-09-10

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

 #23
20200158100
2020-05-21

REFRIGERANT COMPRESSOR

 #24
20200088181
2020-03-19

Linear compressor

 #25
20200088180
2020-03-19

Compressor having oil guide path

 #26
20200011316
2020-01-09

Linear compressor

 #27
20190093658
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

 #28
20190093647
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

 #29
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

 #30
20190032971
2019-01-31

Refrigerant compressor and freezing apparatus using same

 #31
20190010938
2019-01-10

Small air compressor

 #32
20180340527
2018-11-29

Refrigerant compressor and refrigeration device including refrigerant compressor

 #33
20180230986
2018-08-16

DOUBLE-HEADED SWASH PLATE-TYPE COMPRESSOR

 #34
20180195503
2018-07-12

FLUID COMPRESSOR

 #35
20170321673
2017-11-09

Linear compressor and method for manufacturing a linear compressor

 #36
20170241412
2017-08-24

Piston compressor and refrigeration system having the same

 #37
20170218931
2017-08-03

Linear compressor

 #38
20170167479
2017-06-15

Reciprocating compressor crankshaft adapter and method

 #39
20170114782
2017-04-27

Constructive Arrangement Introduced in a Reciprocating Compressor Including a Lubricant Oil Pump

 #40
20170101985
2017-04-13

Oil lubricated compressor

 #41
20170023181
2017-01-26

HYDROGEN COMPRESSOR AND HYDROGEN FILLING SYSTEM

 #42
20170022984
2017-01-26

POROUS OIL FLOW CONTROLLER

 #43
20160186756
2016-06-30

Compressor system with variable blowdown control

 #44
20160186737
2016-06-30

HERMETIC ELECTRICAL FEEDTHROUGH ASSEMBLY FOR A COMPRESSOR

 #45
20160108908
2016-04-21

Compressor and crankshaft-connecting rod assembly

 #46
20150369233
2015-12-24

Compressor having oil separator

 #47
20150361972
2015-12-17

REFRIGERANT COMPRESSOR SYSTEM

 #48
20150337824
2015-11-26

SWASH PLATE TYPE COMPRESSOR

 #49
20150330381
2015-11-19

Compressor bushing

 #50
20150300340
2015-10-22

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

 #51
20150285235
2015-10-08

Reciprocating compressor having casing including inner and outer shells

 #52
20150260175
2015-09-17

VARIABLE DISPLACEMENT SWASH PLATE TYPE COMPRESSOR

 #53
20150240798
2015-08-27

RECIPROCATING COMPRESSOR

 #54
20150086388
2015-03-26

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

 #55
20140053720
2014-02-27

Reciprocating compressor having fluid bearing

 #56
20130280103
2013-10-24

Reciprocating-piston pump with plain bearing traversed by flow

 #57
20130058815
2013-03-07

Reciprocating compressor with gas bearing

 #58
20130011281
2013-01-10

Electrically driven gas compressor

 #59
20120051949
2012-03-01

Reciprocating compressor crankshaft adapter and method

 #60
20110005266
2011-01-13

Reciprocating piston compressor

 #61
20100043631
2010-02-25

Compressor with Improved Lubrication

 #62
20090101003
2009-04-23

Reciprocating compressor

 #63
20070104597
2007-05-10

LINEAR COMPRESSOR

 #64
20060120891
2006-06-08

Reciprocating compressor for compressing refrigerant

 #65
20060093495
2006-05-04

Linear compressor

 #66
20060051220
2006-03-09

Refrigerating system having reciprocating compressor

 #67
20060048523
2006-03-09

Reciprocating compressor for refrigerator

 #68
17989082
2024-03-05

Lube oil replenishment for compressors