ClassID:

143007

F04B39/1073 - 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 -; Adaptations or arrangements of distribution members the members being reed valves

Sub-classes:
Recent Application in this class:
#1
20260016000
2026-01-15

PISTON COMPRESSOR VALVE ARRANGEMENT AND METHOD OF USE

#2
20250137443
2025-05-01

Pressure Relief System for a Portable Air Pump and Inflator System

#3
20250116265
2025-04-10

RECIPROCATING COMPRESSOR

#4
20250101968
2025-03-27

MANUALLY OPERATED PUMP ASSEMBLY

#5
20240093681
2024-03-21

OPTIMIZED VALVE SYSTEM FOR PISTON COMPRESSORS - VALVE LAMINA AND VALVE RETAINER HAVING AERODYNAMIC DAMPING

#6
20230296090
2023-09-21

DRILL-DRIVEN COMPRESSOR HEAD

#7
20230057129
2023-02-23

Alternative compressor head arrangement

#8
20220381233
2022-12-01

Manually operated pump assembly

#9
20220364554
2022-11-17

PORTABLE PUMP

#10
20220356872
2022-11-10

VALVE PLATE HAVING VALVE LAMELLAE

#11
20220341410
2022-10-27

Air stop sheet of piston of cylinder

#12
20220333591
2022-10-20

Piston of air compressor

#13
20220145877
2022-05-12

Valve assembly for a reciprocating compressor

#14
20220112890
2022-04-14

Hermetic compressor with discharge valve plate edges and discharge valve stopper aligned along a curved virtual line

#15
20220099078
2022-03-31

Piston and valve sheet arrangement in compressor assembly for refrigeration device

#16
20220074395
2022-03-10

Swash plate compressor

#17
20220065241
2022-03-03

Discharge cut-off valve

#18
20210356175
2021-11-18

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

#19
20210340966
2021-11-04

Compressor head fixing device, compressor and refrigeration device

#20
20210310472
2021-10-07

COMPRESSOR AND ELECTRONIC DEVICE USING THE SAME

#21
20210199382
2021-07-01

Slim-type gas transportation device

#22
20210003121
2021-01-07

PROCESS FOR OPERATING A SINGLE-STROKE COMBUSTION ENGINE

#23
20200386216
2020-12-10

COOLANT COMPRESSOR

#24
20200277958
2020-09-03

CONTINUOUSLY VARIABLE TURBINE

#25
20200277946
2020-09-03

Dual engine-compressor system

#26
20200040880
2020-02-06

Dual engine-compressor system

#27
20200032797
2020-01-30

Fluid compressor having discharge port and valve

#28
20190376501
2019-12-12

Cylinder head assembly for reciprocating compressor

#29
20190277540
2019-09-12

Cylinder head cover for a refrigerant compressor

#30
20190277270
2019-09-12

MANUALLY OPERATED PUMP ASSEMBLY

#31
20190024652
2019-01-24

Compressor valve arrangement

#32
20190003604
2019-01-03

Stacked valve assembly

#33
20180355857
2018-12-13

Method and system for enhancing performance in a reciprocating compressor

#34
20180258922
2018-09-13

RECIPROCATING COMPRESSOR FOR A COOLING DEVICE

#35
20180252325
2018-09-06

Systems and methods for a reed valve module and a modular reed valve assembly

#36
20180230991
2018-08-16

Improper opening detection method of multiple suction reciprocating compressor suction valve

#37
20180230793
2018-08-16

Tool and method for actively cooling downhole electronics

#38
20180223823
2018-08-09

Compressor discharge valve assembly

#39
20180223822
2018-08-09

Reciprocating compressor

#40
20180209407
2018-07-26

Reciprocating Compressor with Vented Discharge Valve

#41
20180056663
2018-03-01

Check valve, diaphragm pump, and printing apparatus

#42
20180051685
2018-02-22

COMPRESSOR WITH A DISCHARGE VALVE

#43
20170356441
2017-12-14

Reciprocating compressor valves arrangement

#44
20170321693
2017-11-09

Compressor head assembly with discharge valve

#45
20170321680
2017-11-09

Compressor

#46
20170321672
2017-11-09

Linear compressor

#47
20170292508
2017-10-12

VALVE UNIT FOR A PISTON COMPRESSOR AND PISTON COMPRESSOR

#48
20170248132
2017-08-31

Air compressor

#49
20170204848
2017-07-20

Air compressor

#50
20170204844
2017-07-20

Air compressor

#51
20170145999
2017-05-25

Constructive Disposition Introduced in Reciprocating Compressor Suction Valve

#52
20170122302
2017-05-04

Cylinder head assembly for reciprocating compressor

#53
20170097002
2017-04-06

Fluid compressor having discharge valve and valve retainer

#54
20170030471
2017-02-02

Multiple parts reed valve and method of manufacturing

#55
20160348662
2016-12-01

Valve and Stop Arrangement for Reciprocating Compressor

#56
20160265525
2016-09-15

Valve clack and air pump having same

#57
20160258431
2016-09-08

Air compressor

#58
20160252094
2016-09-01

Compressor

#59
20160208790
2016-07-21

Compressor

#60
20160131124
2016-05-12

Reciprocating compressor

#61
20160047368
2016-02-18

Sealed compressor and refrigeration device

#62
20160040664
2016-02-11

Valve clack and air pump having same

#63
20160032917
2016-02-04

Device for conserving power in a piston compressor

#64
20160003238
2016-01-07

Operational status checking system of alternative compressor valve and method for checking operational status of alternative compressor valve

#65
20150354551
2015-12-10

Fluid machine

#66
20150316044
2015-11-05

Discharge reed valve for reciprocating refrigeration compressor

#67
20150226193
2015-08-13

Reciprocating refrigeration compressor suction valve seating

#68
20150176580
2015-06-25

Compressor and valve assembly thereof for reducing pulsation and/or noise

#69
20150086400
2015-03-26

Valve assembly for variable swash plate compressor

#70
20150030484
2015-01-29

Multiple parts reed valve and method of manufacturing

#71
20140377082
2014-12-25

Semi-commanded valve system applied to compressor and method for modulating the capacity of a compressor provided with a semi-commanded valve system

#72
20140345713
2014-11-27

SUCTION VALVE ASSEMBLY FOR ALTERNATIVE COMPRESSOR

#73
20140076443
2014-03-20

Hollow valve plate

#74
20140003986
2014-01-02

Discharge valve for reciprocating compressor having inner and outer flow areas

#75
20130340870
2013-12-26

Valve device for compressor

#76
20130280113
2013-10-24

Suction valve for a refrigeration compressor and its mounting process

#77
20130236342
2013-09-12

Compressor

#78
20130129546
2013-05-23

Compressor

#79
20130087233
2013-04-11

Hollow valve plate

#80
20130084201
2013-04-04

Compressor having suction reed valve and valve plate arrangement

#81
20130078126
2013-03-28

Compressor

#82
20130052066
2013-02-28

COMPRESSOR

#83
20130014841
2013-01-17

Compressor

#84
20120325080
2012-12-27

Gas boosters

#85
20120301341
2012-11-29

COMPRESSOR

#86
20120227847
2012-09-13

Systems and methods for a reed valve module and valve assembly

#87
20120207632
2012-08-16

Fuel pump with discharge control

#88
20120192583
2012-08-02

Suction Cutoff Unloader Valve For Compressor Capacity Control

#89
20120189468
2012-07-26

Multi-stage diaphragm suction pump

#90
20120063940
2012-03-15

SUCTION AND DISCHARGE MECHANISMS FOR AN APPLIANCE REFRIGERANT COMPRESSOR

#91
20110311382
2011-12-22

Valve actuation system for a suction valve of a gas compressor for refrigeration equipment

#92
20110197751
2011-08-18

RECIPROCATING PISTON MACHINE

#93
20110126701
2011-06-02

RECIPROCATING PISTON ENGINE

#94
20110103983
2011-05-05

Coolant compressor

#95
20110103937
2011-05-05

DISCHARGE VALVE ARRANGEMENT FOR A HERMETIC COMPRESSOR

#96
20110020158
2011-01-27

Reciprocating compressor

#97
20110000069
2011-01-06

PROCESS FOR MOUNTING A VALVE IN A REFRIGERATION COMPRESSOR

#98
20100329897
2010-12-30

METHOD FOR PROCESSING THE VALVE PLATE OF A RECIPROCATING COMPRESSOR TO PREVENT THE SUCTION VALVES AND/OR THE DISCHARGE VALVE OF THE COMPRESSOR FROM STICKING ON THE VALVE PLATE AT THE PORTIONS ABUTTING THE VALVE PLATE, AND RECIPROCATING COMPRESSOR

#99
20100200095
2010-08-12

HERMETIC COMPRESSOR

#100
20100172779
2010-07-08

Piston compressor, particularly refrigerant compressor

#101
20100155382
2010-06-24

Method for Machining Valve Mechanism Component Member

#102
20100129251
2010-05-27

Compressor

#103
20100008801
2010-01-14

Reciprocating piston compressor

#104
20100003145
2010-01-07

COMPRESSOR

#105
20090317263
2009-12-24

Oil pump used in a linear compressor

#106
20090291007
2009-11-26

HERMETIC COMPRESSOR

#107
20090238697
2009-09-24

Double-headed piston type compressor

#108
20090232669
2009-09-17

Refrigerant Compressor

#109
20090175746
2009-07-09

Compressor

#110
20090116985
2009-05-07

Hermetic compressor

#111
20090095572
2009-04-16

Oil valve assembly of linear compressor

#112
20090028733
2009-01-29

Compressor Valve Plate Assembly with Integrated Gasket

#113
20090010788
2009-01-08

Hermetic compressor

#114
20080310980
2008-12-18

Valve Mounting Arrangement For a Refrigeration Compressor

#115
20080304989
2008-12-11

Compression Device for Gaseous Media

#116
20080277008
2008-11-13

Multi-port suction reed valve with optimized tips

#117
20080240950
2008-10-02

Connecting rod for a linear compressor

#118
20080240940
2008-10-02

Compressor improvements

#119
20080202613
2008-08-28

Hermetic Compressor

#120
20080166250
2008-07-10

Piston compressor, particularly a hermetic refrigerant compressor

#121
20080113538
2008-05-15

Compressor with discharge valve arrangement

#122
20080112829
2008-05-15

Compressor for a Refrigeration Device

#123
20080003115
2008-01-03

Hermetic type compressor

#124
20070266724
2007-11-22

Compressor

#125
20070237663
2007-10-11

Hermetic compressor

#126
20070231167
2007-10-04

Reciprocating compressor

#127
20070221274
2007-09-27

Valve plate for a reciprocating compressor

#128
20070212242
2007-09-13

Valve plate of a piston cylinder

#129
20070184238
2007-08-09

Laminate actuators and valves

#130
20070148026
2007-06-28

Compressor

#131
20070148025
2007-06-28

Compressor

#132
20070131184
2007-06-14

Single-ended barrel engine with double-ended, double roller pistons

#133
20070098583
2007-05-03

Air compressor having detachable structure

#134
20060292022
2006-12-28

Cylinder assembly for compressor and assembling method thereof

#135
20060280617
2006-12-14

Compressor and suction valve structure

#136
20060177330
2006-08-10

Pump valve with controlled stroke

#137
20060102240
2006-05-18

Sealing elements for compressor valves

#138
20060096647
2006-05-11

Suction valve for a small hermetic compressor

#139
20060083628
2006-04-20

Swach plate type variable displayment compressor for supercritical refrigeration cycle

#140
20060067844
2006-03-30

Piston compressor, particularly hermetical refrigerant compressor

#141
20060048729
2006-03-09

Supercharged two-stroke engine with upper piston extensions

#142
20060039808
2006-02-23

Refrigerant compressor

#143
20060034712
2006-02-16

Refrigerants suction guide structure for reciprocating compressor

#144
20060016483
2006-01-26

Valve or valve plate having an integrated gasket

#145
20050249620
2005-11-10

Discharge valve with dampening

#146
20050249608
2005-11-10

Inclined plate-type compressors and air conditioning systems including such compressors

#147
20050205025
2005-09-22

Apparatus with piston having upper piston extensions

#148
20050191197
2005-09-01

Hermetic compressor

#149
20050175494
2005-08-11

Discharge valve mechanism for variable displacement compressor

#150
20050169785
2005-08-04

Discharge valve assembly for reciprocating compressors

#151
20050145207
2005-07-07

Single-ended barrel engine with double-ended, double roller pistons

#152
20050129548
2005-06-16

Suction valve and reciprocating compressor having the same

#153
20050106038
2005-05-19

Compressor

#154
20050100467
2005-05-12

Compressor

#155
20050095157
2005-05-05

Valve assembly for reciprocating compressors

#156
20050079081
2005-04-14

Reciprocating compressor with enlarged valve seat area

#157
20050053505
2005-03-10

Multi-cylinder reciprocating compressor

#158
20050047947
2005-03-03

Compact compressor

#159
20050047928
2005-03-03

Pump valve assembly

#160
20050008517
2005-01-13

Piston compressor, particularly a hermetic refrigerant compressor

#161
20050008512
2005-01-13

Compressor improvements

#162
20050002811
2005-01-06

Cylinder head arrangement for a piston compressor