ClassID:

143704

F04C29/06 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  -  Silencing

Sub-classes:
Recent Application in this class:
#1
20260139673
2026-05-21

CO-ROTATING SCROLL COMPRESSOR

#2
20260110302
2026-04-23

ELECTRIC COMPRESSOR

#3
20260110299
2026-04-23

AIR COMPRESSOR HAVING VACUUM AND ASSOCIATED METHODS FOR LOADING AND EXTRACTING MATERIALS

#4
20250264104
2025-08-21

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#5
20250207588
2025-06-26

CO-ROTATING SCROLL COMPRESSOR

#6
20250116273
2025-04-10

ROTARY COMPRESSOR

#7
20250043786
2025-02-06

ELECTRIC COMPRESSOR

#8
20250003406
2025-01-02

Scroll compressor with adjusting mechanism for reducing swing of eccentric bush

#9
20240384718
2024-11-21

POSITIVE DISPLACEMENT ROOTS BLOWER NOISE SUPPRESSION

#10
20240344518
2024-10-17

Rotary compressor

#11
20240310088
2024-09-19

Motor-driven compressor

#12
20240271621
2024-08-15

Low-pressure chamber rotary compressor and air conditioner

#13
20240263631
2024-08-08

COMPRESSOR UNIT AND REFRIGERATION APPARATUS

#14
20240229792
2024-07-11

SCROLL COMPRESSOR HAVING INJECTION PASSAGE CONTAINING MUFFLER

#15
20240151232
2024-05-09

COMPRESSOR

#16
20240133378
2024-04-25

Scroll compressor having injection passage containing muffler

#17
20240117807
2024-04-11

Electric compressor with isolation constraint system

#18
20240052839
2024-02-15

SCROLL COMPRESSOR

#19
20240018961
2024-01-18

Compressor containing oil separator with multiple internal muffler spaces

#20
20230383751
2023-11-30

COMPRESSOR

#21
20230340958
2023-10-26

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#22
20230340957
2023-10-26

AIR COMPRESSOR HAVING VACUUM AND ASSOCIATED METHODS FOR LOADING AND EXTRACTING MATERIALS

#23
20230313799
2023-10-05

Electric compressor

#24
20230313798
2023-10-05

Electric compressor

#25
20230235670
2023-07-27

Accumulator fixing device for compressor and compressor having the same

#26
20230121207
2023-04-20

Hermetic electric compressor

#27
20230076038
2023-03-09

Rotary compressor

#28
20230043328
2023-02-09

Scroll compressor

#29
20220372980
2022-11-24

Electric compressor

#30
20220145885
2022-05-12

Positive displacement roots blower noise suppression

#31
20220136508
2022-05-05

Scroll compressor having sealed-oil interception structure

#32
20220136502
2022-05-05

Compressor having damped scroll

#33
20220042510
2022-02-10

Screw compressor slide valve and screw compressor with gas pulsation attenuation function

#34
20220025887
2022-01-27

Variable capacity compressor

#35
20210372407
2021-12-02

Compressor having damped scroll

#36
20210262470
2021-08-26

Scroll compressor including silencer device containing silencing holes

#37
20210246895
2021-08-12

Compressor with a deformable groove

#38
20210199114
2021-07-01

Multi-stage resonator for compressor

#39
20210115924
2021-04-22

Slide valve for compressor and screw compressor with slide valve

#40
20210054844
2021-02-25

Compressor

#41
20210048025
2021-02-18

Vaned pump device having fluid pressure chambers located outside the cam ring to control cam ring eccentricity

#42
20200332797
2020-10-22

Dynamic radial compliance in scroll compressors

#43
20200284256
2020-09-10

Scroll compressor having noise reduction structure

#44
20200284254
2020-09-10

Pulsation phenomenon suppression mechanism of pump device

#45
20200248687
2020-08-06

Compressor

#46
20200200178
2020-06-25

Vacuum pump with noise attenuating passage

#47
20200166035
2020-05-28

Silencer and compressor

#48
20200109705
2020-04-09

Vacuum pump

#49
20200049148
2020-02-13

Screw Compressor, Air Conditioning Apparatus and Refrigeration Apparatus

#50
20190376499
2019-12-12

RELATIVE VIBRATION DAMPING SYSTEM FOR HVAC SYSTEMS

#51
20190309626
2019-10-10

Packaged compressor housing

#52
20190301459
2019-10-03

Electric compressor having compression portion and motor chamber communication via passage in flange of shaft support member

#53
20190283207
2019-09-19

Screw rotor processing method and screw rotor lead correction calculation device

#54
20190277285
2019-09-12

Compressor with discharge valve

#55
20190242383
2019-08-08

Rotary vacuum pump with a rotor end groove

#56
20190195228
2019-06-27

Dual cylinder rotary compressor with intermediate plate that flows both cylinders to the muffler

#57
20190162186
2019-05-30

Noise and vibration management for smoke evacuation system

#58
20190136859
2019-05-09

SIMPLIFIED ROOTS-TYPE BLOWER

#59
20190085845
2019-03-21

Oscillating piston-type compressor

#60
20190024940
2019-01-24

Sound enclosure for a compressor

#61
20180347569
2018-12-06

Screw compressor

#62
20180335033
2018-11-22

Filtering element and associated mounting device for vacuum pump

#63
20180258935
2018-09-13

Electrically driven compressor mounted on a vehicle engine having a weight inside to shift the resonance frequency of the compressor from that of the engine

#64
20180202440
2018-07-19

Scroll compressor having check valve and passage that communicates a discharge port with a discharge space when the check valve is closed

#65
20180172006
2018-06-21

Compressor unit

#66
20180166060
2018-06-14

Active cancellation of a pulsating flow with a source noise reference

#67
20180135632
2018-05-17

Refrigerant path holes in a rotary compressor

#68
20180135631
2018-05-17

Screw compressor and a compressor body thereof

#69
20180094629
2018-04-05

Pulsation damper for compressors

#70
20180038372
2018-02-08

ROTATING CYLINDER TYPE COMPRESSOR

#71
20180030984
2018-02-01

PACKAGE-TYPE FLUID MACHINE

#72
20180023572
2018-01-25

Device for conditioning flow of working fluids

#73
20180023568
2018-01-25

Electric compressor

#74
20180022191
2018-01-25

Suction dampening device with internal dampening for vehicle air conditioning compressor

#75
20170350396
2017-12-07

Compressor having a sleeve guide assembly

#76
20170276137
2017-09-28

Exhaust bearing seat, screw compressor and air-conditioning unit

#77
20170234552
2017-08-17

Muffler for air-conditioning apparatus and air-conditioning apparatus including the same

#78
20170204881
2017-07-20

Supercharger outlet resonator

#79
20170045049
2017-02-16

Compressor

#80
20170037851
2017-02-09

Motor vehicle vacuum pump having an adhesive

#81
20170009770
2017-01-12

Motor vehicle vacuum pump

#82
20160311420
2016-10-27

Compressor system and method for operating the compressor system in dependence on the operating state of the rail vehicle

#83
20160265531
2016-09-15

Vane rotary compressor having hinge receiving portions formed on an outer peripheral surface of a rotor with a plurality of vanes including a hinge portion and a blade portion

#84
20160160861
2016-06-09

Lubrication reservoir and recirculation arrangement for scroll compressor bearing

#85
20160115957
2016-04-28

Rotary compression mechanism

#86
20160040674
2016-02-11

ELECTRIC COMPRESSOR

#87
20160017885
2016-01-21

Electric motor vehicle vacuum pump arrangement

#88
20160003253
2016-01-07

Compressor and method for assembling a compressor

#89
20150337841
2015-11-26

Scroll compressor with a shunt pulsation trap

#90
20150337840
2015-11-26

Compressor having external shell with vibration isolation and pressure balance

#91
20150300353
2015-10-22

Pulsation dampening assembly

#92
20150285302
2015-10-08

Bush bearing and a scroll compressor including a bush bearing

#93
20150219360
2015-08-06

Sound enclosure for a compressor

#94
20150198149
2015-07-16

Aerodynamic pressure pulsation dampener

#95
20150118089
2015-04-30

Compressor with unloader counterweight assembly

#96
20150104342
2015-04-16

Scroll-type compressor with gas passage formed in orbiting plate to restrict flow from compression chamber to back pressure chamber

#97
20150086406
2015-03-26

Reduced noise screw machines

#98
20140227122
2014-08-14

Claw pump with relief space

#99
20140147300
2014-05-29

Rocking piston compressor with sound dissipation

#100
20140099226
2014-04-10

SIMPLIFIED ROOTS-TYPE BLOWER

#101
20140050572
2014-02-20

Sound enclosure for a compressor

#102
20130129551
2013-05-23

Compressor for vehicle with reduced vibrations

#103
20130115123
2013-05-09

Scroll compressor

#104
20130115122
2013-05-09

Rotary compressor with vibration reduction and oil control

#105
20130089449
2013-04-11

Scroll compressor with bypass hole

#106
20130089443
2013-04-11

Compressor with snug perforated stator end-cover

#107
20130049550
2013-02-28

Inverter-integrated electric compressor

#108
20120257993
2012-10-11

Sealed compressor

#109
20120251361
2012-10-04

MOTOR-DRIVEN COMPRESSOR

#110
20120224986
2012-09-06

Rotary vane compressor

#111
20120201709
2012-08-09

Compressor having intercooler core

#112
20120171067
2012-07-05

Hermetic compressor and manufacturing method thereof

#113
20120171066
2012-07-05

Compressor

#114
20120171065
2012-07-05

Compressor

#115
20120171064
2012-07-05

Compressor in which a shaft center of a suction pipe is disposed to not correspond to a shaft center of a refrigerant suction passage of a stationary shaft and an upper end of the stationary shaft protrudes higher than a bottom of an accumulator chamber

#116
20120171060
2012-07-05

Compressor

#117
20120107142
2012-05-03

Internally supplied air jet cooling for a hydraulic pump

#118
20120048645
2012-03-01

Muffler for a turbo or piston engine

#119
20120027634
2012-02-02

Screw compressor having a second meshing body with at least one projection non-uniformly arranged with respect to the other projections in circumferential direction

#120
20110280758
2011-11-17

Scroll type compressor having an elastic member to suppress noise and reduce variations

#121
20110243781
2011-10-06

Oilless screw compressor and compressed air cooling unit

#122
20110214451
2011-09-08

Compressor and refrigerating machine having the same

#123
20110200466
2011-08-18

Compact structure for an electric compressor

#124
20110142706
2011-06-16

NOISELESS PRESSURE BLOWER

#125
20110027115
2011-02-03

Scroll compressor

#126
20110016895
2011-01-27

Methods and Systems for Injecting Liquid Into a Screw Compressor for Noise Suppression

#127
20100276226
2010-11-04

Muffler

#128
20100209280
2010-08-19

SCREW COMPRESSOR PULSATION DAMPER

#129
20100196185
2010-08-05

Enclosed compressor

#130
20100135840
2010-06-03

Screw compressor

#131
20100089689
2010-04-15

SILENCER FOR PNEUMATIC DEVICE

#132
20090191083
2009-07-30

Rotary blower with isothermal air jacket

#133
20090084104
2009-04-02

Pressure recovery system

#134
20080298993
2008-12-04

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

#135
20080206071
2008-08-28

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

#136
20080199325
2008-08-21

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

#137
20080166253
2008-07-10

Oilless screw compressor and compressed air cooling unit

#138
20080145257
2008-06-19

Lubricant-tight vane rotary vacuum pump

#139
20080145209
2008-06-19

Lubricant-tight vane rotary vacuum pump

#140
20070217937
2007-09-20

Oilless rotary vane pump having open ends of vane grooves being inclined rearward in the rotation direction

#141
20070092393
2007-04-26

Gas release port for oil-free screw compressor

#142
20060222548
2006-10-05

Scroll fluid machine with a silencer

#143
20060171833
2006-08-03

Rotary compressor having a stepped cover of a discharge muffler chamber

#144
20060065477
2006-03-30

Muffler

#145
20060018764
2006-01-26

System and method to reduce acoustic noise in screw compressors

#146
20060008360
2006-01-12

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

#147
20050013718
2005-01-20

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

#148
20050008520
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

#149
20050008518
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

#150
20050008442
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

#151
17944054
2024-01-23

Electric compressor with isolation constraint system