Patents-Review.com
ClassID:

143707 ⎘

F04C29/065 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  - ; Silencing Noise dampening volumes, e.g. muffler chambers

Sub-classes:
Recent Application in this class:
#1
20260146611
2026-05-28

MUFFLER AND REFRIGERATING SYSTEM COMPRISING MUFFLER

 #2
20260117774
2026-04-30

COMPRESSOR

 #3
20260104048
2026-04-16

ROTARY COMPRESSOR

 #4
20260016013
2026-01-15

SILENCING UNIT AND SILENCING STRUCTURE

 #5
20250376982
2025-12-11

ROLLING PISTON ROTARY COMPRESSOR

 #6
20250334120
2025-10-30

COMPRESSOR

 #7
20250277490
2025-09-04

ROTARY COMPRESSOR HAVING FLAT MUFFLER

 #8
20250230813
2025-07-17

COMPRESSOR DEVICE AND COMPRESSOR ASSEMBLY COMPRISING SUCH A COMPRESSOR DEVICE

 #9
20250223966
2025-07-10

ROTARY COMPRESSOR AND REFRIGERATION CYCLE APPARATUS

 #10
20250012281
2025-01-09

SCREW COMPRESSOR AND REFRIGERATION APPARATUS

 #11
20240384773
2024-11-21

VIBRATION FREQUENCY ADJUSTMENT SYSTEM

 #12
20240337263
2024-10-10

Scroll compressor

 #13
20240309975
2024-09-19

Tube assembly, compressor, refrigeration apparatus, and method of manufacturing tube assembly

 #14
20240263632
2024-08-08

SCROLL COMPRESSOR

 #15
20240133378
2024-04-25

Scroll compressor having injection passage containing muffler

 #16
20240117807
2024-04-11

Electric compressor with isolation constraint system

 #17
20240102473
2024-03-28

COMPRESSOR

 #18
20240018961
2024-01-18

Compressor containing oil separator with multiple internal muffler spaces

 #19
20230392601
2023-12-07

Fluid pump with integrated cowling and discharge muffler

 #20
20230204035
2023-06-29

Compressor

 #21
20230167825
2023-06-01

Scroll compressor provided with a discharge muffler arrangement

 #22
20230138965
2023-05-04

Screw compressor, refrigeration system, and method for controlling refrigeration system

 #23
20230080650
2023-03-16

Two-cylinder rotary compressor with mufflers

 #24
20230064536
2023-03-02

COMPRESSOR AND AIR CONDITIONER

 #25
20230019752
2023-01-19

Rotary compressor and home appliance including the same

 #26
20220372983
2022-11-24

Compressor

 #27
20220341424
2022-10-27

Compressor

 #28
20220220961
2022-07-14

Sound control for a heating, ventilation, and air conditioning unit

 #29
20220196017
2022-06-23

Muffler device and compressor having the same

 #30
20220178371
2022-06-09

Scroll compressor and air conditioner having the same

 #31
20220163026
2022-05-26

Suction muffler for reciprocating compressor

 #32
20220136508
2022-05-05

Scroll compressor having sealed-oil interception structure

 #33
20220136500
2022-05-05

Scroll compressor

 #34
20220034324
2022-02-03

Compressor

 #35
20210363994
2021-11-25

Compressor and electronic device using the same

 #36
20210355944
2021-11-18

Compressor having muffler plate

 #37
20210340984
2021-11-04

Compressor

 #38
20210277896
2021-09-09

Damping apparatus for exhaust valve in compressor, exhaust valve assembly, and compressor

 #39
20210277892
2021-09-09

Compressor including a heat radiating member

 #40
20210215155
2021-07-15

Compressor provided with a muffler

 #41
20210199114
2021-07-01

Multi-stage resonator for compressor

 #42
20210190072
2021-06-24

Rotary compressor and refrigeration cycle apparatus

 #43
20210190069
2021-06-24

Screw compressor

 #44
20210131412
2021-05-06

Scroll compressor of lower compression type enabling active oil supply

 #45
20210115926
2021-04-22

Modular compressor discharge system

 #46
20210095671
2021-04-01

Muffler for a compression mechanism of a rotary compressor

 #47
20200386232
2020-12-10

Compressor

 #48
20200362864
2020-11-19

Sound control for a heating, ventilation, and air conditioning unit

 #49
20200309134
2020-10-01

Dry-running gas vane pump having a first fluid outlet and a second fluid outlet associated with the pump chamber with the second fluid outlet permanently open to atmosphere without being impeded

 #50
20200284256
2020-09-10

Scroll compressor having noise reduction structure

 #51
20200263691
2020-08-20

Compressor having decompressing structure

 #52
20200248687
2020-08-06

Compressor

 #53
20200200178
2020-06-25

Vacuum pump with noise attenuating passage

 #54
20200166035
2020-05-28

Silencer and compressor

 #55
20200116149
2020-04-16

Compressor

 #56
20200032803
2020-01-30

Compressor with a muffler

 #57
20190338788
2019-11-07

Compressor

 #58
20190331116
2019-10-31

Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method

 #59
20190323506
2019-10-24

Motor vehicle vacuum pump arrangement

 #60
20190316589
2019-10-17

Compressor having muffler function

 #61
20190309753
2019-10-10

Scroll compressor having discharge cover providing a space to guide a discharge flow from a discharge port to a discharge passgae formed by a plurality of discharge holes

 #62
20190284984
2019-09-19

Exhaust device equipped with spark arrester

 #63
20190195228
2019-06-27

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

 #64
20190178238
2019-06-13

Suction muffler

 #65
20190128265
2019-05-02

Gas supplying apparatus

 #66
20190120232
2019-04-25

Screw compressor

 #67
20190113036
2019-04-18

Vacuum pump having a silencer

 #68
20190111359
2019-04-18

Modular heat exchanger, moisture separator and pulsation dampener for a multi-stage fluid compressor

 #69
20190083688
2019-03-21

Compact sound suppressing muffler for breast vacuum pumps

 #70
20180355870
2018-12-13

Expansion chamber for a brake boost vacuum pump

 #71
20180335034
2018-11-22

Vacuum pump with sound absorption and check valve

 #72
20180335033
2018-11-22

Filtering element and associated mounting device for vacuum pump

 #73
20180291905
2018-10-11

Pulsation mufflers for compressors

 #74
20180266423
2018-09-20

Rotary compressor

 #75
20180258936
2018-09-13

Screw compressor resonator arrays

 #76
20180238330
2018-08-23

Compressor with pulsation attenuation space disposed in injection passage

 #77
20180195512
2018-07-12

ROTARY COMPRESSOR

 #78
20180093593
2018-04-05

DEVICE FOR DAMPING PRESSURE FLUCTUATIONS

 #79
20180080447
2018-03-22

Electric compressor

 #80
20180051698
2018-02-22

Compressor noise reduction

 #81
20180025714
2018-01-25

Sound deadening device

 #82
20170175742
2017-06-22

Rotary compressor

 #83
20170074269
2017-03-16

Rotary compressor

 #84
20170051745
2017-02-23

Discharge muffler

 #85
20170037851
2017-02-09

Motor vehicle vacuum pump having an adhesive

 #86
20170022991
2017-01-26

Supercharger with integrated contraction chamber for noise attenuation

 #87
20160305430
2016-10-20

Scroll compressor having an insulated high-strength partition assembly

 #88
20160273537
2016-09-22

Compressor and method for producing compressor

 #89
20160252094
2016-09-01

Compressor

 #90
20160208788
2016-07-21

Hermetic compressor comprising a suction acoustic filter

 #91
20160201671
2016-07-14

VACUUM PUMP FOR A MOTOR VEHICLE

 #92
20160160861
2016-06-09

Lubrication reservoir and recirculation arrangement for scroll compressor bearing

 #93
20160131139
2016-05-12

Sound control for a heating, ventilation, and air conditioning unit

 #94
20160061075
2016-03-03

Muffler sound-insulation structure

 #95
20160040669
2016-02-11

Two-shaft rotary pump with escape holes

 #96
20160017885
2016-01-21

Electric motor vehicle vacuum pump arrangement

 #97
20160003254
2016-01-07

NOISE CANCELLATION BY PHASE-MATCHING COMMUNICATING DUCTS OF ROOTS-TYPE BLOWER AND EXPANDER

 #98
20150361982
2015-12-17

Shunt pulsation trap for positive-displacement machinery

 #99
20150345498
2015-12-03

Vacuum pump for a motor vehicle

 #100
20150345497
2015-12-03

Compressor system with resonator

 #101
20150345485
2015-12-03

Sealed compressor and refrigeration unit including sealed compressor

 #102
20150337841
2015-11-26

Scroll compressor with a shunt pulsation trap

 #103
20150337840
2015-11-26

Compressor having external shell with vibration isolation and pressure balance

 #104
20150285250
2015-10-08

Noise-reduction mechanism for oil pump

 #105
20150132171
2015-05-14

Roots-style blower with leakage mechanisms

 #106
20150023811
2015-01-22

Compressor

 #107
20150004015
2015-01-01

Sound absorber for refrigerant compressor

 #108
20140250937
2014-09-11

Hermetic-type compressor and refrigeration cycle apparatus

 #109
20140170010
2014-06-19

Vane rotary compressor having a hinge-coupled vane

 #110
20140169992
2014-06-19

Vacuum pump

 #111
20140161640
2014-06-12

Pump

 #112
20140147300
2014-05-29

Rocking piston compressor with sound dissipation

 #113
20130039792
2013-02-14

Compressor

 #114
20130020146
2013-01-24

Sound insulation in a refrigerant circuit

 #115
20120315177
2012-12-13

Engine oil pump including plunge pool to mitigate surge noise

 #116
20120263615
2012-10-18

Scroll Fluidic Device

 #117
20120257993
2012-10-11

Sealed compressor

 #118
20120237378
2012-09-20

Shunt pulsation trap for cyclic positive displacement (PD) compressors

 #119
20120195783
2012-08-02

Noise and shock reduction in rotary positive displacement blowers

 #120
20120171069
2012-07-05

Screw compressor with a shunt pulsation trap

 #121
20120156067
2012-06-21

Compressor

 #122
20120085119
2012-04-12

Refrigerant compressor and heat pump apparatus

 #123
20120085118
2012-04-12

Refrigerant compressor and heat pump apparatus

 #124
20120011876
2012-01-19

Discharge muffler and two-stage compressor including the same

 #125
20110300014
2011-12-08

Rotary lobe blower (pump) or vacuum pump with a shunt pulsation trap

 #126
20110171041
2011-07-14

Vacuum Pump

 #127
20110129367
2011-06-02

Motorized vacuum pump with sound absorbing unit

 #128
20110033327
2011-02-10

Scroll compressor with noise reducing discharge opening

 #129
20100319798
2010-12-23

Vacuum pump for vehicles

 #130
20100310388
2010-12-09

Sealing structure and compressor

 #131
20100278674
2010-11-04

2 stage rotary compressor

 #132
20100226796
2010-09-09

Rotary compressor

 #133
20100135839
2010-06-03

SCREW COMPRESSOR WITH INTEGRAL BEARING COVER AND DISCHARGE PLENUM DIVIDER

 #134
20100047087
2010-02-25

Rotary compressor having a muffler with a discharge region to discharge compressed gas toward an outer surface of the crankshaft

 #135
20090232679
2009-09-17

Compressor having compression element welded to closed container at three or more welding points and suction tube neither parallel nor perpendicular to a straight line connecting any two of the welding points

 #136
20090175740
2009-07-09

Compressor having muffler outlets orthogonally arranged relative to the suction mouth

 #137
20090175739
2009-07-09

DUAL DRIVE COMPRESSOR

 #138
20090116977
2009-05-07

Compressor With Muffler

 #139
20090090579
2009-04-09

Silencer for refrigeration cycle system

 #140
20090068028
2009-03-12

Compressor muffler

 #141
20090060759
2009-03-05

Compressor sound suppression

 #142
20080302596
2008-12-11

Diaphragm Muffler and Method of Use

 #143
20080166252
2008-07-10

Compressor with discharge muffler attachment using a spacer

 #144
20080145242
2008-06-19

Dual chamber discharge muffler

 #145
20080008612
2008-01-10

Muffler of scroll compressor

 #146
20070292284
2007-12-20

Muffler installation structure for compressor

 #147
20070140884
2007-06-21

Scroll compressor

 #148
20070104590
2007-05-10

Rotary compressor having discharge muffling

 #149
20060216160
2006-09-28

Fixing structure and method for fixing upper cup muffler

 #150
20060171835
2006-08-03

Discharge muffler system for a rotary compressor

 #151
20060056987
2006-03-16

Multi-cylinder compressor

 #152
20050214138
2005-09-29

Multistage rotary compressor

 #153
20050166921
2005-08-04

Method and apparatus for attenuating compressor noise

 #154
20050106037
2005-05-19

Hermetic compressor

 #155
17654467
2022-11-29

Compressor and air conditioner

 #156
15609450
2018-07-24

Pulsation and vibration control device