ClassID:

142958

F04B39/0033 - 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 -; Pulsation and noise damping means with encapsulations

Sub-classes:
Recent Application in this class:
#1
20240302057
2024-09-12

DEVICE FOR REDUCING NOISE OF COMPRESSOR IN AIR CONDITIONER

#2
20230128060
2023-04-27

COMPRESSOR

#3
20230038911
2023-02-09

Air compressor

#4
20220379789
2022-12-01

Air pump device and seat apparatus

#5
20220265057
2022-08-25

Silent air pump box and intelligent adjustment mattress

#6
20220243711
2022-08-04

Electric compressor

#7
20220220957
2022-07-14

Method and system for damping flow pulsation

#8
20210079905
2021-03-18

Method of reducing air compressor noise

#9
20210071655
2021-03-11

Sound attenuation arrangement for an inverter cover of an electric compressor

#10
20210071654
2021-03-11

Systems and methods for attenuating sound

#11
20210003293
2021-01-07

Compressor cover, outdoor unit of air-conditioning apparatus, and air-conditioning apparatus

#12
20200333040
2020-10-22

Outdoor unit of air-conditioning apparatus

#13
20200124037
2020-04-23

Compressor including cylinder block corresponding to outer rotor type motor

#14
20190178238
2019-06-13

Suction muffler

#15
20190139528
2019-05-09

COMPRESSOR AND SOUND INSULATING MEMBER FOR COMPRESSOR

#16
20180323680
2018-11-08

Standby generator with air intake on rear wall and exhaust opening on front wall

#17
20180172006
2018-06-21

Compressor unit

#18
20180135615
2018-05-17

Miniature vacuum/pressure diaphragm pumps with noise mitigation boot

#19
20180080666
2018-03-22

Soundproof cover of compressor for air conditioner

#20
20180073495
2018-03-15

Compressor housing having sound control chambers

#21
20170346365
2017-11-30

Standby generator with air intake on rear wall and exhaust opening on front wall

#22
20170191390
2017-07-06

Silencer

#23
20170023165
2017-01-26

Pulsation damper

#24
20160365773
2016-12-15

Standby generator including enclosure with intake opening in rear wall and exhaust opening in front wall

#25
20150377228
2015-12-31

Linear compressor, shell for linear compressor, and method for manufacturing shell of linear compressor

#26
20150330380
2015-11-19

Tank dampening device

#27
20150184651
2015-07-02

Reciprocating compressor

#28
20150152857
2015-06-04

Compressor housing having sound control chambers

#29
20150037179
2015-02-05

Motor driven compressor

#30
20150016953
2015-01-15

Tank dampening device

#31
20150008679
2015-01-08

Standby generator with removable panel

#32
20140054105
2014-02-27

Device for damping of sounds and motor vehicle comprising such a device

#33
20130187392
2013-07-25

Standby generators including compressed fiberglass components

#34
20130156614
2013-06-20

Sound enclosure for enclosing a compressor assembly

#35
20130065503
2013-03-14

Air Ducting Shroud For Cooling An Air Compressor Pump And Motor

#36
20130064689
2013-03-14

Method of reducing air compressor noise

#37
20130064643
2013-03-14

Tank dampening device

#38
20130064642
2013-03-14

Tank dampening device

#39
20130064641
2013-03-14

Air ducting shroud for cooling an air compressor pump and motor

#40
20130062141
2013-03-14

Compressor intake muffler and filter

#41
20130062140
2013-03-14

Compressor housing having sound control chambers

#42
20110259449
2011-10-27

Supplemental air pressure providing device adapted for use with an inflating module for inflating an inflatable object

#43
20110148228
2011-06-23

Generator housing, transport mechanism for the same, and cooling and sound attenuation method for the same

#44
20110129367
2011-06-02

Motorized vacuum pump with sound absorbing unit

#45
20100135840
2010-06-03

Screw compressor

#46
20090283356
2009-11-19

Solid-borne sound reducing structure

#47
20090266643
2009-10-29

Silencer

#48
20090114236
2009-05-07

Airbrush makeup application system and methods of use

#49
20090033186
2009-02-05

ENCLOSURE PROVIDING IMPROVED COOLING FOR A HEAT-GENERATING DEVICE

#50
20080185801
2008-08-07

Generator housing, transport mechanism for the same, and cooling and sound attenuation method for the same

#51
20080099275
2008-05-01

Sound Attenuation Enclosure

#52
20080063512
2008-03-13

APPARATUS FOR SUPPLYING AIR TO FUEL CELL

#53
20070237653
2007-10-11

Air pump for aquariums

#54
20070102233
2007-05-10

Air pumping device with silencing effect for aquarium

#55
20070077154
2007-04-05

Pump enclosure

#56
20060153712
2006-07-13

Linear compressor

#57
20060153697
2006-07-13

Fluid provider assembly and portable fluid provider system including same

#58
20060147316
2006-07-06

Quiet fluid pump

#59
20060144637
2006-07-06

Sound-attenuating enclosure with integral cooling ducts

#60
20060062681
2006-03-23

Compressor and gas cylinder containment and cooling apparatus

#61
20050274569
2005-12-15

Compressor sound attenuation enclosure

#62
20050013704
2005-01-20

Cooling air inlet arrangement