ClassID:

142959

F04B39/0038 - 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 of inlet or outlet channels

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

NOVEL DESIGN AND PRODUCTION TECHNIQUE OF SYNTHETIC JET ACTUATORS

#2
20240328441
2024-10-03

Novel Design and Production Technique of Synthetic Jet Actuators

#3
20230151803
2023-05-18

Air compressor

#4
20220220957
2022-07-14

Method and system for damping flow pulsation

#5
20210363981
2021-11-25

Noise Reduction Device of Air Compressor

#6
20210180580
2021-06-17

Compressor

#7
20210088040
2021-03-25

Linear compressor

#8
20210054833
2021-02-25

Linear compressor

#9
20200362844
2020-11-19

Pulsation damper

#10
20200224647
2020-07-16

Precise control of suction damping device in a variable displacement compressor

#11
20190203744
2019-07-04

Reduced noise reciprocating pneumatic motor

#12
20190195211
2019-06-27

Apparatus for reducing suction pulsation and swash plate type compressor comprising same

#13
20190145394
2019-05-16

DEVICE FOR ELIMINATION OF NOISE PROPAGATION

#14
20190003490
2019-01-03

Packaged compressor

#15
20180223826
2018-08-09

Dual diaphragm pump having a pressure pulsation pad

#16
20180135615
2018-05-17

Miniature vacuum/pressure diaphragm pumps with noise mitigation boot

#17
20120201709
2012-08-09

Compressor having intercooler core

#18
20120020815
2012-01-26

COMPRESSOR AND OXYGEN CONDENSING DEVICE

#19
20120011876
2012-01-19

Discharge muffler and two-stage compressor including the same

#20
20110280752
2011-11-17

Air pump

#21
20110280743
2011-11-17

Hermetic compressor

#22
20110116940
2011-05-19

VISCOELASTIC COMPRESSOR PULSATION DAMPENER

#23
20100166586
2010-07-01

Hermetic compressor

#24
20090266643
2009-10-29

Silencer

#25
20060272302
2006-12-07

Air intake filter assembly

#26
20060144637
2006-07-06

Sound-attenuating enclosure with integral cooling ducts