ClassID:

142961

F04B39/005 - 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 direct action on the fluid flow using absorptive materials

Recent Application in this class:
#1
20250369431
2025-12-04

INLET SILENCER FOR A VOLUMETRIC COMPRESSOR AND VOLUMETRIC COMPRESSOR EQUIPPED WITH IT

#2
20240191707
2024-06-13

Electric Pump And Compressor Assembly, Systems Comprising Same, And Methods Of Using Same

#3
20230038911
2023-02-09

Air compressor

#4
20220412338
2022-12-29

PERSONAL AIR SAMPLING PUMP ASSEMBLY

#5
20220380110
2022-12-01

Vacuum sealable container with internal pump mechanism

#6
20210172430
2021-06-10

Miniature blower

#7
20210164460
2021-06-03

BEAD GASKET

#8
20210061536
2021-03-04

Vacuum sealable container with internal pump mechanism

#9
20200408347
2020-12-31

Nested pre-charge cartridges

#10
20200392955
2020-12-17

Personal air sampling pump assembly with diaphragm damping portion

#11
20200072207
2020-03-05

Belt guard comprising a compressor silencer

#12
20190309741
2019-10-10

Replacement tube for a cellular suction stabilizing manifold

#13
20190285065
2019-09-19

Air compressor

#14
20190242372
2019-08-08

PNEUMATIC PUMP NOISE REDUCTION

#15
20180355773
2018-12-13

Silencer and ejector in which silencer is used

#16
20180283367
2018-10-04

Air compressor noise dampener

#17
20180030974
2018-02-01

Vacuum sealable container with internal pump mechanism

#18
20170022985
2017-01-26

Personal air sampling pump assembly

#19
20160208795
2016-07-21

Sleeping system

#20
20130287599
2013-10-31

Energy-saving silencer assembly, a semiconductor manufacturing vacuum pump with same and method for heating nitrogen gas

#21
20120024413
2012-02-02

THREE-WAY STRUCTURE

#22
20090131859
2009-05-21

Flow pulsatility dampening devices for closed-loop controlled infusion systems

#23
20090068028
2009-03-12

Compressor muffler

#24
20090060759
2009-03-05

Compressor sound suppression