ClassID:

142964

F04B39/0066 - 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 a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using sidebranch resonators, e.g. Helmholtz resonators

Recent Application in this class:
#1
20260124066
2026-05-07

ACOUSTIC SILENCER FOR A URINE SUCTION SYSTEM

#2
20230193890
2023-06-22

Linear compressor

#3
20220364553
2022-11-17

Compressor

#4
20220287868
2022-09-15

ACOUSTIC SILENCER FOR A URINE SUCTION SYSTEM

#5
20220235759
2022-07-28

Reciprocating compressor

#6
20220205441
2022-06-30

Linear compressor

#7
20210340966
2021-11-04

Compressor head fixing device, compressor and refrigeration device

#8
20210140420
2021-05-13

Reciprocating compressor

#9
20190338788
2019-11-07

Compressor

#10
20190234390
2019-08-01

Pressure pulsation traps

#11
20190178238
2019-06-13

Suction muffler

#12
20180135612
2018-05-17

Linear compressor

#13
20170314543
2017-11-02

Suction muffler for a hermetically encapsulated refrigerant compressor

#14
20150361981
2015-12-17

Scroll compressor with a resonator

#15
20130280109
2013-10-24

Modular discharge silencer for vehicle-mounted compressor

#16
20120144671
2012-06-14

GAS COMPRESSOR WITH PULSATION ABSORBER FOR REDUCING CYLINDER NOZZLE RESONANT PULSATION

#17
20120121441
2012-05-17

Low restriction resonator with adjustable frequency characteristics for use in compressor nebulizer systems

#18
20100290928
2010-11-18

Noise reducing device for hermetic type compressor

#19
20100269798
2010-10-28

Integral rotor noise attenuators

#20
20090178881
2009-07-16

Resonator arrangement in an acoustic muffler for a refrigeration compressor

#21
20090155108
2009-06-18

Hyperbolic horn for pulsation filter device used with gas compressor

#22
20090038329
2009-02-12

SUCTION MUFFLER FOR A REFRIGERATION COMPRESSOR

#23
20080253900
2008-10-16

GAS COMPRESSOR WITH PULSATION ABSORBER FOR REDUCING CYLINDER NOZZLE RESONANT PULSATION

#24
20080199329
2008-08-21

Device for reducing pulsation in a variable displacement compressor

#25
20070264137
2007-11-15

Hermetic compressor

#26
20060275158
2006-12-07

Refrigerating compressor

#27
20060045762
2006-03-02

Suction muffler for compressor