ClassID:

153354

F16L55/033 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Energy absorbers; Noise absorbers Noise absorbers

Sub-classes:
Recent Application in this class:
#1
20250271092
2025-08-28

SILENCER FITTING ELEMENT, SILENCER, PNEUMATIC COMPONENT, PNEUMATIC SYSTEM, COMMERCIAL VEHICLE, AND METHOD OF EXHAUSTING GAS

#2
20250155067
2025-05-15

RESONATOR FOR A PRESSURIZED FLUID SYSTEM

#3
20240200710
2024-06-20

NOISE REDUCTION FOR AIR FLOW DEVICES

#4
20240052821
2024-02-15

AIR COMPRESSOR SYSTEM

#5
20240027012
2024-01-25

Resonator for a pressurized fluid system

#6
20230383888
2023-11-30

NOISE REDUCTION DEVICE AND REFRIGERATION DEVICE HAVING THE SAME

#7
20230243434
2023-08-03

Valve assembly

#8
20230167925
2023-06-01

PIPE CONNECTING ASSEMBLY

#9
20210404703
2021-12-30

DUCT SOUNDPROOFING DEVICE AND SYSTEM

#10
20210048133
2021-02-18

PLUMBING PIPE SYSTEM AND PLUMBING PIPE SLEEVE

#11
20200326017
2020-10-15

Method of manufacturing a fluid pressure reduction device

#12
20200166169
2020-05-28

Resonator for a pressurized fluid system

#13
20200049391
2020-02-13

Air conditioner

#14
20200041217
2020-02-06

Vibration absorption tubing and manufacturing method thereof

#15
20190285222
2019-09-19

Systems for and methods of differentiating pipe insulation

#16
20190120414
2019-04-25

DUCT ASSEMBLY HAVING INTERNAL NOISE REDUCTION FEATURES, THERMAL INSULATION AND LEAK DETECTION

#17
20190107087
2019-04-11

Internal combustion engine pipe and internal combustion engine

#18
20190093791
2019-03-28

Flow stabilizer for a control valve

#19
20190010856
2019-01-10

Self-restraining abrasion prevention exhaust conduit

#20
20180340630
2018-11-29

Method of manufacturing a fluid pressure reduction device

#21
20180330712
2018-11-15

Acoustical attenuator in storage array to improve performance

#22
20180266373
2018-09-20

Vehicle silencer

#23
20180223779
2018-08-09

Device for lowering flow noises

#24
20180163372
2018-06-14

WORK VEHICLE

#25
20180094657
2018-04-05

Damping device

#26
20180045353
2018-02-15

Damping device

#27
20180031165
2018-02-01

Method of dampening pressure pulsations in a working fluid within a conduit

#28
20170219153
2017-08-03

Sound suppression apparatus

#29
20170159868
2017-06-08

Pressurized fluid line deresonator

#30
20160252204
2016-09-01

Compact modular low resistance broadband acoustic silencer

#31
20160245267
2016-08-25

Method of dampening pressure pulsations in a working fluid within a conduit

#32
20160238175
2016-08-18

Fluid line assembly

#33
20160201836
2016-07-14

Enhanced fluid attenuators and methods, especially useful for aircraft hydraulic systems

#34
20160201621
2016-07-14

Resonator

#35
20160097357
2016-04-07

Soundproof cover for fuel pipe

#36
20160003399
2016-01-07

Pulsation damper suitable for hygienic processing lines

#37
20150375966
2015-12-31

Noise Abatement for Elevator Submersible Power Units

#38
20150345497
2015-12-03

Compressor system with resonator

#39
20150300525
2015-10-22

Sound treatment assembly for a fluid transmission line

#40
20150090525
2015-04-02

Mold for making sound-absorbing duct and sound-absorbing duct using the same

#41
20150021447
2015-01-22

Pipe brace

#42
20140345733
2014-11-27

Damper for air lines of an internal combustion engine having a turbocharger and method for producing said damper

#43
20140341385
2014-11-20

Dual resonator chamber with variable volume

#44
20140090922
2014-04-03

Simplified modal attenuator

#45
20140021383
2014-01-23

Device for reducing flow noise and valve

#46
20140001000
2014-01-02

Snap on vibration damper

#47
20130255813
2013-10-03

Duct for air-conditioning circuit incorporating a noise-reducing device, and such a circuit incorporating it

#48
20120318395
2012-12-20

Flexible conduit for use in fresh air intake and gas vapor outlet incorporated into a vehicle fuel tank to eliminate whistling within the conduit

#49
20120055733
2012-03-08

Fluid transfer pipe and fluid transfer apparatus and a fluid attenuator and attenuator apparatus

#50
20120012698
2012-01-19

Aircraft comprising an insulation system for thermal and acoustic insulation

#51
20110259545
2011-10-27

COOLANT CIRCULATION CIRCUIT

#52
20110209790
2011-09-01

Damping element for decoupling elements, in particular for membrane bellows

#53
20110061970
2011-03-17

Accoustic attenuation device for an intake line of a combustion engine and intake line incorporating same

#54
20100300569
2010-12-02

CORRUGATED HOSE

#55
20100186825
2010-07-29

Pipe assembly with scoop for directing fluid into a standpipe and for mitigating acoustic and vortex coupled resonance

#56
20100167220
2010-07-01

Sound Reduction Provision for Heat Apparatuses

#57
20100132649
2010-06-03

Method and device for producing a pipe

#58
20100044149
2010-02-25

Acoustic management of fluid flow within a duct

#59
20090127024
2009-05-21

Acoustic load mitigator

#60
20090050404
2009-02-26

Sound dampening flow channel device

#61
20090020358
2009-01-22

Air treatment and sound reduction system

#62
20080271946
2008-11-06

Pipe/silencer device assembly

#63
20080233856
2008-09-25

Air conditioner duct

#64
20080047623
2008-02-28

Energy attenuation device

#65
20080012331
2008-01-17

Quiet gas connector

#66
20070204928
2007-09-06

Energy attenuation device

#67
20070034444
2007-02-15

Reflecting plate type silencer pipe

#68
20060169533
2006-08-03

Acoustic liner with a nonuniform depth backwall

#69
20050023075
2005-02-03

Reduced noise valve stack connection

#70
20050016792
2005-01-27

Noise suppressor apparatus for a gas duct

#71
16451884
2020-11-03

Method and apparatus to accommodate sensors on an exhaust component