ClassID:

153359

F16L55/0336 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Energy absorbers; Noise absorbers; Noise absorbers by means of sound-absorbing materials

Recent Application in this class:
#1
20250207711
2025-06-26

PIPING VIBRATION ABSORBER APPARATUS HAVING VIBRATION MONITORING SYSTEM

#2
20240426413
2024-12-26

OXYGEN GENERATOR

#3
20240292152
2024-08-29

SOUND-MITIGATING DEVICE FOR A DUCT SYSTEM

#4
20230089571
2023-03-23

METHOD AND APPARATUS FOR SUPPRESSING UNDESIRABLE TONES IN AN EXHAUST SYSTEM

#5
20230064984
2023-03-02

NOISE SUPPRESSION UNIT

#6
20230042142
2023-02-09

High thermal tolerance flexible supports

#7
20230010222
2023-01-12

Ducts comprising exoskeleton and sound-absorbing structures and vehicles using such ducts

#8
20220228605
2022-07-21

Air amplifier with noise suppression

#9
20210291484
2021-09-23

Laminated structure

#10
20210222812
2021-07-22

PIPE WITH SOUND ABSORBER, REFRIGERATION CYCLE APPARATUS, AND METHOD FOR MOUNTING SOUND ABSORBER

#11
20210140678
2021-05-13

Microperforated conduit

#12
20210088166
2021-03-25

METHOD OF MAKING AN INLINE HOUSING FOR A PART ENCLOSED IN A TUBE

#13
20200224810
2020-07-16

Silencing tubular structure body

#14
20200158139
2020-05-21

SOUND ATTENUATION APPARATUS AND METHODS

#15
20200158138
2020-05-21

SOUND ATTENUATION APPARATUS

#16
20200080451
2020-03-12

METHOD AND APPARATUS FOR SUPPRESSING UNDESIRABLE TONES IN AN EXHAUST SYSTEM

#17
20190323522
2019-10-24

Sound attenuation apparatus and methods

#18
20190170393
2019-06-06

Method for producing silencing device, silencing device and air purifier

#19
20190101236
2019-04-04

Vapour Barrier Lamina

#20
20190055978
2019-02-21

Pipe clip with tightening screw having torque limiting cap

#21
20180238583
2018-08-23

Splitter and sound attenuator including the same

#22
20180142810
2018-05-24

Air, acoustic and/or fire sealing device

#23
20180106395
2018-04-19

Smoke and sound barrier for a building penetration

#24
20180045352
2018-02-15

Method of making an inline housing for a part enclosed in a tube

#25
20170219153
2017-08-03

Sound suppression apparatus

#26
20170159622
2017-06-08

Noise attenuation unit for engine systems

#27
20170152841
2017-06-01

Exhaust air conduit for a coating agent pump

#28
20170044891
2017-02-16

Mounting bracket for strain sensor

#29
20170009927
2017-01-12

Turn-key acoustic pipe lagging system

#30
20170009914
2017-01-12

Cellular glass corrosion under insulation system

#31
20160319805
2016-11-03

Fluid end with modular intake manifold

#32
20160265706
2016-09-15

Dampening device

#33
20160265705
2016-09-15

VlBRATION-DAMPING MATERIAL AND METHOD FOR ATTACHING VIBRATION-DAMPING MATERIAL

#34
20160252204
2016-09-01

Compact modular low resistance broadband acoustic silencer

#35
20160230535
2016-08-11

Mounting bracket for strain sensor

#36
20160186897
2016-06-30

EXHAUST SYSTEM CONDUIT WITH THERMAL/NOISE INSULATION

#37
20160061375
2016-03-03

DUCT LINER

#38
20160061157
2016-03-03

Flexible porous non-pollutive tube

#39
20150159528
2015-06-11

Noise attenuation unit for engine systems

#40
20150152932
2015-06-04

Elastomeric line damper

#41
20150096642
2015-04-09

Aerial refueling hose

#42
20140190765
2014-07-10

Device for reducing the noise emitted by a conduit and aircraft conduit equipped with such a device

#43
20140090922
2014-04-03

Simplified modal attenuator

#44
20130112518
2013-05-09

Damper for decreasing a pipe vibration

#45
20120312630
2012-12-13

Exhaust pipe

#46
20120217088
2012-08-30

Sound attenuating air vent

#47
20120148772
2012-06-14

TEXTILE SLEEVE WITH PROTECTIVE COATING AND METHOD OF CONSTRUCTION THEREOF

#48
20120138383
2012-06-07

Radiated sound reducing structure

#49
20120118664
2012-05-17

Tubular body soundproof cover and covered tubular body

#50
20120056414
2012-03-08

EXHAUST SYSTEM CONDUIT WITH THERMAL/NOISE INSULATION

#51
20120024413
2012-02-02

THREE-WAY STRUCTURE

#52
20110120584
2011-05-26

Low-noise plastic intercooler pipe having multi-layered structure

#53
20110108699
2011-05-12

Cable fastening device

#54
20110074147
2011-03-31

Exhaust system conduit with thermal/noise insulation

#55
20100263762
2010-10-21

Wire tube structure for exhaust component

#56
20100140015
2010-06-10

Silencer

#57
20100133038
2010-06-03

Attenuation device particularly pulsation attenuator

#58
20100089689
2010-04-15

SILENCER FOR PNEUMATIC DEVICE

#59
20100077755
2010-04-01

Sound attenuation systems and methods

#60
20090200103
2009-08-13

Sonic absorption device for an air pipeline of an aircraft, in particular of an air conditioning system of an aircraft

#61
20090133347
2009-05-28

Duct insulation material and method of using

#62
20090020358
2009-01-22

Air treatment and sound reduction system

#63
20080134692
2008-06-12

Gas Transfer Hose

#64
20080006478
2008-01-10

Sound attenuating sleeve for use on a piling

#65
20070210210
2007-09-13

Reinforced insulation product and system suitable for use in an aircraft

#66
20060169341
2006-08-03

Internally damped laminated tube

#67
20060124385
2006-06-15

Modular pressure pulsation dampener

#68
20050022548
2005-02-03

Sound jacket for noise reduction in refrigeration apparatus