ClassID:

153357

F16L55/0333 - 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 an active system

Recent Application in this class:
#1
20230288009
2023-09-14

DEVICE AND METHOD FOR ACTIVELY REDUCING PRESSURE VARIATIONS IN A HYDRODYNAMIC SYSTEM

#2
20230123123
2023-04-20

VIBRATION ATTENUATION DEVICE AND RESONATOR

#3
20220163158
2022-05-26

Air supply duct for fan and combustion device including the same

#4
20190201656
2019-07-04

Vapor column liquid accumulator

#5
20180180456
2018-06-28

PULSE CANCELLING FOR FLOW MEASUREMENTS

#6
20180166060
2018-06-14

Active cancellation of a pulsating flow with a source noise reference

#7
20180135790
2018-05-17

Water hammer prevention system using operation state analysis algorithm

#8
20180031165
2018-02-01

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

#9
20170016566
2017-01-19

Shock absorber for hydraulic system

#10
20150159527
2015-06-11

Sound generator for a system for influencing exhaust noise of a motor vehicle

#11
20140311610
2014-10-23

Vibration absorbing pipe for refrigeration compressor

#12
20140154015
2014-06-05

Centre system

#13
20140096837
2014-04-10

Gas supply shock absorber for datacenter power generation

#14
20120308023
2012-12-06

Active noise control system for exhaust systems and method for controlling the same

#15
20110000734
2011-01-06

Exhaust system with active exhaust muffler

#16
20100194243
2010-08-05

Vibration sensor film, vibration actuator film, vibration reduction film, and multilayer film using them

#17
20090255754
2009-10-15

Active muffler

#18
20070125592
2007-06-07

Excitation of air directing valves and air handling surfaces in the cancellation of air handling system noise

#19
20070100587
2007-05-03

Noise reduction and estimation of pipeline signals