Patents-Review.com
ClassID:

137770 ⎘

F01N1/18 - CPC Classification

Classification description:

Silencing apparatus characterised by method of silencing by using movable parts having rotary movement

Recent Application in this class:
#1
20240376991
2024-11-14

COUPLING DEVICE, VALVE SYSTEM AND METHOD FOR ASSEMBLING A COUPLING DEVICE

 #2
20240167405
2024-05-23

EXHAUST VALVE AND METHOD FOR MANUFACTURING SAME

 #3
20220298940
2022-09-22

Noise abatement system for internal combustion engines

 #4
20220049635
2022-02-17

Gas flow and sound control valve for exhaust gas system

 #5
20210317769
2021-10-14

Exhaust system for an internal combustion engine

 #6
20210148262
2021-05-20

Multi-mode exhaust muffler

 #7
20210140354
2021-05-13

Muffler for vehicle

 #8
20210131324
2021-05-06

Adaptive exhaust valve with purpose-designed spring

 #9
20210033008
2021-02-04

Exhaust system for an internal combustion engine

 #10
20200173321
2020-06-04

Silencer for fuel cell vehicles

 #11
20190360374
2019-11-28

Exhaust valve damper

 #12
20190323612
2019-10-24

Piloted exhaust line valve and corresponding production method

 #13
20190213993
2019-07-11

Well site noise control

 #14
20190203619
2019-07-04

Exhaust system having tunable exhaust sound

 #15
20190085744
2019-03-21

Exhaust device for internal combustion engine

 #16
20190078476
2019-03-14

Exhaust device for internal combustion engine

 #17
20190055866
2019-02-21

Exhaust device for internal combustion engine

 #18
20180371972
2018-12-27

Internal Combustion Engine with reduced noise and increased performance

 #19
20180238208
2018-08-23

Vehicle including cabin disturbance mitigation system

 #20
20180211646
2018-07-26

System and a method for attenuating sound produced by a vehicle

 #21
20180202353
2018-07-19

Method to control an electrically-operated turbocharger in a supercharged internal combustion engine for increasing acoustical emission in the exhaust

 #22
20180128189
2018-05-10

Exhaust gas flap

 #23
20180119621
2018-05-03

Exhaust gas flap

 #24
20180051611
2018-02-22

Electric valve

 #25
20170204756
2017-07-20

Passive exhaust valve assembly with overlapping slip joint and method of forming and installation

 #26
20170107876
2017-04-20

Exhaust flow valve with revrumble feature

 #27
20170089270
2017-03-30

Element of an exhaust line comprising valve with added stoppers

 #28
20170074135
2017-03-16

Exhaust system spring with torsional damping

 #29
20160348554
2016-12-01

System and method for reducing cold start emissions using an active exhaust throttle valve and an exhaust gas recirculation loop

 #30
20160160718
2016-06-09

Triple baffled muffler

 #31
20150040544
2015-02-12

Structure for utilizing exhaust heat of vehicle

 #32
20150027566
2015-01-29

Valve device for exhaust gas flow path

 #33
20140366516
2014-12-18

Engine apparatus

 #34
20120193221
2012-08-02

Radial counterflow muffler for NO reduction and pollutant collection

 #35
20120045349
2012-02-23

Pressure pulsation dampener

 #36
20120031081
2012-02-09

Method and apparatus for reducing harmful emissions from combustion

 #37
20110079462
2011-04-07

Muffling device

 #38
20100229543
2010-09-16

DEVICE FOR INFLUENCING AN EXHAUST GAS FLOW

 #39
20100025146
2010-02-04

Baffle plate operating mechanism for muffler

 #40
20090217668
2009-09-03

DEVICE FOR INFLUENCING AN EXHAUST GAS FLOW

 #41
20070246294
2007-10-25

Exhaust noise control for motorcycles

 #42
20070107981
2007-05-17

Exhaust silencer

 #43
20070080314
2007-04-12

Exhaust valve bushing

 #44
20070006829
2007-01-11

Velocity control of exhaust valve actuation

 #45
20060272322
2006-12-07

Electrically actuated flow assisted exhaust valve

 #46
20060151238
2006-07-13

Tail gunner exhaust muffler

 #47
20060037810
2006-02-23

Muffler for pneumatic tools

 #48
20050011699
2005-01-20

Muffler

 #49
20050011697
2005-01-20

Rotatable propeller driven engine exhaust system

 #50
14461214
2016-02-09

Engine with exhaust system and external acoustic emissions valve

 #51
14100611
2016-03-22

Automated system for pressure pulsation dampening