Patents-Review.com
ClassID:

138141 ⎘

F01N2490/18 - CPC Classification

Classification description:

Structure, disposition or shape of gas-chambers Dimensional characteristics of gas chambers

Recent Application in this class:
#1
20250360999
2025-11-27

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

 #2
20240286726
2024-08-29

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

 #3
20240003275
2024-01-04

ACOUSTIC IMPEDANCE CHANGE STRUCTURE AND AIR PASSAGE TYPE SILENCER

 #4
20220186651
2022-06-16

Decomposition chamber for aftertreatment systems

 #5
20210332733
2021-10-28

Decomposition chamber for aftertreatment systems

 #6
20210131343
2021-05-06

Two-passage exhaust system for an engine

 #7
20210115823
2021-04-22

Two-stroke engine exhaust resonator with exhaust gas catalytic converter

 #8
20190085744
2019-03-21

Exhaust device for internal combustion engine

 #9
20190078476
2019-03-14

Exhaust device for internal combustion engine

 #10
20190055866
2019-02-21

Exhaust device for internal combustion engine

 #11
20180030874
2018-02-01

Mix box

 #12
20170335729
2017-11-23

Slip-type active noise control muffler and method for controlling the same

 #13
20160341084
2016-11-24

Engine system with turbulence assisted damping of low frequency sound

 #14
20160176476
2016-06-23

Motorcycle and motorcycle rear wheel swingarm with integrated resonator

 #15
20150275721
2015-10-01

System and method for tuned exhaust

 #16
20150204280
2015-07-23

Gas flow unit, a gas treatment device and a combustion engine provided therewith

 #17
20150152773
2015-06-04

Exhaust system for motorcycle

 #18
20150047922
2015-02-19

Muffler having coupling of a tailpipe by means of a coupling chamber

 #19
20130230434
2013-09-05

Four cycle internal combustion engine exhaust

 #20
20120228053
2012-09-13

Silencer for a two-stroke motor of a power tool

 #21
20120137666
2012-06-07

Exhaust gas apparatus of an internal combustion engine

 #22
20120085589
2012-04-12

Muffler for vehicle

 #23
20120042637
2012-02-23

TALL VERTICAL SCR

 #24
20110088377
2011-04-21

EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE

 #25
20110073405
2011-03-31

Exhaust component

 #26
20110041488
2011-02-24

EXHAUST SYSTEM OF INTERNAL COMBUSTION ENGINE

 #27
20110005860
2011-01-13

EXHAUST COMPONENT WITH REDUCED PACK

 #28
20100300799
2010-12-02

Exhaust silencer device for internal combustion engine

 #29
20090223740
2009-09-10

Silencer of exhaust gases, in particular for motor vehicles

 #30
20080236151
2008-10-02

Exhaust device for motorcycle

 #31
20080023265
2008-01-31

Combination Silencer

 #32
20070205044
2007-09-06

Silencer

 #33
20050194208
2005-09-08

Compact silencer

 #34
20050126850
2005-06-16

Exhaust muffling device

 #35
20050103003
2005-05-19

Exhaust gas muffler

 #36
18369485
2024-07-23

Exhaust handling systems for marine vessels and related methods