Patents-Review.com
ClassID:

138132 ⎘

F01N2490/04 - CPC Classification

Classification description:

Structure, disposition or shape of gas-chambers; Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet only in one direction

Recent Application in this class:
#1
20260092545
2026-04-02

EXHAUST MUFFLER

 #2
20220372900
2022-11-24

Exhaust apparatus

 #3
20210207507
2021-07-08

Muffler with internally supported tuner

 #4
20210140354
2021-05-13

Muffler for vehicle

 #5
20200353813
2020-11-12

Exhaust gas purification device

 #6
20200347761
2020-11-05

Exhaust muffler for an exhaust system of an internal combustion engine

 #7
20200123947
2020-04-23

Muffler structure of saddle-type vehicle

 #8
20200123945
2020-04-23

Muffler structure of saddle-type vehicle

 #9
20190085744
2019-03-21

Exhaust device for internal combustion engine

 #10
20190078476
2019-03-14

Exhaust device for internal combustion engine

 #11
20190055866
2019-02-21

Exhaust device for internal combustion engine

 #12
20190032530
2019-01-31

Combined exhaust gas silencer

 #13
20170335741
2017-11-23

Muffler for an exhaust system of an internal combustion engine, especially for motor vehicles with hybrid drive

 #14
20170089239
2017-03-30

Exhaust muffler and sound deadening element

 #15
20170009683
2017-01-12

Engine system for working machine configured to contain noise reduction equipment

 #16
20160281557
2016-09-29

Silencer for internal combustion engine

 #17
20160061073
2016-03-03

Exhaust chamber for saddle-riding type vehicle

 #18
20150377113
2015-12-31

Muffler unit and vehicle including the same

 #19
20150275721
2015-10-01

System and method for tuned exhaust

 #20
20150152773
2015-06-04

Exhaust system for motorcycle

 #21
20140223891
2014-08-14

Two-stroke lean burn gas engine with a silencer-catalytic converter

 #22
20140060963
2014-03-06

Exhaust system for a motorcycle

 #23
20130319789
2013-12-05

Two-stroke engine comprising a muffler

 #24
20120227716
2012-09-13

TWO-STROKE MOTOR WITH IMPROVED SILENCER AND ADAPTED MOTOR MANAGEMENT

 #25
20110180344
2011-07-28

Travel vehicle-mounted engine device

 #26
20110030352
2011-02-10

Two-stroke lean burn gas engine with a silencer/catalytic converter

 #27
20090255519
2009-10-15

Silencer for a motor device

 #28
20090223740
2009-09-10

Silencer of exhaust gases, in particular for motor vehicles

 #29
20090114477
2009-05-07

Exhaust system for a motorcycle, and motorcycle incorporating same

 #30
20080141666
2008-06-19

Exhaust gas cooling system for engine

 #31
20080116004
2008-05-22

Motorcycle Exhaust System and Motorcycle Provided with Exhaust System

 #32
20080110693
2008-05-15

Exhaust system for motorcycle

 #33
20080072579
2008-03-27

Two-stroke lean burn gas engine with a silencer/catalytic converter

 #34
20080053078
2008-03-06

Two-stroke lean burn gas engine with a silencer/catalytic converter

 #35
20070261387
2007-11-15

MOTORCYCLE EXHAUST ENHANCEMENT DEVICE

 #36
20070245713
2007-10-25

Two-stroke lean burn gas engine with a silencer/catalytic converter

 #37
20070227001
2007-10-04

Method of producing metal tubular member

 #38
20060086563
2006-04-27

Compressor discharge pulsation dampener

 #39
20050262835
2005-12-01

Two-stroke lean burn gas engine with a silencer/catalytic converter

 #40
20050115763
2005-06-02

Motorcycle exhaust enhancers

 #41
20050115229
2005-06-02

Muffler with an integrated catalytic converter

 #42
20050103567
2005-05-19

Exhaust muffler for internal combustion engines

 #43
20050051383
2005-03-10

Muffler with internal heat shield