Patents-Review.com
ClassID:

137922 ⎘

F01N13/02 - CPC Classification

Classification description:

Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups  - , , having two or more separate silencers in series

Recent Application in this class:
#1
20250207522
2025-06-26

ACTIVE HYDROCARBON TRAP FOR REDUCTION OF EMISSIONS FROM INTERNAL COMBUSTION ENGINES USING A FOUR VALVE CONFIGURATION

 #2
20250032984
2025-01-30

CLOSE-COUPLED SCR SYSTEM

 #3
20240018888
2024-01-18

Exhaust Gas Rectifier And Exhaust Gas Purification System

 #4
20220186642
2022-06-16

EXHAUST PIPE

 #5
20210231036
2021-07-29

MUFFLER SYSTEM

 #6
20210131343
2021-05-06

Two-passage exhaust system for an engine

 #7
20200300139
2020-09-24

Catalyst warning apparatus

 #8
20200102875
2020-04-02

EXHAUST GAS PURIFICATION DEVICE

 #9
20190338690
2019-11-07

Muffler assembly including a center muffler and two satellite mufflers

 #10
20190337377
2019-11-07

Muffler assembly including a center muffler and two satellite mufflers

 #11
20190271246
2019-09-05

Exhaust purification system of internal combustion engine

 #12
20190195116
2019-06-27

Exhaust system for a combustion engine of a motor vehicle and motor vehicle

 #13
20190136740
2019-05-09

Exhaust silencer device

 #14
20190085744
2019-03-21

Exhaust device for internal combustion engine

 #15
20190078476
2019-03-14

Exhaust device for internal combustion engine

 #16
20190055866
2019-02-21

Exhaust device for internal combustion engine

 #17
20180363533
2018-12-20

Emissions control systems and methods

 #18
20180347425
2018-12-06

Exhaust purification system of internal combustion engine

 #19
20180291795
2018-10-11

Vehicle exhaust assembly

 #20
20180274468
2018-09-27

VEHICLE EXHAUST SYSTEM

 #21
20180211646
2018-07-26

System and a method for attenuating sound produced by a vehicle

 #22
20180202344
2018-07-19

Exhaust system for an internal combustion automotive engine

 #23
20180149052
2018-05-31

Acoustic attenuator for damping pressure vibrations in an exhaust system of an engine, an acoustic attenuation system using the attenuators, and method of damping pressure vibrations in an exhaust system of an engine

 #24
20170362976
2017-12-21

Exhaust system for an engine

 #25
20170349233
2017-12-07

VEHICLE WITH STRUCTURE FOR IMPROVED ENGINE OUTPUT

 #26
20170241313
2017-08-24

Emissions treatment system with ammonia-generating and SCR catalysts

 #27
20170241310
2017-08-24

Acoustic device

 #28
20170211439
2017-07-27

Exhaust gas system for an internal combustion engine

 #29
20170198617
2017-07-13

Exhaust system for an internal combustion engine and method for operating the exhaust system

 #30
20170183994
2017-06-29

Exhaust device structure for rocking vehicle

 #31
20170114698
2017-04-27

Exhaust-gas module for an internal combustion engine

 #32
20170074133
2017-03-16

Exhaust gas muffler

 #33
20170058750
2017-03-02

Emissions control systems and methods

 #34
20170058733
2017-03-02

Exhaust system for an internal combustion engine

 #35
20170058732
2017-03-02

Exhaust system having variable exhaust gas paths

 #36
20160341083
2016-11-24

Muffler for construction machine

 #37
20160160727
2016-06-09

Aftertreatment module having replaceable catalyst housing

 #38
20160053658
2016-02-25

Exhaust system for an internal combustion engine and method for operating the exhaust system

 #39
20160024989
2016-01-28

Exhaust gas system for an internal combustion engine and method for operating the exhaust gas system

 #40
20150283507
2015-10-08

Device and method for the purification of diesel engine exhaust gases

 #41
20150275723
2015-10-01

Method for operating an internal combustion engine, and internal combustion engine

 #42
20150247433
2015-09-03

IC power plant and method of operation

 #43
20150233276
2015-08-20

MODULAR ASSEMBLY FOR AFTERTREATMENT SYSTEM

 #44
20150211209
2015-07-30

Engine support mechanism with aftertreatment device

 #45
20150176450
2015-06-25

Method for operating an exhaust gas system of a motor vehicle, and exhaust gas system for an internal combustion engine of a motor vehicle

 #46
20150136520
2015-05-21

Structure of dual exhaust system for CDA engine

 #47
20150101885
2015-04-16

Structure of exhaust system for CDA engine

 #48
20150101884
2015-04-16

Structure of exhaust system for CDA engine

 #49
20150053190
2015-02-26

Fuel control for spark ignited engine having a particulate filter system

 #50
20140352297
2014-12-04

Cylinder block arrangement with an exhaust gas system

 #51
20140291067
2014-10-02

Exhaust silencing device

 #52
20140260220
2014-09-18

Exhaust purification device

 #53
20140250874
2014-09-11

Exhaust device for multicylinder engine

 #54
20140248200
2014-09-04

Emissions treatment system with ammonia-generating and SCR catalysts

 #55
20140230418
2014-08-21

Assembly for purifying exhaust gases

 #56
20140230416
2014-08-21

Exhaust gas control apparatus for internal combustion engine

 #57
20140186245
2014-07-03

Exhaust system for a lean-burn IC engine comprising a PGM component and a SCR catalyst

 #58
20140096856
2014-04-10

Exhaust gas system component for internal combustion engine and method of manufacturing an exhaust gas system component

 #59
20140047819
2014-02-20

Emissions treatment system with ammonia-generating and SCR catalysts

 #60
20140010744
2014-01-09

SYSTEM AND METHOD FOR IMPROVING OPERATION OF AN SCR

 #61
20140008140
2014-01-09

Construction machine

 #62
20130283789
2013-10-31

Method and system for a turbocharged engine

 #63
20130283770
2013-10-31

Integrated exhaust gas after-treatment system for diesel fuel engines

 #64
20130276427
2013-10-24

Method and device for testing the function capacity of an NO oxidation catalyst

 #65
20130269327
2013-10-17

Motor-vehicle internal combustion engine with exhaust-gas recirculation

 #66
20130263591
2013-10-10

Nitrogen dioxide generation diagnostic for a diesel after-treatment system

 #67
20130230434
2013-09-05

Four cycle internal combustion engine exhaust

 #68
20130125524
2013-05-23

Emissions control systems and methods

 #69
20130111860
2013-05-09

Device for particle separation in an exhaust-gas recirculation system and motor vehicle having the device

 #70
20130056299
2013-03-07

MUFFLER FOR AN EXHAUST SYSTEM OF VEHICLE

 #71
20130047590
2013-02-28

Radial mounting for regeneration device

 #72
20130039817
2013-02-14

Exhaust gas purifying apparatus

 #73
20130025262
2013-01-31

Exhaust purification apparatus for engine

 #74
20130008737
2013-01-10

Control device of a motor vehicle

 #75
20120305112
2012-12-06

Exhaust gas purifying device

 #76
20120260626
2012-10-18

IC Power Plant and Method of Operation

 #77
20120255287
2012-10-11

Exhaust emission control device

 #78
20120247086
2012-10-04

Exhaust methane control systems and methods

 #79
20120233984
2012-09-20

Method and system for controlling a nitrogen oxide (NOx) conversion efficiency monitor

 #80
20120227380
2012-09-13

Hydrocarbon conversion diagnostic

 #81
20120222406
2012-09-06

Exhaust purification system for internal combustion engine

 #82
20120222401
2012-09-06

Method for operating an exhaust system of an internal combustion engine

 #83
20120180479
2012-07-19

Internal combustion engine

 #84
20120180462
2012-07-19

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #85
20120168245
2012-07-05

Exhaust pipe part and exhaust apparatus for internal combustion engine

 #86
20120124973
2012-05-24

Method for predicting NOx amount and exhaust system using the same

 #87
20120067026
2012-03-22

Exhaust gas treatment system for an internal combustion engine

 #88
20120060471
2012-03-15

Exhaust gas aftertreatment system and method of operation

 #89
20120042636
2012-02-23

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #90
20120036850
2012-02-16

Waste heat recovery system for recapturing energy after engine aftertreatment systems

 #91
20120036839
2012-02-16

Vehicle oxidation catalyst efficiency model for adaptive control and diagnostics

 #92
20120023935
2012-02-02

Method and system for a turbocharged engine

 #93
20120023934
2012-02-02

Method and system for a turbocharged engine

 #94
20110271673
2011-11-10

EXHAUST SYSTEM FOR A COMBUSTION ENGINE

 #95
20110257899
2011-10-20

Method to estimate NOconcentration in an exhaust gas of an internal combustion engine

 #96
20110252772
2011-10-20

Device for purifying exhaust gas of an internal combustion engine

 #97
20110239646
2011-10-06

Closely coupled exhaust aftertreatment system for a turbocharged engine

 #98
20110192677
2011-08-11

Exhaust muffler device

 #99
20110185704
2011-08-04

Device and method for purifying exhaust gases for an internal combustion engine

 #100
20110173950
2011-07-21

Emissions treatment system with ammonia-generating and SCR catalysts

 #101
20110146248
2011-06-23

Radial mounting for regeneration device

 #102
20110072787
2011-03-31

Fuel control for spark ignited engine having a particulate filter system

 #103
20110067387
2011-03-24

Thermally efficient exhaust treatment system for an internal combustion engine

 #104
20110067386
2011-03-24

Oxidizing Particulate Filter

 #105
20110056190
2011-03-10

Exhaust gas purification apparatus of an internal combustion engine

 #106
20110047983
2011-03-03

Exhaust system

 #107
20110036073
2011-02-17

Exhaust purification device of internal combustion engine

 #108
20110000201
2011-01-06

Exhaust system for an internal combustion engine

 #109
20100326054
2010-12-30

EXHAUST GAS PURIFICATION SYSTEM

 #110
20100307134
2010-12-09

Device and method for the reduction of emissions

 #111
20100300799
2010-12-02

Exhaust silencer device for internal combustion engine

 #112
20100257850
2010-10-14

Exhaust emission control device

 #113
20100223916
2010-09-09

Exhaust gas purification device

 #114
20100199843
2010-08-12

IMPACT DIESEL PARTICULATE FILTER

 #115
20100192559
2010-08-05

Passive valve assembly with negative start angle

 #116
20100178215
2010-07-15

Exhaust gas purification apparatus

 #117
20100175372
2010-07-15

Compact diesel engine exhaust treatment system

 #118
20100146946
2010-06-17

DEVICE FOR USE IN EXHAUST AFTERTREATMENT SYSTEM

 #119
20100132357
2010-06-03

Internal combustion engine system

 #120
20100115923
2010-05-13

Exhaust purification device of an internal combustion engine

 #121
20100107630
2010-05-06

Exhaust temperature and pressure modeling systems and methods

 #122
20100101219
2010-04-29

EXHAUST SYSTEM FOR A VEHICLE

 #123
20090321181
2009-12-31

Inserts for engine exhaust systems

 #124
20090308056
2009-12-17

PROCEDURE AND DEVICE FOR THE PURIFICATION OF EXHAUST GAS

 #125
20090166115
2009-07-02

VEHICLE WITH STRUCTURE FOR IMPROVED ENGINE OUTPUT

 #126
20090131243
2009-05-21

Method for the reactivation of thermally aged nitrogen oxide storage catalytic converters

 #127
20090114477
2009-05-07

Exhaust system for a motorcycle, and motorcycle incorporating same

 #128
20080302597
2008-12-11

Exhaust system

 #129
20080256937
2008-10-23

FLUID HEATING DEVICE AND EXHAUST GAS PURIFYING APPARATUS

 #130
20080190689
2008-08-14

Inserts for engine exhaust systems

 #131
20080127915
2008-06-05

Motor engine family

 #132
20080093161
2008-04-24

Rear muffler assembly

 #133
20080078168
2008-04-03

Exhaust purification device

 #134
20080078165
2008-04-03

CLOSE-COUPLED CATALYTIC CONVERTER

 #135
20080066446
2008-03-20

Impact diesel particulate filter

 #136
20080057803
2008-03-06

Personal watercraft with engine having exhaust collecting system

 #137
20080053068
2008-03-06

Device & Method for the Reduction of Emissions

 #138
20080022664
2008-01-31

Optimal fuel profiles

 #139
20070277517
2007-12-06

Exhaust pipe structure

 #140
20070272479
2007-11-29

Exhaust system for an internal combustion engine

 #141
20070240933
2007-10-18

Method for Reducing Noise of a High Power Combustion Engine

 #142
20070178352
2007-08-02

Fuel cell system with muffler

 #143
20070131481
2007-06-14

Method and apparatus for attenuating sound in a vehicle exhaust system

 #144
20070107419
2007-05-17

Exhaust system for motorcycle

 #145
20070105465
2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

 #146
20070095605
2007-05-03

Muffler for vehicle

 #147
20070068465
2007-03-29

Watercraft having a four stroke engine with a supercharger

 #148
20070056268
2007-03-15

LNT-SCR packaging

 #149
20060286877
2006-12-21

Personal watercraft

 #150
20060286012
2006-12-21

Method and apparatus for combination catalyst for reduction of NOin combustion products

 #151
20060260868
2006-11-23

Exhaust flow rate control valve

 #152
20060223393
2006-10-05

Exhaust device of boat

 #153
20060201742
2006-09-14

Motorcycle exhaust system

 #154
20060185924
2006-08-24

Engine exhaust system for a vehicle

 #155
20060011409
2006-01-19

Exhaust system of a turbo-charged engine

 #156
20050257517
2005-11-24

Automotive exhaust valve

 #157
20050210865
2005-09-29

Accelerating catalytic conversion

 #158
20050167192
2005-08-04

Silencer for a motor vehicle exhaust system, and its method of mounting

 #159
20050160720
2005-07-28

System and method for removing hydrogen sulfide from an emissions stream

 #160
20050155816
2005-07-21

Dynamic exhaust system for advanced internal combustion engines

 #161
20050103001
2005-05-19

Method and system for regenerating NOadsorbers and/or particulate filters

 #162
20050022515
2005-02-03

Motor vehicle having special arrangement of fuel tank, preliminary muffler and reduction agent tank

 #163
20050011698
2005-01-20

Internal combustion engine exhaust system

 #164
14270857
2015-06-30

Powertrain and method of determining residual gas volume