Patents-Review.com
ClassID:

137809 ⎘

F01N3/031 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start

Sub-classes:
Recent Application in this class:
#1
20250354507
2025-11-20

EXHAUST PURIFICATION APPARATUS

 #2
20250297567
2025-09-25

VEHICLE DIAGNOSTIC DEVICE

 #3
20240392711
2024-11-28

SYSTEM AND METHOD FOR REDUCING INTERNAL COMBUSTION ENGINE EMISSIONS

 #4
20240175382
2024-05-30

Reduction of tailpipe emissions from gasoline internal combustion engines with a combination of sorbents

 #5
20230407777
2023-12-21

Exhaust gas aftertreatment device

 #6
20220220875
2022-07-14

Reduction of internal combustion engine emissions with improvement of soot filtration efficiency

 #7
20220111324
2022-04-14

MANIFOLD ASSEMBLY FOR TRAP FILTER SYSTEMS

 #8
20220106905
2022-04-07

Low-pressure EGR system with turbo bypass

 #9
20210164374
2021-06-03

Exhaust aftertreatment component with bypass valve

 #10
20210140394
2021-05-13

Low-pressure EGR system with turbo bypass

 #11
20210140355
2021-05-13

EXHAUST TAIL PIPE INSERT/EMISSIONS FILTER

 #12
20200408141
2020-12-31

Low-pressure EGR system with turbo bypass

 #13
20200248600
2020-08-06

Exhaust tail pipe/emissions filter

 #14
20200191034
2020-06-18

Apparatus and method for controlling exhaust gas purification

 #15
20200122081
2020-04-23

Gas separating system

 #16
20190292969
2019-09-26

Gasoline particulate filter diagnostics

 #17
20190271629
2019-09-05

Methods and systems for exhaust particulate matter sensing

 #18
20190048777
2019-02-14

Gasoline particulate filter diagnostics

 #19
20190048776
2019-02-14

Gasoline particulate filter diagnostics

 #20
20190017423
2019-01-17

Method and system for a particulate filter having a bypass

 #21
20180340458
2018-11-29

Exhaust gas purification device for ship

 #22
20180340456
2018-11-29

Systems and methods for controlling bypass of exhaust after treatment device

 #23
20180313242
2018-11-01

EXHAUST TAIL PIPE/EMISSIONS FILTER

 #24
20180187588
2018-07-05

METHOD FOR OPERATING AN EXHAUST GAS AFTERTREATMENT SYSTEM, EXHAUST GAS AFTERTREATMENT SYSTEM, AND INTERNAL COMBUSTION ENGINE WITH AN EXHAUST GAS AFTERTREATMENT SYSTEM

 #25
20180087422
2018-03-29

Method and system for a HC trap

 #26
20180038250
2018-02-08

Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engine

 #27
20170306826
2017-10-26

PARTICULATE COLLECTION SYSTEM AND PARTICULATE COLLECTION APPARATUS

 #28
20170241317
2017-08-24

Exhaust treatment system having membrane module for water removal

 #29
20170138283
2017-05-18

System and method for bypassing a particulate filter

 #30
20170065918
2017-03-09

Exhaust gas treating device, temperature raising method of catalyst, regeneration method of honeycomb structure, and ash removing method

 #31
20160251994
2016-09-01

Particulate collection system and particulate collection apparatus

 #32
20160160769
2016-06-09

Method and apparatus for operating a vehicle, in particular a watercraft

 #33
20160160719
2016-06-09

Multi-leg aftertreatment system

 #34
20160053654
2016-02-25

Exhaust purification device for internal combustion engine

 #35
20150315986
2015-11-05

Natural gas engine and operation method for natural gas engine

 #36
20150240681
2015-08-27

Partial-flow diesel particulate filter using pressure regulated bypass

 #37
20150226099
2015-08-13

Active Control System for Diesel Particulate Filter

 #38
20150132193
2015-05-14

Particulate Filter Designed as a Partial Filter

 #39
20150023854
2015-01-22

Exhaust gas post-processing apparatus and control method thereof

 #40
20140116027
2014-05-01

Multi-leg aftertreatment system

 #41
20130111879
2013-05-09

Over temperature/pressure safety device for diesel particulate filters

 #42
20130067887
2013-03-21

Systems and methods for controlling exhaust flow through an aftertreatment device

 #43
20130031967
2013-02-07

Exhaust sensor

 #44
20130031894
2013-02-07

Method and exhaust-gas treatment device for regenerating an exhaust-gas purification component and motor vehicle having the exhaust-gas treatment device

 #45
20130014494
2013-01-17

Filter assembly and exhaust gas reducing device including same

 #46
20120198824
2012-08-09

Exhaust emission purifier of internal combustion engine

 #47
20120186228
2012-07-26

PARTICLE FILTER AND METHOD FOR THE PURIFICATION OF AN EXHAUST-GAS FLOW

 #48
20120124977
2012-05-24

EXHAUST GAS POST PROCESSING SYSTEM

 #49
20120096854
2012-04-26

ENGINE EXHAUST TREATMENT SYSTEM AND METHOD FOR TREATING EXHAUST GAS FROM AN ENGINE

 #50
20120060482
2012-03-15

Particulate filter and hydrocarbon adsorber bypass systems

 #51
20120036847
2012-02-16

Method for improving the light-off or regeneration behavior of an aftertreatment device in a vehicle system

 #52
20110283679
2011-11-24

Particulate filter system having a variable degree of separation

 #53
20110233436
2011-09-29

Conical air flow valve having improved flow capacity and control

 #54
20110146250
2011-06-23

THERMAL ENERGY CONTAINING ARRANGEMENT FOR AN EXHAUST GAS PURIFICATION DEVICE

 #55
20110072801
2011-03-31

Exhaust treatment system for internal combustion engine

 #56
20110005205
2011-01-13

Particulate matter reduction apparatus for diesel engine

 #57
20100269488
2010-10-28

Particulate trap system and method

 #58
20100242457
2010-09-30

Particulate matter concentration measuring apparatus

 #59
20100242456
2010-09-30

Particulate matter concentration measuring apparatus

 #60
20100242455
2010-09-30

Particulate matter concentration measuring apparatus

 #61
20100170228
2010-07-08

METHOD AND APPARATUS FOR TRUCK HEATED DUMP BODY

 #62
20100132336
2010-06-03

Exhaust gas purification system for an internal combustion engine

 #63
20090250041
2009-10-08

Device for purifying exhaust gas of a diesel engine

 #64
20090120076
2009-05-14

Process for reducing NOfrom combustion system exhaust

 #65
20090120070
2009-05-14

Exhaust cleaner for internal combustion engine

 #66
20090035195
2009-02-05

Exhaust treatment system with NOcontrol

 #67
20090031711
2009-02-05

Exhaust gas system, especially for an internal combustion engine of a motor vehicle

 #68
20090031702
2009-02-05

Particulate filter

 #69
20080196400
2008-08-21

Process and apparatus for treating exhaust gas of an internal combustion engine and vehicle having the apparatus

 #70
20080178576
2008-07-31

GPS-activated exhaust filtration monitoring and control system

 #71
20080163615
2008-07-10

Internal combustion engine exhaust filter with pressure relief

 #72
20080141663
2008-06-19

Exhaust gas purifier and method of control therefor

 #73
20080120968
2008-05-29

Partial wall-flow filter and diesel exhaust system and method

 #74
20080120961
2008-05-29

EXHAUST FILTRATION MONITORING AND CONTROL SYSTEM

 #75
20080087101
2008-04-17

PARTICULATE MATTER SENSOR

 #76
20080041052
2008-02-21

Exhaust gas post treatment system

 #77
20080028748
2008-02-07

Method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices

 #78
20070277515
2007-12-06

Exhaust Gas Purification Device

 #79
20070277512
2007-12-06

Internal combustion engine including dual particulate filter with ash accumulation receptacle

 #80
20070144245
2007-06-28

PM generating apparatus

 #81
20070137186
2007-06-21

Exhaust emission control device

 #82
20060283173
2006-12-21

Further improved reversing flow catalytic converter for internal combustion engines

 #83
20060266025
2006-11-30

Reversing flow catalytic converter for internal combustion engines

 #84
20060254266
2006-11-16

Emissions control

 #85
20060191255
2006-08-31

Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle

 #86
20060185353
2006-08-24

Strategy for selectively bypassing a DPF in a hybrid HCCI combustion engine

 #87
20060185352
2006-08-24

Exhaust system for a lean-burn ic engine

 #88
20060150810
2006-07-13

Gas cleaning devices

 #89
20060137329
2006-06-29

Filter desulfation system and method

 #90
20060096281
2006-05-11

Exhaust system and method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices

 #91
20060090457
2006-05-04

Emission reduction apparatus

 #92
20060059899
2006-03-23

Apparatus and method for filtering particulate and NOx emissions

 #93
20050284142
2005-12-29

Diesel engine exhaust system

 #94
20050284139
2005-12-29

Filter system

 #95
20050274104
2005-12-15

Optimum regeneration of diesel particulate filters and NOx traps using fuel reformers

 #96
20050247051
2005-11-10

Exhaust treatment control system for an internal combustion engine

 #97
20050210867
2005-09-29

Method for operating an internal combustion engine and device for implementing the method

 #98
20050166577
2005-08-04

Emissions control

 #99
20050126135
2005-06-16

Gas flow arrangement apparatus and to apparatus for removing pollutants from gas streams

 #100
20050098042
2005-05-12

Filtering device at a controlled temperature

 #101
20050081512
2005-04-21

Exhaust gas purification system

 #102
20050056008
2005-03-17

Particulate removing apparatus and diesel engine vehicle equipped with same

 #103
18756502
2025-10-07

Work vehicle and aftertreatment system therefor

 #104
18489944
2025-03-18

Reduced internal combustion engine particulate matter emissions