ClassID:

137807

F01N3/0293 - 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 using means for regenerating the filters, e.g. by burning trapped particles by adding non-fuel substances to exhaust injecting substances in exhaust stream

Sub-classes:
Recent Application in this class:
#1
20250314185
2025-10-09

IGNITED REDUCING COMPOSITIONS AND METHODS FOR CATALYTICALLY DECOMPOSING EXHAUST GAS MIXTURES

#2
20250059903
2025-02-20

Mixer Assembly

#3
20240376840
2024-11-14

EXHAUST GAS SYSTEM UNIT

#4
20240309801
2024-09-19

Explosion Safe Electrolysis Unit

#5
20240301815
2024-09-12

Ultra Low Enhancement Gas Injection

#6
20240093637
2024-03-21

ROLLOVER-SAFE ELECTROLYSIS UNIT FOR VEHICLES

#7
20240044272
2024-02-08

Configurable aftertreatment systems including a housing

#8
20230313723
2023-10-05

Mixer assembly

#9
20230250744
2023-08-10

Aftertreatment system

#10
20230235689
2023-07-27

Control method for reductant generation device, exhaust purification method, reductant generation system, and exhaust purification system

#11
20230123437
2023-04-20

Configurable aftertreatment systems including a housing

#12
20230062236
2023-03-02

HHO Precision Injection System

#13
20230060731
2023-03-02

Filter arrangement for a selective catalytic reduction system

#14
20230052188
2023-02-16

Onboard HHO Gas Generation System for Heavy Duty Trucks

#15
20230031074
2023-02-02

Diesel exhaust fluid doser protection during cold ambient temperature conditions using cylinder cutout methods

#16
20230003160
2023-01-05

Mixer assembly

#17
20220381172
2022-12-01

Exhaust aftertreatment arrangement for cleaning exhaust gases

#18
20220341361
2022-10-27

Explosion safe electrolysis unit

#19
20220136419
2022-05-05

Exhaust gas purification device for internal combustion engine, and vehicle

#20
20220056828
2022-02-24

Method for cleaning a component of an exhaust aftertreatment system and an exhaust system

#21
20220042439
2022-02-10

Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter

#22
20220034247
2022-02-03

Exhaust gas treatment system and method with four-way catalyzed filter element

#23
20210404365
2021-12-30

Systems and methods for dry chemical reductant insertion in aftertreatment systems

#24
20210339272
2021-11-04

Pulsed spraybar injector

#25
20210246820
2021-08-12

Mixing device

#26
20210231067
2021-07-29

System and method for injecting fluid

#27
20210215073
2021-07-15

Mitigating particulate matter emission in engine exhaust

#28
20210087988
2021-03-25

Method and arrangement for determining exhaust mass flow through a diesel particulate filter, and for controlling one or more engine components as a function of determined exhaust mass flow

#29
20210047952
2021-02-18

TREATMENT OF PARTICULATE FILTERS

#30
20200408121
2020-12-31

Exhaust gas treatment system and method with four-way catalyzed filter element

#31
20200400111
2020-12-24

Fuel injection device

#32
20200309003
2020-10-01

Method for regenerating exhaust gas filter and exhaust gas filter impregnation system

#33
20200284175
2020-09-10

Tempering system for gas turbine selective catalyst reduction system

#34
20200271046
2020-08-27

Method and system for emission control device heating

#35
20200263579
2020-08-20

Cooling device

#36
20200240305
2020-07-30

Exhaust gas heating element

#37
20200063622
2020-02-27

DEVICE AND METHOD FOR INJECTING A MIXING GAS INTO AN EXHAUST LINE

#38
20200032692
2020-01-30

Mixer and exhaust aftertreatment system

#39
20190234298
2019-08-01

Temperature control for HHO injection gas

#40
20190234297
2019-08-01

Onboard HHO gas generation system for heavy duty trucks

#41
20190233956
2019-08-01

Rollover safe electrolysis unit for vehicles

#42
20190233951
2019-08-01

Explosion safe electrolysis unit

#43
20190211732
2019-07-11

Mixing device

#44
20190099749
2019-04-04

Exhaust gas purification catalyst

#45
20190048773
2019-02-14

Methods and systems for regenerating a particle filter

#46
20190040777
2019-02-07

AN ENGINE SYSTEM LUBRICATED BY MEANS OF A LUBRICATION OIL THAT FORMS AMMONIA-SOLUBLE ASH WHEN COMBUSTED, AND A VEHICLE COMPRISING SUCH AN ENGINE SYSTEM

#47
20190024554
2019-01-24

Method and system for adjusting reductant delivery into a selective catalytic reduction with a filter (SCRF) device

#48
20180371974
2018-12-27

Fluid for purifying heat engines and methods for preparing said fluids by emulsification

#49
20180304198
2018-10-25

Fluid for purifying heat engines using stable suspensions of metal colloidal particles, and methods for preparing said fluid

#50
20180280997
2018-10-04

Pulsed spraybar injector

#51
20180266297
2018-09-20

Transportation refrigeration system comprising a refrigeration unit and a diesel engine

#52
20180230877
2018-08-16

Method and exhaust treatment system for treatment of an exhaust gas stream

#53
20180163588
2018-06-14

Internal combustion engine and method for removing particulate substance from internal combustion engine

#54
20180010499
2018-01-11

QUICK PURIFICATION DEVICE FOR SMOKE AND EXHAUST GAS DISCHARGED FROM MARINE ENGINE

#55
20170254222
2017-09-07

Gas turbine exhaust diffuser with air injection

#56
20170204762
2017-07-20

Exhaust after-treatment system including ammonia and hydrogen generation

#57
20160265411
2016-09-15

Exhaust purification device for internal combustion engine

#58
20160160723
2016-06-09

METHOD AND SYSTEM FOR REMOVING ASH WITHIN A PARTICULATE FILTER

#59
20160123200
2016-05-05

Systems for regeneration of a gasoline particulate filter

#60
20160047284
2016-02-18

Apparatus and Method for Preventing and Removing Carbon Deposits

#61
20150361860
2015-12-17

Exhaust-gas aftertreatment system with venturi exhaust passage devices

#62
20150315986
2015-11-05

Natural gas engine and operation method for natural gas engine

#63
20150292378
2015-10-15

Exhaust gas purification system for internal combustion engine

#64
20150204224
2015-07-23

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#65
20150192045
2015-07-09

Exhaust gas treatment system comprising a catalytic particulate filter, and corresponding method

#66
20140013741
2014-01-16

Soot burning method for particulate filters

#67
20130000283
2013-01-03

System for purifying exhaust gas and exhaust system having the same

#68
20120090299
2012-04-19

Method to reduce the ignition temperature of soot being accumulated on a particulate trap

#69
20110030347
2011-02-10

After-treatment apparatus for exhaust gas right after a combustion chamber

#70
20100319731
2010-12-23

Method and apparatus for cleaning particle filters in exhaust gas systems of combustion engines

#71
20100266461
2010-10-21

Method For Reducing Pressure Drop Through Filters, And Filter Exhibiting Reduced Pressure Drop

#72
20100132341
2010-06-03

Power system

#73
20100024402
2010-02-04

Feeding arrangement for a liquid additive for an internal-combustion-engine

#74
20090320455
2009-12-31

Method for controlling a facility for treating exhaust gases from an internal combustion engine

#75
20080098727
2008-05-01

Selective oxidation catalyst injection based on temperature

#76
20080041052
2008-02-21

Exhaust gas post treatment system

#77
20060254266
2006-11-16

Emissions control

#78
20050284117
2005-12-29

Particle filter

#79
20050166577
2005-08-04

Emissions control

#80
17806377
2023-11-07

System and method for dosing a selective catalytic reduction catalyst

#81
17740362
2023-08-22

System, apparatus, and method for diesel exhaust fluid (DEF) dosing

#82
17002505
2021-11-23

Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter