ClassID:

137981

F01N2240/25 - CPC Classification

Classification description:

Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes or , one of the devices being an ammonia generator

Recent Application in this class:
#1
20260125999
2026-05-07

AMMONIA GASIFIER FOR A SELECTIVE CATALYTIC REDUCTION DEVICE, AND ASSOCIATED SYSTEMS AND METHODS

#2
20260125998
2026-05-07

EXHAUST TREATMENT DEVICE

#3
20250003361
2025-01-02

Exhaust gas purification apparatus and exhaust gas purification method

#4
20220403766
2022-12-22

Exhaust gas mixer, system, and method of using

#5
20220259998
2022-08-18

DEVICE AND METHOD FOR EXHAUST GAS POST TREATMENT AND USE THEREOF

#6
20210222602
2021-07-22

Reductant injecting device, exhaust gas processing device and exhaust gas processing method

#7
20210131326
2021-05-06

Ammonia generation system for NOx emission control

#8
20200363370
2020-11-19

Method for monitoring a gas sensor

#9
20200248606
2020-08-06

Ammonia production catalyst and after treatment system

#10
20200049049
2020-02-13

Method for operating a feed module of an SCR catalytic converter system

#11
20190178136
2019-06-13

Installation for depollution of exhaust gases, particularly of an internal-combustion engines, and method using such an installation

#12
20190112962
2019-04-18

Mixing device

#13
20190055868
2019-02-21

Ammonia generation from engine exhaust at ambient conditions using water-gas shift and ammonia synthesis catalysts

#14
20180363527
2018-12-20

Temperature-based control of reagent distribution

#15
20180320574
2018-11-08

METHOD FOR ACTIVATING/DEACTIVATING A BIOLOGICAL CATALYST USED IN A CONVERSION SYSTEM ON BOARD A VEHICLE

#16
20180298801
2018-10-18

Extruded honeycomb catalyst

#17
20180238219
2018-08-23

Methods and systems for an exhaust gas aftertreatment device

#18
20180238217
2018-08-23

Exhaust aftertreatment system with ammonia gas generator

#19
20180163597
2018-06-14

Exhaust gas treatment system

#20
20180038302
2018-02-08

Exhaust emission control system of engine

#21
20170204767
2017-07-20

AMMONIA PRECURSOR GENERATING SYSTEM FOR USE IN A VEHICLE

#22
20170175605
2017-06-22

Exhaust gas purification system for an internal combustion engine

#23
20170122169
2017-05-04

Exhaust aftertreatment system with ammonia gas generator

#24
20170074143
2017-03-16

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#25
20160290262
2016-10-06

Method for operating an exhaust gas purification system of an internal combustion engine

#26
20160290261
2016-10-06

Method and system of driver inducement for vehicle

#27
20160230632
2016-08-11

Dual path aftertreatment system and method utilizing fuel as an on-board reductant for NOx SCR

#28
20160222856
2016-08-04

Exhaust gas purification apparatus for internal combustion engine

#29
20160138452
2016-05-19

Reagent dosing system and method of dosing reagent

#30
20160131000
2016-05-12

Selective catalytic reduction and catalytic regeneration system

#31
20160076420
2016-03-17

Ammonia generation system for an SCR system

#32
20160047287
2016-02-18

Internal combustion engine having dedicated cylinder(s) for generation of both EGR and exhaust aftertreatment reductant for NOx-reducing catalyst

#33
20150315033
2015-11-05

Ammonia gas generator, method for producing ammonia and use of the same for reducing nitrogen oxides in exhaust gases

#34
20150314238
2015-11-05

Ammonia gas generator and use of the same for reducing nitrogen oxides in exhaust gases

#35
20150298061
2015-10-22

Exhaust gas purification apparatus for an internal combustion engine

#36
20150298060
2015-10-22

System and method for reducing nitrogen oxide in exhaust

#37
20140373509
2014-12-25

Method and device for treating exhaust gas condensates of an internal combustion engine

#38
20140311128
2014-10-23

Reagent dosing system and method of dosing reagent

#39
20140250866
2014-09-11

Solid ammonia delivery system

#40
20140241950
2014-08-28

Exhaust system for a lean burn IC engine

#41
20140150410
2014-06-05

Ammonia gas generator for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#42
20140147356
2014-05-29

Ammonia gas generator and method for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#43
20140127100
2014-05-08

Method for the production of ammonia from an ammonia precursor substance in order to reduce nitrogen oxides in exhaust gases

#44
20140102081
2014-04-17

Combustion driven ammonia generation strategies for passive ammonia SCR system

#45
20130269317
2013-10-17

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system

#46
20130052095
2013-02-28

Exhaust purification system for internal combustion engine

#47
20120073266
2012-03-29

Process for the Removal of Harmful Substances from Exhaust Gases of Combustion Engines and Catalyst for Carrying Out Said Process

#48
20120045378
2012-02-23

Method and devices for heating urea-containing materials in vehicle emission control system

#49
20120042639
2012-02-23

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

#50
20110302909
2011-12-15

Selective catalytic reduction via electrolysis of urea

#51
20110265463
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#52
20110189068
2011-08-04

System for treating a gas stream

#53
20110185704
2011-08-04

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

#54
20110179777
2011-07-28

Exhaust system for a lean burn ic engine

#55
20110023470
2011-02-03

Evaporation unit for producing a gas including at least one reducing agent precursor and/or a reducing agent and device and motor vehicle having the evaporation unit

#56
20110008228
2011-01-13

Use of aqueous guanidinium formate solutions for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles

#57
20110005200
2011-01-13

Catalyst system for the reduction of NOx and NHemissions

#58
20100300081
2010-12-02

FLASH HEAT AMMONIA GENERATOR

#59
20100287911
2010-11-18

Exhaust gas purification system and exhaust gas purification method

#60
20100242864
2010-09-30

Exhaust gas purification system and exhaust gas purification method

#61
20100236219
2010-09-23

Engine-off ammonia vapor management system and method

#62
20100224142
2010-09-09

Method of exhaust cleaning for internal combustion engine and exhaust cleaner

#63
20100212300
2010-08-26

Exhaust Purification With On-Board Ammonia Production

#64
20100209321
2010-08-19

Catalyst System for the Reduction of NOx and NH3 Emissions

#65
20100186391
2010-07-29

TECHNIQUE FOR PRODUCTION OF AMMONIA ON DEMAND IN A THREE WAY CATALYST FOR A PASSIVE SELECTIVE CATALYTIC REDUCTION SYSTEM

#66
20100186390
2010-07-29

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system

#67
20100154390
2010-06-24

Exhaust gas purification system for an internal combustion engine

#68
20100115926
2010-05-13

Method of controlling NOx purification system and NOx purification system

#69
20100107607
2010-05-06

Method and device for producing ammonia for the exhaust gas treatment in internal combustion engines in a motor vehicle

#70
20100107604
2010-05-06

AMMONIA GENERATOR, VEHICLE AND METHOD FOR GENERATING AMMONIA

#71
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

#72
20100058746
2010-03-11

Catalytic activated diesel particle filter with ammonia trap effect

#73
20100047144
2010-02-25

Method for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles

#74
20100000202
2010-01-07

Dual catalyst NOx reduction system for exhaust from lean burn internal combustion engines

#75
20090308054
2009-12-17

Method for controlling NOreduction system

#76
20090301067
2009-12-10

Reagent dosing system and method of dosing reagent

#77
20090255237
2009-10-15

SCR catalytic converter without NH3 or urea injection

#78
20090211230
2009-08-27

Method and apparatus for temperature management in an exhaust gas posttreatment system

#79
20090199550
2009-08-13

Catalytic converter assembly in an exhaust gas posttreatment system

#80
20090149318
2009-06-11

Catalyst system for the reduction of NOx and NHemissions

#81
20090145114
2009-06-11

EXHAUST EMISSION CONTROL DEVICE

#82
20090077948
2009-03-26

EXHAUST EMISSION PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

#83
20080302093
2008-12-11

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

#84
20080295494
2008-12-04

Multi-engine system with on-board ammonia production

#85
20080271442
2008-11-06

Exhaust gas system for an internal combustion engine

#86
20080256932
2008-10-23

Exhaust gas purification system

#87
20080175776
2008-07-24

Method for reducing a particle and nitrogen oxide proportion in an exhaust gas flow of an internal combustion engine and corresponding exhaust gas treatment unit

#88
20080102010
2008-05-01

Method and Device for Treating Exhaust Gases of Internal Combustion Engines

#89
20080089820
2008-04-17

Method and Device for Providing Ammonia in an Exhaust Gas Flow of an Internal Combustion Engine

#90
20080085231
2008-04-10

System and method for reducing nitrogen oxides emissions

#91
20080072575
2008-03-27

Catalyst to improve low temperature deNOx activity in a reformer-LNT exhaust aftertreatment system

#92
20080066452
2008-03-20

Engine-off ammonia vapor management system and method

#93
20080060349
2008-03-13

Adaptive control of reformer inlet oxygen concentration

#94
20080053071
2008-03-06

System and Method for Reducing NOx Emissions

#95
20080041052
2008-02-21

Exhaust gas post treatment system

#96
20080034740
2008-02-14

Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process

#97
20080022666
2008-01-31

Balanced partial two-stroke engine

#98
20080022665
2008-01-31

Exhaust gas recirculation and selective catalytic reduction system

#99
20070277506
2007-12-06

Ammonia producing engine utilizing oxygen separation

#100
20070274892
2007-11-29

Exhaust gas purification unit with reducing agent supply

#101
20070227143
2007-10-04

Exhaust purification with on-board ammonia production

#102
20070202031
2007-08-30

Device and procedure for the production of ammonia

#103
20070193252
2007-08-23

Exhaust aftertreatment device with star-plugged turbulator

#104
20070157608
2007-07-12

Method for the reduction of NOand NHemissions

#105
20070144156
2007-06-28

Catalyst system for the reduction of NOand NHemissions

#106
20070144153
2007-06-28

Catalyst system for the reduction of NOand NHemissions

#107
20070144150
2007-06-28

Procedure for controlling the reducing agent in an exhaust gas post-processing system

#108
20070137182
2007-06-21

Selective catalytic reduction system

#109
20070125077
2007-06-07

Emission control system for a motor vehicle

#110
20070125073
2007-06-07

LNT desulfation strategy

#111
20070122317
2007-05-31

Multi-stage system for selective catalytic reduction

#112
20070119154
2007-05-31

Procedure and device to heat a reducing agent generation system

#113
20070110653
2007-05-17

Process for reducing agent control in an exhaust gas aftertreatment system

#114
20070108039
2007-05-17

Control of air flow for apparatus to produce reduction agents

#115
20070092426
2007-04-26

On-board ammonia generation and exhaust after treatment system using same

#116
20070089706
2007-04-26

Air and fuel supply system for combustion engine operating in HCCI mode

#117
20070079805
2007-04-12

Air and fuel supply system for combustion engine operating at optimum engine speed

#118
20070079602
2007-04-12

Thermal management of hybrid LNT/SCR aftertreatment during desulfation

#119
20070074504
2007-04-05

Engine system including multipe engines and method of operating same

#120
20070068149
2007-03-29

Air and fuel supply system for combustion engine with particulate trap

#121
20070068142
2007-03-29

Engine system with low and high NOx generation algorithms and method of operating same

#122
20070062180
2007-03-22

Combustion engine including exhaust purification with on-board ammonia production

#123
20070051097
2007-03-08

Method and apparatus for adding a reactant to an exhaust gas from an internal combustion engine

#124
20070033928
2007-02-15

Hybrid catalyst system for exhaust emissions reduction

#125
20070028601
2007-02-08

Device and method for exhaust gas aftertreatment

#126
20070012032
2007-01-18

Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction

#127
20070006573
2007-01-11

Thermal management of hybrid LNT/SCR aftertreatment during desulfation

#128
20060277898
2006-12-14

LNT regeneration strategy over normal truck driving cycle

#129
20060266021
2006-11-30

Exhaust purification with on-board ammonia production

#130
20060257303
2006-11-16

Method and apparatus for selective catalytic reduction of NOx

#131
20060213187
2006-09-28

System and method of NOabatement

#132
20060201139
2006-09-14

Emission abatement systems and methods

#133
20060101809
2006-05-18

Internal combustion engine comprising a reducing agent production unit and operating method therefor

#134
20060096275
2006-05-11

Exhaust purification with on-board ammonia production

#135
20060075743
2006-04-13

Exhaust treatment systems and methods for using the same

#136
20060010859
2006-01-19

Valveless dual leg exhaust aftertreatment system

#137
20060010857
2006-01-19

Hybrid catalyst system for exhaust emissions reduction

#138
20050274331
2005-12-15

Internal combustion engine with a fuel reformer and ammonia generator

#139
20050247284
2005-11-10

Air and fuel supply system for combustion engine operating at optimum engine speed

#140
20050241613
2005-11-03

Combustion engine including cam phase-shifting

#141
20050241302
2005-11-03

Air and fuel supply system for combustion engine with particulate trap

#142
20050235951
2005-10-27

Air and fuel supply system for combustion engine operating in HCCI mode

#143
20050229900
2005-10-20

Combustion engine including exhaust purification with on-board ammonia production

#144
20050178109
2005-08-18

Exhaust gas purifying apparatus for internal combustion engine

#145
20050166579
2005-08-04

Exhaust gas purifying apparatus for internal combustion engine

#146
20050138916
2005-06-30

Exhaust system and methods of reducing contaminants in an exhaust stream

#147
20050025692
2005-02-03

Methods and apparatus for small-scale synthesis of ammonia

#148
20050022450
2005-02-03

Reformer system, a method of producing hydrogen in the reformer system, and a method of using the reformer system

#149
16165341
2019-08-27

Automotive exhaust aftertreatment system having an ammonia distributor

#150
15849163
2019-04-30

Exhaust system for a work vehicle

#151
15843401
2019-04-23

Treatment of reductant urea solutions with catalyst precursors to assist selective catalytic reduction