ClassID:

138206

F01N2570/18 - CPC Classification

Classification description:

Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds Ammonia

Recent Application in this class:
#1
20250116219
2025-04-10

SYSTEMS AND METHODS FOR SELECTIVE CATALYTIC REDUCTION AND/OR AMMONIA SLIP CATALYST SULFUR PROTECTION

#2
20240337209
2024-10-10

SYSTEMS AND METHODS FOR DIAGNOSING NOx SENSOR BASED ON AMMONIA SLIP

#3
20240318588
2024-09-26

Exhaust gas system for purifying exhaust gases of gasoline engine

#4
20240318586
2024-09-26

Method for evaluating an exhaust NOx sensor in the exhaust system of spark ignition internal combustion engine

#5
20240307822
2024-09-19

EMISSION TREATMENT CATALYSTS, SYSTEMS AND METHODS

#6
20240075427
2024-03-07

Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system

#7
20230383678
2023-11-30

Apparatus for reducing greenhouse gas emission in vessel and vessel including the same

#8
20230220794
2023-07-13

Systems and methods for diagnosing NOx sensor based on ammonia slip

#9
20230220793
2023-07-13

Method for ascertaining an exhaust gas composition of an exhaust gas of an internal combustion engine

#10
20230203976
2023-06-29

EXHAUST SYSTEM LAYOUTS FOR DIESEL ENGINE

#11
20230001354
2023-01-05

Fluid injector, assembly and exhaust line comprising such an injector

#12
20220403793
2022-12-22

Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions

#13
20220297093
2022-09-22

CATALYST FOR REDUCING AMMONIA EMISSIONS

#14
20220290599
2022-09-15

Exhaust gas treatment system with improved low temperature performance

#15
20220250005
2022-08-11

Emission treatment catalysts, systems and methods

#16
20220195907
2022-06-23

Multi-functional catalysts for the oxidation of NO, the oxidation of NHand the selective catalytic reduction of NOx

#17
20220185441
2022-06-16

Fuel supply system for eco-friendly ship

#18
20210324775
2021-10-21

Systems and methods for selective catalytic reduction and/or ammonia slip catalyst sulfur protection

#19
20210237043
2021-08-05

Zeolite synthesis with a fluoride source

#20
20210017891
2021-01-21

Aftertreatment system including noise reducing components

#21
20200363370
2020-11-19

Method for monitoring a gas sensor

#22
20200353453
2020-11-12

Zeolite synthesis with a fluoride source

#23
20200232361
2020-07-23

Power generating systems and methods for reducing startup NOx emissions in fossile fueled power generation system

#24
20200215520
2020-07-09

ASC with platinum group metal in multiple layers

#25
20200173326
2020-06-04

Power generating systems and methods for reducing startup NOx emissions in fossile fueled power generation system

#26
20200141915
2020-05-07

Highly selective NOx sensor in the presence of NH3

#27
20200011224
2020-01-09

Integrative reductant system and method using constant volume injection

#28
20200003098
2020-01-02

Exhaust gas purification device

#29
20190383192
2019-12-19

Exhaust gas treatment system and method having improved low temperature performance

#30
20190383189
2019-12-19

EXHAUST GAS TREATMENT SYSTEM WITH IMPROVED LOW TEMPERATURE PERFORMANCE

#31
20190383186
2019-12-19

Exhaust gas treatment system and method having improved low temperature performance

#32
20190383174
2019-12-19

Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOX

#33
20190345861
2019-11-14

Method and system for controlling an ammonia coverage degree profile

#34
20190302050
2019-10-03

Gas sensor element, heater and gas sensor

#35
20190299160
2019-10-03

NH3 OVERDOSING-TOLERANT SCR CATALYST

#36
20190292968
2019-09-26

Method and device for monitoring an SCR exhaust gas after-treatment device

#37
20190242312
2019-08-08

Control device for engine

#38
20190178187
2019-06-13

Method for diagnosing and controlling ammonia oxidation in selective catalytic reduction devices

#39
20190168199
2019-06-06

Selective catalytic reduction articles and systems

#40
20190162094
2019-05-30

Control reset and diagnostic to maintain tailpipe compliance

#41
20190010884
2019-01-10

Selective catalytic reduction steady state ammonia slip detection

#42
20180334941
2018-11-22

Engine system

#43
20180296979
2018-10-18

Exhaust gas purification material

#44
20180280945
2018-10-04

ASC with platinum group metal in multiple layers

#45
20180280877
2018-10-04

SCR with turbo and ASC/DOC close-coupled system

#46
20180280876
2018-10-04

ASC/DEC with rear-concentrated exotherm generation

#47
20180272280
2018-09-27

Emission treatment catalysts, systems and methods

#48
20180221860
2018-08-09

Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC

#49
20180171850
2018-06-21

Increased NOconversion by ozone introduction

#50
20180147530
2018-05-31

NHoverdosing-tolerant SCR catalyst

#51
20180142962
2018-05-24

Chemical heat storage device

#52
20180112583
2018-04-26

Apparatus for measuring combustible-gas concentration, system for measuring combustible-gas concentration, system for treating exhaust gas, method for measuring combustible-gas concentration, and method for deriving constant

#53
20180093258
2018-04-05

Synthesis of metal promoted zeolite catalyst

#54
20180093256
2018-04-05

Synthesis of AEI and Cu-AEI zeolites

#55
20180093255
2018-04-05

Zeolite synthesis with a fluoride source

#56
20180038255
2018-02-08

System and method for determining engine out NOx based on in-cylinder contents

#57
20180015446
2018-01-18

Oxidation catalyst for a stoichiometric natural gas engine

#58
20170315106
2017-11-02

Highly selective NOx sensor in the presence of NH3

#59
20170218820
2017-08-03

Internal combustion engine

#60
20170204763
2017-07-20

Exhaust purification system of internal combustion engine

#61
20170175645
2017-06-22

Enhanced performance of a gas turbine

#62
20170167339
2017-06-15

Engine exhaust system and control system for an engine exhaust system

#63
20170138237
2017-05-18

Method and apparatus to control reductant injection into an exhaust gas feedstream

#64
20170087541
2017-03-30

Zoned ammonia slip catalyst for use in combustion turbines

#65
20170074191
2017-03-16

Method for regenerating lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst and exhaust purification system

#66
20170030245
2017-02-02

Method and system for monitoring of a physical quantity related to a particulate mass in at least one exhaust pipe

#67
20160376972
2016-12-29

Exhaust control system for internal combustion engine

#68
20160370121
2016-12-22

CHEMICAL HEAT STORAGE DEVICE

#69
20160367974
2016-12-22

Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC

#70
20160367941
2016-12-22

Zoned exhaust system

#71
20160367938
2016-12-22

Single or dual layer ammonia slip catalyst

#72
20160367937
2016-12-22

NH3 overdosing-tolerant SCR catalyst

#73
20160346732
2016-12-01

Method of controlling a multi selective catalytic reduction system

#74
20160326930
2016-11-10

Exhaust purification system for internal combustion engine

#75
20160290197
2016-10-06

Exhaust purification device and method of calculating NOx mass reduced from lean NOx trap during regeneration

#76
20160288103
2016-10-06

Oxidation catalyst, method for preparing same, and filter for exhaust gas purification comprising same

#77
20160265461
2016-09-15

Failure diagnosis device of emission control system

#78
20160230717
2016-08-11

COATING FOR ENGINE

#79
20160222850
2016-08-04

Exhaust purifying apparatus for internal combustion engine

#80
20160177799
2016-06-23

Insulated reductant tank

#81
20160169135
2016-06-16

Method and system for control of emissions in exhaust aftertreatment system

#82
20160169074
2016-06-16

Aftertreatment system implementing low-temperature SCR

#83
20160146081
2016-05-26

Silencer for mid-bed air injection mixing

#84
20160121266
2016-05-05

Exhaust gas purification system and exhaust gas purification method

#85
20160090887
2016-03-31

Integrative reductant system and method using constant volume injection

#86
20160045868
2016-02-18

Zoned catalyst for treating exhaust gas

#87
20160040569
2016-02-11

EXHAUST GAS PURIFYING FILTER, SYSTEM AND REGENERATING GASOLINE PARTICULATE FILTER, AND METHOD THEREOF

#88
20160008761
2016-01-14

SCR catalytic converter having improved NOx conversion

#89
20160001228
2016-01-07

Perovskite with an ovlerlayer SCR component as an ammonia oxidation catalyst and a system for exhaust emission control on diesel engines

#90
20150355080
2015-12-10

Species spatial reconstruction for exhaust system using spectroscopy and tomography

#91
20150337707
2015-11-26

Abnormality diagnosis apparatus for exhaust gas purification apparatus

#92
20150315946
2015-11-05

Deterioration determination system of exhaust emission control device

#93
20150314239
2015-11-05

Exhaust gas control apparatus for internal combustion engine

#94
20150308320
2015-10-29

Exhaust gas purification system for internal combustion engine

#95
20150298061
2015-10-22

Exhaust gas purification apparatus for an internal combustion engine

#96
20150292383
2015-10-15

Exhaust aftertreatement system with catalytic deactivation monitoring

#97
20150290587
2015-10-15

Exhaust gas purification apparatus for internal combustion engine

#98
20150258495
2015-09-17

Exhaust gas purification device

#99
20150192045
2015-07-09

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

#100
20150135688
2015-05-21

Heat storage device

#101
20150128576
2015-05-14

Exhaust gas purification system and exhaust gas purification method

#102
20150128566
2015-05-14

Exhaust gas purification system and method for purifying exhaust gas

#103
20150093311
2015-04-02

Exhaust aftertreatment system and method pertaining to such a system

#104
20150033706
2015-02-05

Method and apparatus for determining the efficiency of an exhaust gas purification device

#105
20150023854
2015-01-22

Exhaust gas post-processing apparatus and control method thereof

#106
20150010449
2015-01-08

Emissions control in stationary rich burn engines

#107
20150004085
2015-01-01

Exhaust gas after-treatment apparatus having improved durability and exhaust gas after-treatment method

#108
20140314645
2014-10-23

SCR catalyst ammonia surface coverage estimation and control

#109
20140301923
2014-10-09

Selective catalytic reduction catalyst system

#110
20140298773
2014-10-09

Engine system

#111
20140274665
2014-09-18

Selective catalytic reduction catalyst system

#112
20140271422
2014-09-18

Selective catalytic reduction catalyst system

#113
20140260213
2014-09-18

Aftertreatment system for simultaneous emissions control in stationary rich burn engines

#114
20140241950
2014-08-28

Exhaust system for a lean burn IC engine

#115
20140219880
2014-08-07

Multi-component filters for emissions control

#116
20140219878
2014-08-07

Mixed phase oxide catalysts

#117
20140208721
2014-07-31

Method, system, and apparatus for diagnosing an exhaust aftertreatment component

#118
20140182270
2014-07-03

Method and apparatus for controlling urea injection amount of vehicle

#119
20140090374
2014-04-03

EXHAUST AFTERTREATMENT SYSTEM AND METHOD

#120
20140000240
2014-01-02

Process for the reduction of nitrogen oxides and sulphur oxides in the exhaust gas from internal combustion engine

#121
20130340413
2013-12-26

Exhaust system including NOx reduction catalyst and EGR circuit

#122
20130332086
2013-12-12

Method for determining the NHloading of an SCR catalytic converter

#123
20130276428
2013-10-24

Exhaust diagnostic control system and method with NH3 depletion cleansing

#124
20130255235
2013-10-03

Method for operating an exhaust-gas treatment device and motor vehicle having the device

#125
20130186067
2013-07-25

Method for controlling the reductant buffer level in an exhaust gas aftertreatment device

#126
20130104530
2013-05-02

SCR control system utilizing a differential NHand NOmeasurement using an exhaust gas sensor coupled with a micro SCR catalyst

#127
20130095002
2013-04-18

EXHAUST GAS PURIFYING FILTER, SYSTEM OF REGENERATING GASOLINE PARTICULATE FILTER, AND METHOD THEREOF

#128
20130081378
2013-04-04

Exhaust purification system of internal combustion engine

#129
20130058838
2013-03-07

Exhaust pipe

#130
20130017136
2013-01-17

Exhaust gas control apparatus and method for internal combustion engine

#131
20130011313
2013-01-10

Exhaust gas aftertreatment installation and method

#132
20130000729
2013-01-03

DEF PUMP AND TANK THAWING SYSTEM AND METHOD

#133
20120324867
2012-12-27

Control of emissions

#134
20120247092
2012-10-04

Multi-component filters for emissions control

#135
20120180461
2012-07-19

Reductant storage sensing system and method

#136
20120073273
2012-03-29

Exhaust purification system of internal combustion engine

#137
20120073266
2012-03-29

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

#138
20120047882
2012-03-01

EXHAUST GAS PURIFICATION APPARATUS

#139
20120004831
2012-01-05

CONTROLLER FOR INTERNAL COMBUSION ENGINE

#140
20120004830
2012-01-05

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#141
20120000190
2012-01-05

Exhaust gas purification system for internal combustion engine

#142
20110283684
2011-11-24

Control system of internal combustion engine

#143
20110271664
2011-11-10

Integrated SCR and AMOx catalyst systems

#144
20110265464
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#145
20110265457
2011-11-03

EXHAUST PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

#146
20110262329
2011-10-27

SCR catalyst ammonia surface coverage estimation and control

#147
20110258992
2011-10-27

Ammonia slip catalyst diagnostic methods and systems

#148
20110239633
2011-10-06

EXHAUST EMISSION PURIFYING APPARATUS

#149
20110179777
2011-07-28

Exhaust system for a lean burn ic engine

#150
20110146237
2011-06-23

Exhaust gas purification system for the treatment of engine exhaust gases by means of SCR catalyst

#151
20110041480
2011-02-24

Exhaust purification apparatus for internal combustion engine

#152
20110005204
2011-01-13

Exhaust gas aftertreatment installation and method

#153
20100313548
2010-12-16

Emission control system with an optimized reductant injection model

#154
20100254862
2010-10-07

Selective reduction catalyst

#155
20100247396
2010-09-30

Selective Catalytic Reduction Filter and Method of Using Same

#156
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

#157
20100223908
2010-09-09

Ammonia (NH) storage control system and method based on a nitrogen oxide(NO) sensor

#158
20100186383
2010-07-29

Stored reductant state for startup

#159
20100154390
2010-06-24

Exhaust gas purification system for an internal combustion engine

#160
20100139251
2010-06-10

Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine

#161
20100111774
2010-05-06

Exhaust gas purification system for internal combustion engine

#162
20100107606
2010-05-06

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines

#163
20100101215
2010-04-29

EXHAUST GAS TREATMENT SYSTEM AND METHODS FOR OPERATING THE SAME

#164
20100101214
2010-04-29

DIAGNOSTIC METHODS FOR SELECTIVE CATALYTIC REDUCTION (SCR) EXHAUST TREATMENT SYSTEM

#165
20100086446
2010-04-08

Exhaust emission purifying apparatus for engine

#166
20100058746
2010-03-11

Catalytic activated diesel particle filter with ammonia trap effect

#167
20100043405
2010-02-25

Exhaust purification device of an internal combustion engine

#168
20100043400
2010-02-25

Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm

#169
20100037598
2010-02-18

Method for providing ammonia for the selective catalytic reduction of nitrogen oxides and corresponding device

#170
20100037597
2010-02-18

EXHAUST EMISSION CONTROL SYSTEM FOR LEAN ENGINES AND METHOD FOR OPERATING THE SYSTEM

#171
20100024401
2010-02-04

Exhaust gas purification apparatus for internal combustion engine

#172
20090308054
2009-12-17

Method for controlling NOreduction system

#173
20090291830
2009-11-26

HONEYCOMB STRUCTURE

#174
20090288402
2009-11-26

Emission treatment catalysts, systems and methods

#175
20090288397
2009-11-26

Exhaust gas purification device of internal combustion engine

#176
20090246103
2009-10-01

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

#177
20090246099
2009-10-01

Honeycomb structure and exhaust gas treating apparatus

#178
20090193794
2009-08-06

Exhaust system implementing SCR and EGR

#179
20090180943
2009-07-16

Selective Ammonia Oxidation Catalysts

#180
20090158719
2009-06-25

Emission treatment system

#181
20090155153
2009-06-18

Method for calculating loading amount of ammonia in selective catalytic reduction apparatus

#182
20090120073
2009-05-14

EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE

#183
20090019842
2009-01-22

Exhaust purification device for engine

#184
20090000278
2009-01-01

ADDITION-AMOUNT CONTROLLER FOR EXHAUST GAS PURIFYING AGENT AND EXHAUST EMISSION CONTROL SYSTEM

#185
20080295498
2008-12-04

EXHAUST GAS PURIFYING APPARATUS FOR INTERNATIONAL COMBUSTION

#186
20080256936
2008-10-23

Selective Catalytic Reduction Filter and Method of Using Same

#187
20080250779
2008-10-16

Method and Device for the Dosed Provision of a Reducing Agent, Especially a Solid Reducing Agent, for Exhaust Gas Systems

#188
20080250778
2008-10-16

Excess NH3 storage control for SCR catalysts

#189
20080216467
2008-09-11

Method and device for reducing the nitrogen oxide proportion in the exhaust gas of an internal combustion engine

#190
20080216463
2008-09-11

Device for removing nitrogen oxides from internal combustion engine waste gas and method for dosing an aggregate of internal combustion engine waste gas

#191
20080202097
2008-08-28

Engine exhaust treatment system

#192
20080141661
2008-06-19

Zone coated filter, emission treatment systems and methods

#193
20080127638
2008-06-05

Emission Treatment Systems and Methods

#194
20080034740
2008-02-14

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

#195
20080022659
2008-01-31

Method and apparatus for urea injection in an exhaust aftertreatment system

#196
20070277507
2007-12-06

Enhanced hybrid de-NOx system

#197
20070256407
2007-11-08

Reformer temperature control with leading temperature estimation

#198
20070214862
2007-09-20

System and method for improving performance of a fluid sensor for an internal combustion engine

#199
20070209351
2007-09-13

Desulfation control strategy

#200
20070204600
2007-09-06

Reductant storage sensing system and method

#201
20070175208
2007-08-02

Exhaust gas aftertreatment installation and method

#202
20070175207
2007-08-02

Procedure and device to control a reducing agent generation system

#203
20070144152
2007-06-28

Procedure and control unit to operate an integrated SCR/DPF system

#204
20070144151
2007-06-28

Procedure and device to monitor an exhaust gas after-treatment system

#205
20070137181
2007-06-21

Exhaust gas aftertreatment systems

#206
20070108039
2007-05-17

Control of air flow for apparatus to produce reduction agents

#207
20070089706
2007-04-26

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

#208
20070079805
2007-04-12

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

#209
20070068149
2007-03-29

Air and fuel supply system for combustion engine with particulate trap

#210
20070068139
2007-03-29

Exhaust treatment system diagnostic via ammonium nitrite decomposition

#211
20070062180
2007-03-22

Combustion engine including exhaust purification with on-board ammonia production

#212
20070044456
2007-03-01

Exhaust gas aftertreatment systems

#213
20070042495
2007-02-22

Method of controlling injection of a reducing agent in an engine emissions control system

#214
20070033928
2007-02-15

Hybrid catalyst system for exhaust emissions reduction

#215
20070012032
2007-01-18

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

#216
20060213187
2006-09-28

System and method of NOabatement

#217
20060153761
2006-07-13

Exhaust gas aftertreatment installation and method

#218
20060140833
2006-06-29

Exhaust gas purifying apparatus for internal combustion engine

#219
20060010859
2006-01-19

Valveless dual leg exhaust aftertreatment system

#220
20060010857
2006-01-19

Hybrid catalyst system for exhaust emissions reduction

#221
20060000202
2006-01-05

Method for operating a catalytic converter used for purifying the exhaust gas of an internal combustion engine and a device for implementing the method

#222
20050282285
2005-12-22

Strategy for controlling NOx emissions and ammonia slip in an SCR system using a nonselective NOx/NH3

#223
20050262832
2005-12-01

Exhaust gas purification device of internal combustion engine

#224
20050262829
2005-12-01

Exhaust gas purification device of internal combustion engine

#225
20050247284
2005-11-10

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

#226
20050241613
2005-11-03

Combustion engine including cam phase-shifting

#227
20050241302
2005-11-03

Air and fuel supply system for combustion engine with particulate trap

#228
20050235951
2005-10-27

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

#229
20050229900
2005-10-20

Combustion engine including exhaust purification with on-board ammonia production

#230
20050217249
2005-10-06

Exhaust gas purification device of internal combustion engine

#231
20050217248
2005-10-06

Exhaust gas purification device of internal combustion engine

#232
20050204729
2005-09-22

Exhaust gas purification device of internal combustion engine

#233
20050198943
2005-09-15

Method for metering ammonia into the exhaust-gas region of an internal combustion engine and device for implementing the method

#234
20050178109
2005-08-18

Exhaust gas purifying apparatus for internal combustion engine

#235
20050069476
2005-03-31

Selective catalytic reduction

#236
20050034450
2005-02-17

Exhaust gas purification device of internal combustion engine

#237
20050005596
2005-01-13

High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature

#238
18066734
2024-04-16

Treatment system for gasoline compression ignition engine exhaust

#239
17806377
2023-11-07

System and method for dosing a selective catalytic reduction catalyst

#240
17740362
2023-08-22

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

#241
17398383
2023-08-22

Diesel exhaust fluid