ClassID:

137854

F01N3/2073 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters; Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases

Recent Application in this class:
#1
20260125998
2026-05-07

EXHAUST TREATMENT DEVICE

#2
20260071567
2026-03-12

REDUCTANT DELIVERY SYSTEM FOR EXHAUST GAS AFTERTREATMENT SYSTEM

#3
20250376937
2025-12-11

ENHANCED OPERATION OF HYDROGEN AND AMMONIA ENGINES

#4
20250277465
2025-09-04

DIESEL EXHAUST FLUID WITH ADDITIVE

#5
20250163839
2025-05-22

METHOD FOR CONTROLLING AT LEAST A PART OF AN EXHAUST AFTER TREATMENT SYSTEM OF A VEHICLE

#6
20240003284
2024-01-04

Urea crystal detection by monitoring a ratio between a NOx sensor signal and a equivalence ratio

#7
20230338940
2023-10-26

PERFORMANCE ENHANCEMENT OF A PLATINUM-CONTAINING CATALYST VIA EXHAUST GAS HYDROGEN ENRICHMENT

#8
20230332529
2023-10-19

System and method for treating gas turbine exhaust gas

#9
20230304430
2023-09-28

System and methods for estimating emissions

#10
20230265773
2023-08-24

LNT regeneration with hydrogen for transport engine application

#11
20230235689
2023-07-27

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

#12
20230193803
2023-06-22

Method for controlling the operation of an exhaust aftertreatment system

#13
20230191376
2023-06-22

A COMPOSITION FOR SCR CATALYSTS

#14
20230184152
2023-06-15

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

#15
20230003159
2023-01-05

REDUCTANT DELIVERY SYSTEM FOR EXHAUST GAS AFTERTREATMENT SYSTEM

#16
20220403793
2022-12-22

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

#17
20220356830
2022-11-10

Systems and methods for generating ammonia

#18
20220349331
2022-11-03

Exhaust gas and reductant mixer for an aftertreatment system

#19
20220345513
2022-10-27

System and method for placeshifting media playback

#20
20220247616
2022-08-04

System and method for placeshifting media playback

#21
20220136419
2022-05-05

Exhaust gas purification device for internal combustion engine, and vehicle

#22
20220127991
2022-04-28

Combustion system

#23
20220099012
2022-03-31

System and method for treating process exhaust gas

#24
20220099011
2022-03-31

Method for operating a motor vehicle having an exhaust gas aftertreatment device, exhaust gas aftertreatment system, computer program product and computer-readable medium

#25
20220034249
2022-02-03

Control of pre-SCR ammonia dosing based on look-ahead data

#26
20210388747
2021-12-16

Catalytic washcoat with added alumina for NOx abatement

#27
20210372309
2021-12-02

Method for adapting an amount of reductant for controlling the nitrogen oxide pollution of gases in a motor exhaust line

#28
20210310394
2021-10-07

Systems and methods for reducing reductant deposit formation in a decomposition reactor of an exhaust gas aftertreatment system for an internal combustion engine

#29
20210262375
2021-08-26

EXHAUST AFTERTREATMENT SYSTEM WITH SCOOPED INLET

#30
20210239023
2021-08-05

Retaining flange for a metering valve

#31
20210222603
2021-07-22

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

#32
20210222602
2021-07-22

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

#33
20210189935
2021-06-24

Method for controlling an SCR catalytic converter

#34
20210115830
2021-04-22

Thermal- and photo-assisted aftertreatment of nitrogen oxides

#35
20210095611
2021-04-01

Deterioration determination apparatus for ammonia sensor

#36
20210025311
2021-01-28

Automotive aftertreatment system having a tubular injector

#37
20200363370
2020-11-19

Method for monitoring a gas sensor

#38
20200309003
2020-10-01

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

#39
20200263582
2020-08-20

Reductant generator

#40
20200248608
2020-08-06

After treatment system and after treatment method for lean-burn engine

#41
20200248607
2020-08-06

After treatment system and after treatment method for lean-burn engine

#42
20200248606
2020-08-06

Ammonia production catalyst and after treatment system

#43
20200248605
2020-08-06

After treatment system and after treatment method for lean-burn engine

#44
20200224572
2020-07-16

Method for determining regeneration parameter values of a multiple LNT catalyst system, and device for data processing

#45
20200131961
2020-04-30

EXHAUST GAS TREATMENT SYSTEMS AND METHODS FOR DIAGNOSING THE SAME

#46
20200108379
2020-04-09

LTA CATALYSTS HAVING EXTRA-FRAMEWORK IRON AND/OR MANGANESE FOR TREATING EXHAUST GAS

#47
20200102871
2020-04-02

On-board vehicle hydrogen generation and use in exhaust streams

#48
20200088080
2020-03-19

SCR catalyst device containing vanadium oxide and molecular sieve containing iron

#49
20200063628
2020-02-27

Integrated SCR catalyst and LNT for NOx abatement

#50
20200061594
2020-02-27

Low-silica chabazite zeolites with high acidity

#51
20200056526
2020-02-20

Exhaust gas purification controller for engine

#52
20200049051
2020-02-13

Exhaust gas treatment device

#53
20200032690
2020-01-30

Method for preventing a selective catalytic reduction (SCR) catalyst from being contaminated with platinum

#54
20190383192
2019-12-19

Exhaust gas treatment system and method having improved low temperature performance

#55
20190383186
2019-12-19

Exhaust gas treatment system and method having improved low temperature performance

#56
20190368398
2019-12-05

Electrochemical reactor

#57
20190291050
2019-09-26

Oxidation catalyst, catalyst support structure, method of producing oxidation catalyst, and method of producing catalyst support structure

#58
20190271276
2019-09-05

System and method for starting an engine

#59
20190232224
2019-08-01

Engine Exhaust Aftertreatment Incorporating Vanadium-Based SCR

#60
20190218951
2019-07-18

Assembly and method for determining lambda values

#61
20190211736
2019-07-11

Operating a Catalytic Converter Device in a Motor Vehicle

#62
20190211729
2019-07-11

Systems and methods for purging a reductant insertion assembly of a reductant

#63
20190186321
2019-06-20

Exhaust system for a work vehicle

#64
20190178131
2019-06-13

Methods for controlling selective catalytic reduction systems

#65
20190170041
2019-06-06

Reductant generation systems and methods

#66
20190143387
2019-05-16

SHEET METAL TUBE AND METHOD OF MANUFACTURING SAME

#67
20190120110
2019-04-25

Exhaust purification system

#68
20190107024
2019-04-11

Engine with exhaust emission control device

#69
20190078480
2019-03-14

Selective catalytic reduction steady state ammonia slip detection with positive perturbation

#70
20190063298
2019-02-28

AFTERTREATMENT SYSTEM

#71
20190055868
2019-02-21

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

#72
20180355776
2018-12-13

MULTISTAGE AMMONIA INJECTION SYSTEM FOR EXHAUST AFTERTREATMENT SYSTEM

#73
20180306082
2018-10-25

Exhaust after-treatment system including sliding mode ammonia controller

#74
20180264936
2018-09-20

LIQUID TANK WITH A RADIATOR

#75
20180264934
2018-09-20

LIQUID TANK WITH A PLASTIC SHELL

#76
20180258815
2018-09-13

Exhaust purification system of internal combustion engine

#77
20180251367
2018-09-06

Signal-controlled flow fuel delivery valve

#78
20180238219
2018-08-23

Methods and systems for an exhaust gas aftertreatment device

#79
20180216510
2018-08-02

System and method for exhaust gas aftertreatment with lean NOx trap and exhaust gas recirculation

#80
20180209320
2018-07-26

MODULE FOR USE ON-BOARD A VEHICLE, FOR DECOMPOSING AN AMMONIA PRECURSOR USING A CATALYST

#81
20180179978
2018-06-28

NOx sensor inspection program, vehicle inspection equipment, NOx sensor inspection method, and recording medium

#82
20180179936
2018-06-28

Exhaust gas purification apparatus for an internal combustion engine

#83
20180171910
2018-06-21

Control apparatus for internal combustion engine

#84
20180163597
2018-06-14

Exhaust gas treatment system

#85
20180156090
2018-06-07

Exhaust gas treatment system

#86
20180117573
2018-05-03

LTA catalysts having extra-framework iron and/or manganese for treating exhaust gas

#87
20180112569
2018-04-26

Exhaust purification system of internal combustion engine

#88
20180073408
2018-03-15

Method for controlling the injection of reductant for an exhaust after treatment unit

#89
20180023441
2018-01-25

Exhaust gas control system for internal combustion engine and control method for internal combustion engine

#90
20170361287
2017-12-21

Urea solution injection device integrated with mixer

#91
20170350297
2017-12-07

Operating liquid tank with pump assembly of multi-part construction

#92
20170350295
2017-12-07

Exhaust gas control apparatus for internal combustion engine

#93
20170322933
2017-11-09

System and method for placeshifting media playback

#94
20170268399
2017-09-21

Exhaust gas post treatment system and method for exhaust gas post-treatment

#95
20170241364
2017-08-24

Dedicated exhaust gas recirculation control systems and methods

#96
20170241317
2017-08-24

Exhaust treatment system having membrane module for water removal

#97
20170241313
2017-08-24

Emissions treatment system with ammonia-generating and SCR catalysts

#98
20170218821
2017-08-03

APPARATUS FOR PRODUCING AMMONIA

#99
20170204767
2017-07-20

AMMONIA PRECURSOR GENERATING SYSTEM FOR USE IN A VEHICLE

#100
20170204762
2017-07-20

Exhaust after-treatment system including ammonia and hydrogen generation

#101
20170175603
2017-06-22

Exhaust after-treatment system including electrolysis generated H2 and NH3

#102
20170167352
2017-06-15

Deterioration diagnosis apparatus for selective catalytic reduction catalyst

#103
20170159525
2017-06-08

Use of specific engine cylinders for reductant generation

#104
20170138245
2017-05-18

Deterioration diagnosis apparatus for exhaust gas purification apparatus

#105
20170122173
2017-05-04

Electrolytic production of ammonia

#106
20170107878
2017-04-20

Exhaust system

#107
20170089246
2017-03-30

Exhaust line with a reagent injector

#108
20170044953
2017-02-16

Exhaust gas purification apparatus for an internal combustion engine

#109
20170037757
2017-02-09

Exhaust gas purification apparatus for internal combustion engine

#110
20170009626
2017-01-12

Deterioration diagnosis apparatus for exhaust gas purification apparatus

#111
20160369678
2016-12-22

Method for operating a gas engine

#112
20160363070
2016-12-15

Control device for internal combustion engine

#113
20160348553
2016-12-01

Exhaust purification device and method of calculating NH3 mass generated in lean NOx trap of exhaust purification device

#114
20160333761
2016-11-17

Systems and methods for regeneration of a diesel oxidation catalyst in a dual-fuel engine

#115
20160326930
2016-11-10

Exhaust purification system for internal combustion engine

#116
20160319721
2016-11-03

Method and system for purifying the exhaust gases of a combustion engine

#117
20160305300
2016-10-20

Method and system for loading or reloading a decomposition unit for use in a vehicle

#118
20160290262
2016-10-06

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

#119
20160290261
2016-10-06

Method and system of driver inducement for vehicle

#120
20160290197
2016-10-06

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

#121
20160281562
2016-09-29

Exhaust gas purification filter, exhaust gas purifier, and method of using exhaust gas purifier

#122
20160273465
2016-09-22

Failure diagnosis device of emission control system

#123
20160265461
2016-09-15

Failure diagnosis device of emission control system

#124
20160245207
2016-08-25

Exhaust aftertreatment system

#125
20160237875
2016-08-18

Deterioration diagnosis device for an exhaust gas purification apparatus

#126
20160230632
2016-08-11

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

#127
20160222856
2016-08-04

Exhaust gas purification apparatus for internal combustion engine

#128
20160186628
2016-06-30

Deterioration diagnosis apparatus for the exhaust gas purification apparatus

#129
20160131000
2016-05-12

Selective catalytic reduction and catalytic regeneration system

#130
20160115891
2016-04-28

Exhaust gas purification apparatus of internal combustion engine

#131
20160084129
2016-03-24

Liquid cooled reductant dosing unit

#132
20160061085
2016-03-03

Control method for exhaust gas aftertreatment device

#133
20160047287
2016-02-18

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

#134
20150369102
2015-12-24

Reducing agent supplying device

#135
20150361851
2015-12-17

Exhaust purification system of internal combustion engine

#136
20150345356
2015-12-03

Reductant dosing system having staggered injectors

#137
20150308363
2015-10-29

Method and system of controlling exhaust after-treatment apparatus for vehicle

#138
20150298061
2015-10-22

Exhaust gas purification apparatus for an internal combustion engine

#139
20150298060
2015-10-22

System and method for reducing nitrogen oxide in exhaust

#140
20150174529
2015-06-25

Exhaust gas purification apparatus for an internal combustion engine

#141
20150107229
2015-04-23

Method and device for reducing the emission of nitrous oxide

#142
20140373509
2014-12-25

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

#143
20140318104
2014-10-30

System and method for SCR inducement

#144
20140260208
2014-09-18

Exhaust gas purifier

#145
20140248200
2014-09-04

Emissions treatment system with ammonia-generating and SCR catalysts

#146
20140241950
2014-08-28

Exhaust system for a lean burn IC engine

#147
20140190150
2014-07-10

Exhaust gas purification apparatus for an internal combustion engine

#148
20140186220
2014-07-03

Exhaust gas purification apparatus for an internal combustion engine

#149
20140157760
2014-06-12

Method of operating a diesel engine system having LNT and SCR aftertreatment devices

#150
20140047819
2014-02-20

Emissions treatment system with ammonia-generating and SCR catalysts

#151
20130340408
2013-12-26

TECHNIQUE TO DIAGNOSE AND CONTROL AMMONIA GENERATION FROM A TWC FOR PASSIVE AMMONIA SCR OPERATION

#152
20130311602
2013-11-21

System and method for simplified data transfer

#153
20130269317
2013-10-17

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

#154
20130195724
2013-08-01

Exhaust purification system of internal combustion engine

#155
20130186086
2013-07-25

Arrangement for injecting a reductant into an exhaust line of an internal combustion engine

#156
20130167510
2013-07-04

Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type

#157
20130149205
2013-06-13

Exhaust purification system of internal combustion engine

#158
20130118150
2013-05-16

Exhaust system for internal combustion engine

#159
20130111876
2013-05-09

Low cost lean NOreduction catalyst system

#160
20130095002
2013-04-18

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

#161
20130091826
2013-04-18

Cold start NOgeneration system

#162
20130081378
2013-04-04

Exhaust purification system of internal combustion engine

#163
20130074475
2013-03-28

Exhaust purification system of internal combustion engine

#164
20130052086
2013-02-28

Exhaust purification system of internal combustion engine

#165
20130042599
2013-02-21

Exhaust device for an internal combustion engine

#166
20130017121
2013-01-17

Exhaust purification system of internal combustion engine

#167
20120320708
2012-12-20

Static mixer

#168
20120311998
2012-12-13

System and method for determining an ammonia generation rate in a three-way catalyst

#169
20120304639
2012-12-06

LEAN BURN ACTIVE IGNITION ENGINE WITH AFTERTREATMENT SYSTEM AND METHOD

#170
20120258015
2012-10-11

Exhaust treatment system for an internal combustion engine

#171
20120180462
2012-07-19

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#172
20120167553
2012-07-05

Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material

#173
20120159927
2012-06-28

Perovskite oxide compounds for use in exhaust aftertreatment systems

#174
20120144803
2012-06-14

Method of operating a fuel processor intermittently

#175
20120117951
2012-05-17

Selective catalytic reduction catalyst ammonia storage control systems and methods

#176
20120060472
2012-03-15

Catalyst materials for NOoxidation in an exhaust aftertreatment system that uses passive ammonia SCR

#177
20120042639
2012-02-23

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

#178
20120036842
2012-02-16

Exhaust purification device for engine

#179
20110288750
2011-11-24

Method and apparatus for controlling an internal combustion engine coupled to a passive selective catalytic reduction aftertreatment system

#180
20110265463
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#181
20110252766
2011-10-20

Method of producing ammonia effective to control aftertreatment conditions of NOx emissions

#182
20110239633
2011-10-06

EXHAUST EMISSION PURIFYING APPARATUS

#183
20110202253
2011-08-18

Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx

#184
20110185704
2011-08-04

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

#185
20110179777
2011-07-28

Exhaust system for a lean burn ic engine

#186
20110173950
2011-07-21

Emissions treatment system with ammonia-generating and SCR catalysts

#187
20110167805
2011-07-14

Method for reducing urea deposits in an aftertreatment system

#188
20110146253
2011-06-23

Exhaust system having an aftertreatment module

#189
20110146252
2011-06-23

Canister aftertreatment module

#190
20110056191
2011-03-10

Exhaust gas purification device

#191
20110047995
2011-03-03

CATALYST AND METHOD OF MANUFACTURE

#192
20110047977
2011-03-03

Exhaust device for diesel vehicle

#193
20110030350
2011-02-10

EXHAUST GAS PURIFYING APPARATUS

#194
20110030345
2011-02-10

Method for reducing nitric oxide in the exhaust gas flow of internal combustion engines

#195
20110023462
2011-02-03

SCR catalyst heating control

#196
20110011060
2011-01-20

Exhaust cooling module for SCR catalysts

#197
20100319324
2010-12-23

Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same

#198
20100300078
2010-12-02

Exhaust After Treatment System

#199
20100293930
2010-11-25

Method and apparatus for ammonia formation in a catalytic converter

#200
20100247396
2010-09-30

Selective Catalytic Reduction Filter and Method of Using Same

#201
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

#202
20100224142
2010-09-09

Method of exhaust cleaning for internal combustion engine and exhaust cleaner

#203
20100212300
2010-08-26

Exhaust Purification With On-Board Ammonia Production

#204
20100186391
2010-07-29

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

#205
20100186390
2010-07-29

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

#206
20100146947
2010-06-17

EMISSIONS CONTROL SYSTEM AND METHOD

#207
20100139251
2010-06-10

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

#208
20100139248
2010-06-10

Method and apparatus for controlling operation of a spark-ignition direct-injection engine

#209
20100115926
2010-05-13

Method of controlling NOx purification system and NOx purification system

#210
20100107607
2010-05-06

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

#211
20100107606
2010-05-06

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

#212
20100107605
2010-05-06

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

#213
20100107604
2010-05-06

AMMONIA GENERATOR, VEHICLE AND METHOD FOR GENERATING AMMONIA

#214
20100101221
2010-04-29

CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS

#215
20100084606
2010-04-08

Method for the preparation of a reducing agent composition

#216
20100082136
2010-04-01

System and method for placeshifting media playback

#217
20100077733
2010-04-01

EMISSION SYSTEM, APPARATUS, AND METHOD

#218
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

#219
20100064664
2010-03-18

Method for checking the seal of a reagent injector

#220
20100050610
2010-03-04

EXHAUST GAS PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#221
20100043402
2010-02-25

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

#222
20100037597
2010-02-18

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

#223
20100018476
2010-01-28

On-board hydrogen generator

#224
20100000202
2010-01-07

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

#225
20090308054
2009-12-17

Method for controlling NOreduction system

#226
20090276547
2009-11-05

System and method for simplified data transfer

#227
20090276439
2009-11-05

System and method for simplified data transfer

#228
20090266057
2009-10-29

Exhaust purification device of an internal combustion engine

#229
20090260350
2009-10-22

ENHANCED AFTERTREATMENT APPARATUS REGENERATION USING SPATIALLY CONTROLLED HYDROGEN-RICH GAS

#230
20090205324
2009-08-20

Emission control system having a coated mixer for an internal combustion engine and method of use

#231
20090199546
2009-08-13

Device for reducing dibenzodioxin emissions, dibenzofuran emissions and particle emissions

#232
20090193792
2009-08-06

Method and apparatus for managing an exhaust gas feedstream for a spark-ignition direct-injection engine

#233
20090180943
2009-07-16

Selective Ammonia Oxidation Catalysts

#234
20090180937
2009-07-16

Apparatus for Directing Exhaust Flow through a Fuel-Fired Burner of an Emission Abatement Assembly

#235
20090151341
2009-06-18

APPARATUS FOR REDUCING NITROGEN OXIDE CONTAINED IN EXHAUST GAS

#236
20090151340
2009-06-18

EXHAUST GAS PURIFICATION DEVICE

#237
20090139215
2009-06-04

Methods for reducing emissions from diesel engines

#238
20090120075
2009-05-14

EXHAUST GAS PURIFYING SYSTEM

#239
20090077948
2009-03-26

EXHAUST EMISSION PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

#240
20090025367
2009-01-29

Physical based LNT regeneration strategy

#241
20080302093
2008-12-11

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

#242
20080295494
2008-12-04

Multi-engine system with on-board ammonia production

#243
20080282670
2008-11-20

LNT-SCR system optimized for thermal gradient

#244
20080274021
2008-11-06

Compact fuel processor

#245
20080271434
2008-11-06

Method and apparatus for generating a reductant in an exhaust gas of a compression-ignition engine

#246
20080256936
2008-10-23

Selective Catalytic Reduction Filter and Method of Using Same

#247
20080256932
2008-10-23

Exhaust gas purification system

#248
20080209891
2008-09-04

Method of operating a syngas generator

#249
20080184701
2008-08-07

Exhaust Gas Purifying Device for Internal Combustion Engine

#250
20080178579
2008-07-31

Dual path exhaust emission control system

#251
20080168763
2008-07-17

Optimized rhodium usage in LNT SCR system

#252
20080072575
2008-03-27

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

#253
20080022666
2008-01-31

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