Patents-Review.com
ClassID:

138284 ⎘

F01N2900/1622 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst Catalyst reducing agent absorption capacity or consumption amount

Recent Application in this class:
#1
20260063060
2026-03-05

SYSTEMS AND METHODS FOR MANAGING AMMONIA SLIP IN AN AFTERTREATMENT SYSTEM

 #2
20250207521
2025-06-26

Method for Exhaust Gas After-Treatment of an Internal Combustion Engine Having at Least One SCR Catalyst

 #3
20250198322
2025-06-19

DUAL LEG AFTERTREATMENT SYSTEM

 #4
20250163839
2025-05-22

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

 #5
20240337209
2024-10-10

SYSTEMS AND METHODS FOR DIAGNOSING NOx SENSOR BASED ON AMMONIA SLIP

 #6
20240254938
2024-08-01

SYSTEMS AND METHODS FOR COLD OPERATION NOx BURDEN REDUCTION

 #7
20240200481
2024-06-20

Exhaust after-treatment in heavy-duty motor vehicles

 #8
20240159180
2024-05-16

Dual leg aftertreatment system

 #9
20230392532
2023-12-07

Exhaust after-treatment in heavy-duty motor vehicles

 #10
20230349318
2023-11-02

Internal combustion engine and method for simultaneously regulating the exhaust gas temperature and the charge pressure of an internal combustion engine

 #11
20230349312
2023-11-02

Method for detecting urea consumption deviation, and vehicle post-processing system

 #12
20230250744
2023-08-10

Aftertreatment system

 #13
20230220794
2023-07-13

Systems and methods for diagnosing NOx sensor based on ammonia slip

 #14
20230220793
2023-07-13

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

 #15
20230175424
2023-06-08

Method for checking an exhaust gas system in a vehicle, and control unit for performing the method

 #16
20230140536
2023-05-04

Method and device for determining the sulphur content in an exhaust gas channel of a motor vehicle in relation to the supplied fuel

 #17
20230086566
2023-03-23

Systems and methods for cold operation NOx burden reduction

 #18
20230020759
2023-01-19

Injection amount calculation device, injection amount control method, and exhaust gas purification device

 #19
20220364492
2022-11-17

Systems and methods for optimizing engine-aftertreatment system operation

 #20
20220316376
2022-10-06

Ammonia storage capacity of SCR catalyst unit

 #21
20220298944
2022-09-22

Optimizing an SCR catalytic converter state when parking a vehicle with a diesel engine

 #22
20220282679
2022-09-08

Apparatus and method for controlling a vehicle action

 #23
20220282652
2022-09-08

Apparatus and method for controlling a vehicle action

 #24
20220268195
2022-08-25

Optical sensing of NOand ammonia in aftertreatment systems

 #25
20220136419
2022-05-05

Exhaust gas purification device for internal combustion engine, and vehicle

 #26
20220049637
2022-02-17

Method and device for controlling at least one SCR catalytic converter of a vehicle

 #27
20220025799
2022-01-27

Ammonia storage capacity of SCR catalyst unit

 #28
20210095590
2021-04-01

Method of monitoring an SCR catalyst

 #29
20210047954
2021-02-18

Method for operating an exhaust system of an internal combustion engine of a motor vehicle and exhaust system for an internal combustion engine of a motor vehicle

 #30
20200340380
2020-10-29

Exhaust gas control apparatus for internal combustion engine

 #31
20200291839
2020-09-17

Methods and systems for exhaust emission control

 #32
20200284182
2020-09-10

Method and system for improving detecting an empty catalyst housing

 #33
20200263583
2020-08-20

Method for operating an internal combustion engine of a motor vehicle, in particular a motor car

 #34
20200248608
2020-08-06

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

 #35
20200248607
2020-08-06

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

 #36
20200248605
2020-08-06

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

 #37
20200224570
2020-07-16

Method for ascertaining a NOconcentration and a NHslip downstream from an SCR catalytic converter

 #38
20200040796
2020-02-06

Systems and methods for on-board monitoring of a passive NOx adsorption catalyst

 #39
20200040795
2020-02-06

Systems and methods for optimizing engine-aftertreatment system operation

 #40
20200011222
2020-01-09

Selective catalytic reduction adaptation for accuracy and minimized tailpipe impact

 #41
20190376428
2019-12-12

Systems and methods for idle fuel economy mode

 #42
20190345861
2019-11-14

Method and system for controlling an ammonia coverage degree profile

 #43
20190316503
2019-10-17

Selective catalytic reduction system

 #44
20190301330
2019-10-03

Exhaust gas control apparatus for internal combustion engine

 #45
20190292970
2019-09-26

Catalyst state estimation apparatus, catalyst state estimation method with information processing apparatus, and non-transitory recording medium in which program is stored

 #46
20190292961
2019-09-26

METHOD FOR ESTIMATING EXHAUST GAS STATE OF ENGINE, METHOD FOR DETERMINING ABNORMALITY OF CATALYST, AND CATALYST ABNORMALITY DETERMINATION DEVICE FOR AN ENGINE

 #47
20190284981
2019-09-19

Selective catalytic reduction fault detection

 #48
20190284980
2019-09-19

Abnormality diagnosis apparatus

 #49
20190277181
2019-09-12

Abnormality diagnosis apparatus

 #50
20190257236
2019-08-22

Method for monitoring a nitrogen oxide storage catalyst

 #51
20190218950
2019-07-18

Method for controlling an SCR catalytic converter

 #52
20190195114
2019-06-27

Abnormality diagnosis system for an exhaust gas purification apparatus

 #53
20190186318
2019-06-20

Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine

 #54
20190178187
2019-06-13

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

 #55
20190178129
2019-06-13

Methods for assessing the condition of a selective catalytic reduction devices

 #56
20190170044
2019-06-06

Exhaust gas flow control system for a metal hydride air conditioning unit

 #57
20190155230
2019-05-23

Virtual sensing system

 #58
20190112953
2019-04-18

Exhaust purification system of controlling injection amount of reducing agent

 #59
20190093535
2019-03-28

SYSTEMS AND METHODS FOR ADJUSTING FOR AFTERTREATMENT SYSTEM CONDITION

 #60
20190078481
2019-03-14

Method for operating an SCR catalytic converter system which has a first SCR catalytic converter and a second SCR catalytic converter

 #61
20190049341
2019-02-14

Virtual diesel exhaust fluid (DEF) quality monitor

 #62
20190024557
2019-01-24

Methods for controlling and monitoring oxidation catalyst devices

 #63
20180328252
2018-11-15

Exhaust Gas Control System for Internal Combustion Engine and Method of Controlling Exhaust Gas Control System for Internal Combustion Engine

 #64
20180283248
2018-10-04

Methods and systems for exhaust catalyst diagnostics

 #65
20180283246
2018-10-04

Method of controlling generation of selective catalytic reduction on diesel particulate filter

 #66
20180274421
2018-09-27

Methods for controlling and detecting catalyst poisoning of selective catalytic reduction devices

 #67
20180274419
2018-09-27

Exhaust gas purification apparatus for an internal combustion engine

 #68
20180266294
2018-09-20

Model predictive control for multi-can selective catalytic reduction system

 #69
20180202337
2018-07-19

Radio frequency sensor in an exhaust aftertreatment system

 #70
20180171910
2018-06-21

Control apparatus for internal combustion engine

 #71
20180142593
2018-05-24

Model predictive control for multi-can selective catalytic reduction system

 #72
20180106179
2018-04-19

Systems and methods for idle fuel economy mode

 #73
20180073408
2018-03-15

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

 #74
20180071681
2018-03-15

Method for controlling an exhaust gas treatment system

 #75
20180038302
2018-02-08

Exhaust emission control system of engine

 #76
20180038256
2018-02-08

Exhaust emission control system of engine

 #77
20170356322
2017-12-14

Systems and methods for diagnosing selective catalytic reduction systems

 #78
20170350291
2017-12-07

SCR conversion efficiency diagnostics

 #79
20170335733
2017-11-23

Exhaust gas purification apparatus for internal combustion engine

 #80
20170248052
2017-08-31

Method for operating an exhaust gas aftertreatment system of a motor vehicle

 #81
20170241321
2017-08-24

Systems and methods for performing a NOx self-diagnostic test

 #82
20170226908
2017-08-10

Exhaust gas purification apparatus of internal combustion engine

 #83
20170198652
2017-07-13

Engine control systems and methods for nitrogen oxide reduction

 #84
20170167347
2017-06-15

System and method for determining target actuator values of an engine using model predictive control while satisfying emissions and drivability targets and maximizing fuel efficiency

 #85
20170167346
2017-06-15

Method of operating an aftertreatment system of an internal combustion engine

 #86
20170152779
2017-06-01

Exhaust gas cleaning system for internal combustion engine and exhaust gas cleaning method for internal combustion engine

 #87
20170145893
2017-05-25

Ammonia adsorption amount estimation apparatus, ammonia adsorption amount estimation method, and exhaust gas purification system for internal combustion engine

 #88
20170138244
2017-05-18

Methods to adapt reductant injection controls for catalyst aging

 #89
20170130628
2017-05-11

Method for operating an SCR catalytic converter system of an internal combustion engine

 #90
20170114690
2017-04-27

Systems and methods to reduce reductant consumption in exhaust aftertreatment systems

 #91
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

 #92
20170044946
2017-02-16

Method of operating an automotive system

 #93
20170037801
2017-02-09

Exhaust gas control apparatus and exhaust gas control method for internal combustion engine

 #94
20170037758
2017-02-09

Ammonia sensor control, with NOfeedback, of an SCR aftertreatment system

 #95
20170037757
2017-02-09

Exhaust gas purification apparatus for internal combustion engine

 #96
20160356195
2016-12-08

Ammonia occlusion amount estimation device and method, and purification control apparatus and method

 #97
20160290262
2016-10-06

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

 #98
20160281574
2016-09-29

Method for calculating exhaust temperature

 #99
20160281567
2016-09-29

Exhaust gas control apparatus for internal combustion engine

 #100
20160258332
2016-09-08

Exhaust gas control apparatus

 #101
20160245141
2016-08-25

Exhaust purification system

 #102
20160230631
2016-08-11

Selective catalytic reduction device

 #103
20160195032
2016-07-07

Exhaust purification system of internal combustion engine

 #104
20160186628
2016-06-30

Deterioration diagnosis apparatus for the exhaust gas purification apparatus

 #105
20160177798
2016-06-23

Exhaust purification system of internal combustion engine

 #106
20160160722
2016-06-09

Exhaust gas aftertreatment system for a vehicle operated by means of a combustion engine, in particular for a watercraft

 #107
20160138498
2016-05-19

Internal combustion engine provided with a selective catalytic reduction system

 #108
20160076421
2016-03-17

Method of controlling ammonia amount absorbed in selective catalytic reduction catalyst and exhaust system using the same

 #109
20160003119
2016-01-07

Device and method for reducing unwanted emissions from an engine at start of said engine

 #110
20150354476
2015-12-10

Control method for an engine with exhaust gas recirculation and intake valve actuation

 #111
20150337707
2015-11-26

Abnormality diagnosis apparatus for exhaust gas purification apparatus

 #112
20150330322
2015-11-19

Coordinated control of engine and after treatment systems

 #113
20150315946
2015-11-05

Deterioration determination system of exhaust emission control device

 #114
20150314239
2015-11-05

Exhaust gas control apparatus for internal combustion engine

 #115
20150292378
2015-10-15

Exhaust gas purification system for internal combustion engine

 #116
20150275733
2015-10-01

Failure determination system of exhaust gas purification apparatus

 #117
20150275730
2015-10-01

Systems and methods to reduce reductant consumption in exhaust aftertreament systems

 #118
20150247435
2015-09-03

Systems, methods, and apparatus for reductant dosing in an SCR aftertreatment system

 #119
20150209729
2015-07-30

Method of estimating hydrocarbon storage in a catalytic device

 #120
20150184569
2015-07-02

Exhaust gas purification apparatus for internal combustion engine

 #121
20150184567
2015-07-02

Engine system

 #122
20150147250
2015-05-28

Method for operating a reductant metering process of an SCR catalytic converter system, and corresponding SCR catalytic converter system

 #123
20150118112
2015-04-30

SCR filter washcoat thickness efficiency compensation system

 #124
20150113958
2015-04-30

Method for feeding reducing agent and motor vehicle and stationary installation in which the method is performed

 #125
20150113953
2015-04-30

Self-diagnosing method for diagnosing a SCR system

 #126
20150047318
2015-02-19

Supervisory model predictive selective catalytic reduction control method

 #127
20150033704
2015-02-05

Temperature gradient correction of ammonia storage model

 #128
20150023854
2015-01-22

Exhaust gas post-processing apparatus and control method thereof

 #129
20150013309
2015-01-15

Ammonia storage management for SCR catalyst

 #130
20140314645
2014-10-23

SCR catalyst ammonia surface coverage estimation and control

 #131
20140283503
2014-09-25

Method for condition determination of an exhaust-gas purification system

 #132
20140234174
2014-08-21

Exhaust gas purification apparatus for an internal combustion engine

 #133
20140230415
2014-08-21

Exhaust gas purification apparatus for an internal combustion engine

 #134
20140208722
2014-07-31

Exhaust gas purifying apparatus for internal combustion engine

 #135
20140199210
2014-07-17

Exhaust gas purification apparatus for an internal combustion engine

 #136
20140182270
2014-07-03

Method and apparatus for controlling urea injection amount of vehicle

 #137
20140106460
2014-04-17

Methods and systems for diagnostics of an emission system with more than one SCR region

 #138
20140033682
2014-02-06

Method for operating an SCR catalyic converter provided for the aftertreatment of exhaust gases of an internal combustion engine

 #139
20140013725
2014-01-16

Kinetics-based SCR control model improvement

 #140
20130332086
2013-12-12

Method for determining the NHloading of an SCR catalytic converter

 #141
20130312407
2013-11-28

Exhaust air injection

 #142
20130291517
2013-11-07

Exhaust diagnostic control system and method with selective disablement of NOx reduction efficiency diagnostic

 #143
20130276429
2013-10-24

Method for diagnosing a metering valve and device for carrying out the method

 #144
20130276428
2013-10-24

Exhaust diagnostic control system and method with NH3 depletion cleansing

 #145
20130259751
2013-10-03

Exhaust gas system with a reducing agent supply

 #146
20130255233
2013-10-03

Exhaust purification system for internal combustion engine

 #147
20130247543
2013-09-26

Exhaust gas control apparatus and control method for exhaust gas control apparatus

 #148
20130167512
2013-07-04

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

 #149
20130098462
2013-04-25

Model-based controls for selective catalyst reduction systems

 #150
20130074474
2013-03-28

Engine off NHbased selective catalytic reduction NOadsorber

 #151
20130064717
2013-03-14

Engine exhaust purification device

 #152
20130058833
2013-03-07

Exhaust gas purification system

 #153
20130052107
2013-02-28

Exhaust gas purification apparatus of an internal combustion engine

 #154
20130052087
2013-02-28

Exhaust purification system of internal combustion engine

 #155
20130017136
2013-01-17

Exhaust gas control apparatus and method for internal combustion engine

 #156
20120316754
2012-12-13

Method for operating a spark-ignition, direct-injection internal combustion engine

 #157
20120310507
2012-12-06

METHOD AND DEVICE FOR CONTROLLING AN SCR CATALYTIC CONVERTER OF A VEHICLE

 #158
20120304751
2012-12-06

Methods and systems for diagnostics of an emission system with more than one SCR region

 #159
20120291421
2012-11-22

Exhaust treatment methods and systems

 #160
20120260634
2012-10-18

NOx CONTROL SYSTEMS AND METHODS FOR CONTROLLING NOx EMISSIONS

 #161
20120222404
2012-09-06

Method for controlling pollutant emissions from a combustion engine

 #162
20120216510
2012-08-30

Vehicle-based strategy for removing urea deposits from an SCR catalyst

 #163
20120180461
2012-07-19

Reductant storage sensing system and method

 #164
20120173022
2012-07-05

CONTROL APPARATUS OF AMMONIA LOADING AMOUNT FOR SCR SYSTEM AND CONTROL METHOD FOR THE SAME

 #165
20120137657
2012-06-07

SCR closed loop control system

 #166
20120102927
2012-05-03

Exhaust purification system of internal combustion engine

 #167
20120096837
2012-04-26

Method for adapting an SCR catalytic converter in an exhaust system of a motor vehicle

 #168
20120085083
2012-04-12

SCR ammonia slip detection

 #169
20120082605
2012-04-05

Exhaust treatment system and method of operation

 #170
20120079812
2012-04-05

EXHAUST GAS PURIFICATION APPARATUS OF ENGINE AND EXHAUST GAS PURIFICATION METHOD OF ENGINE

 #171
20120039779
2012-02-16

Method for feeding reducing agent into an exhaust gas system and corresponding exhaust gas system and motor vehicle

 #172
20120017568
2012-01-26

Ammonia sensor control, with NOfeedback, of an SCR aftertreatment system

 #173
20120017567
2012-01-26

Transient compensation control of an SCR aftertreatment system

 #174
20120000190
2012-01-05

Exhaust gas purification system for internal combustion engine

 #175
20120000183
2012-01-05

Method for injecting ammonia into an exhaust gas stream

 #176
20110311420
2011-12-22

Selective catalytic reduction (SCR) catalyst depletion control systems and methods

 #177
20110308233
2011-12-22

Selective catalytic reduction (SCR) catalyst depletion control systems and methods

 #178
20110296905
2011-12-08

Method for monitoring an SCR catalytic converter

 #179
20110283683
2011-11-24

Composition and Method for Controlling Excessive Exhaust Gas Temperatures

 #180
20110265461
2011-11-03

Abnormality detection apparatus for exhaust gas purification apparatus and abnormality detection method for exhaust gas purification apparatus

 #181
20110265457
2011-11-03

EXHAUST PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

 #182
20110265452
2011-11-03

Ammonia sensor control of an SCR aftertreatment system

 #183
20110262329
2011-10-27

SCR catalyst ammonia surface coverage estimation and control

 #184
20110214417
2011-09-08

EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

 #185
20110203259
2011-08-25

Method for correcting an estimate of NHstored within a selective catalyst reduction system

 #186
20110192149
2011-08-11

Exhaust gas purifying apparatus for internal combustion engine

 #187
20110192148
2011-08-11

Exhaust gas purifying apparatus for internal combustion engine

 #188
20110192144
2011-08-11

Exhaust gas purifying apparatus for internal combustion engine

 #189
20110138783
2011-06-16

Exhaust purifying system for internal combustion engine

 #190
20110138779
2011-06-16

Determination of the Linear Correlation Between Signals, Which are Determined by Means of NOx Sensors, in an SCR Exhaust Gas Aftertreatment System

 #191
20110131956
2011-06-09

Catalyst degradation determination device for exhaust purification system

 #192
20110113753
2011-05-19

Method for operating an exhaust gas treatment system having an SCR catalytic converter

 #193
20110113752
2011-05-19

Method for operating an exhaust gas treatment system having an SCR catalytic converter

 #194
20110099985
2011-05-05

Exhaust purification system for internal combustion engine

 #195
20110099977
2011-05-05

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #196
20110088372
2011-04-21

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #197
20110061370
2011-03-17

Exhaust purification device of internal combustion engine

 #198
20110060465
2011-03-10

Control apparatus of ammonia loading amount for SCR system and control method for the same

 #199
20110047993
2011-03-03

Exhaust purification system of internal combustion engine

 #200
20110041480
2011-02-24

Exhaust purification apparatus for internal combustion engine

 #201
20110040541
2011-02-17

CALIBRATION METHOD AND APPARATUS FOR SCR CATALYST SYSTEMS

 #202
20110030343
2011-02-10

SCR REDUCTANT DEPOSIT REMOVAL

 #203
20110023591
2011-02-03

Methods and systems for diagnostics of an emission system with more than one SCR region

 #204
20110023463
2011-02-03

Methods and systems for control of an emission system with more than one SCR region

 #205
20110023462
2011-02-03

SCR catalyst heating control

 #206
20110005209
2011-01-13

Ammonia storage set-point control for selective catalytic reduction applications

 #207
20100326052
2010-12-30

Method for monitoring ammonia storage in an exhaust aftertreatment system

 #208
20100326051
2010-12-30

Operating and diagnostic method for an SCR exhaust-gas aftertreatment system

 #209
20100300076
2010-12-02

Process for controlling the injection of urea in a selective catalytic reduction system

 #210
20100281855
2010-11-11

Model based method for selective catalyst reducer urea dosing strategy

 #211
20100268438
2010-10-21

Exhaust purification device for hybrid electric vehicle

 #212
20100257844
2010-10-14

Exhaust gas purifying device for internal combustion engine

 #213
20100242454
2010-09-30

NH3-MONITORING OF AN SCR CATALYTIC CONVERTER

 #214
20100229530
2010-09-16

Control device and control method for exhaust gas purification apparatus, and internal combustion engine exhaust gas purification apparatus

 #215
20100223908
2010-09-09

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

 #216
20100170226
2010-07-08

DIAGNOSTIC METHOD FOR A REAGENT MATERIAL TO BE INTRODUCED INTO AN EXHAUST GAS REGION OF AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR PERFORMING THE METHOD

 #217
20100139380
2010-06-10

System for calculating SCR conversion efficiency for diesel vehicles and method thereof

 #218
20100139257
2010-06-10

System and method for treating exhaust gases

 #219
20100122525
2010-05-20

EXHAUST PURIFICATION CONTROL DEVICE AND EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #220
20100122520
2010-05-20

System for Controlling Urea Injection Quantity of Vehicle and Method Thereof

 #221
20100115926
2010-05-13

Method of controlling NOx purification system and NOx purification system

 #222
20100111774
2010-05-06

Exhaust gas purification system for internal combustion engine

 #223
20100101214
2010-04-29

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

 #224
20100089037
2010-04-15

OPTIMIZED DISCRETE LEVEL SENSING SYSTEM FOR VEHICLE REDUCTANT RESERVOIR

 #225
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

 #226
20100057328
2010-03-04

Lean nitrogen oxide emission control system and method

 #227
20100050614
2010-03-04

System and method for selective catalytic reduction control

 #228
20100050611
2010-03-04

Procedure for operating a combustion engine with a SCR-catalyzer

 #229
20100050610
2010-03-04

EXHAUST GAS PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #230
20100043405
2010-02-25

Exhaust purification device of an internal combustion engine

 #231
20100043397
2010-02-25

On board diagnostic monitor of NOx conversion efficiency for aftertreatment device

 #232
20100028230
2010-02-04

Dosing agent injection control for selective catalytic reduction catalysts

 #233
20100028228
2010-02-04

Current storage estimation for selective catalytic reduction catalysts

 #234
20100024397
2010-02-04

Apparatus, system, and method for reducing NOemissions from an engine system

 #235
20100024389
2010-02-04

Nitrogen oxide estimation downstream of a selective catalytic reduction catalyst

 #236
20090293451
2009-12-03

Exhaust control system having diagnostic capability

 #237
20090288397
2009-11-26

Exhaust gas purification device of internal combustion engine

 #238
20090288396
2009-11-26

Exhaust emission control device for internal combustion

 #239
20090272105
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst

 #240
20090272104
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst using ammonia storage and slip control

 #241
20090272099
2009-11-05

Apparatus, system, and method for determining the degradation of an SCR catalyst

 #242
20090199542
2009-08-13

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

 #243
20090155153
2009-06-18

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

 #244
20090133384
2009-05-28

NOcontrol systems and methods for controlling NOemissions

 #245
20090107118
2009-04-30

Composition and method for controlling excessive exhaust gas temperatures

 #246
20090084086
2009-04-02

PROCEDURE FOR OPERATING AN EXHAUST GAS TREATMENT DEVICE AND THE DEVICE FOR IMPLEMENTING THE PROCEDURE

 #247
20090056315
2009-03-05

Method for reducing NH3 release from SCR catalysts during thermal transients

 #248
20090056310
2009-03-05

Multi-stage regeneration of particulate filter

 #249
20090049828
2009-02-26

Control of SCR system having a filtering device

 #250
20090049827
2009-02-26

Emission control system implementing reduction agent injection

 #251
20090007548
2009-01-08

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