Patents-Review.com
ClassID:

138168 ⎘

F01N2550/02 - CPC Classification

Classification description:

Monitoring or diagnosing the deterioration of exhaust systems Catalytic activity of catalytic converters

Recent Application in this class:
#1
20260146555
2026-05-28

SYSTEMS AND METHODS FOR DIAGNOSING COMPONENT FAILURE

 #2
20260110659
2026-04-23

GAS SENSOR

 #3
20260022651
2026-01-22

ESTIMATION METHOD FOR DETERMINING THE OXYGEN STORAGE CAPACITY OF A CATALYTIC CONVERTER

 #4
20260002462
2026-01-01

DEGRADATION DEGREE ESTIMATION SYSTEM

 #5
20250376938
2025-12-11

AFTERTREATMENT SYSTEM INCLUDING DIFFERENTIAL PRESSURE SENSORS AND PRESSURE TUBE SEGMENTS

 #6
20250179968
2025-06-05

OXYGEN SENSOR HEATER CONTROL FOR HYBRID VEHICLE

 #7
20250084780
2025-03-13

EXHAUST SPECIES TRACKING AND NOTIFICATION SYSTEM

 #8
20250075650
2025-03-06

EXHAUST GAS TREATMENT SYSTEM FOR CONTROLLING HYDROCARBON ADSORPTION/DESORPTION IN HYDROCARBON TRAP

 #9
20250052185
2025-02-13

SYSTEMS AND METHODS FOR COMPENSATING NOX SENSOR MEASUREMENTS TO MEET SUFFICIENCY REQUIREMENTS

 #10
20250043711
2025-02-06

DIESEL ENGINE AFTERTREATMENT SYSTEM

 #11
20250003362
2025-01-02

VEHICLE BYPASS CATALYST DIAGNOSTIC SYSTEM

 #12
20240392716
2024-11-28

COMPUTER-IMPLEMENTED METHOD FOR DETECTING A FAULT IN A SELECTIVE CATALYTIC REDUCER ASSEMBLY

 #13
20240337209
2024-10-10

SYSTEMS AND METHODS FOR DIAGNOSING NOx SENSOR BASED ON AMMONIA SLIP

 #14
20240318586
2024-09-26

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

 #15
20240318585
2024-09-26

SYSTEMS AND METHODS FOR DIAGNOSING COMPONENT FAILURE

 #16
20240295185
2024-09-05

SYSTEMS AND METHODS FOR EXHAUST AFTERTREATMENT SENSOR OFFSET DETECTION AND DIAGNOSIS

 #17
20240255482
2024-08-01

Method for Operating a Nitrogen Oxide Sensor

 #18
20240229699
2024-07-11

FILTER ABNORMALITY DETERMINATION SYSTEM

 #19
20240210280
2024-06-27

METHOD AND DEVICE FOR MEASURING NITROGEN OXIDE AND AMMONIA EMISSIONS FROM AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR COMBUSTION EXHAUST GASES

 #20
20240210279
2024-06-27

NOx sensor monitoring

 #21
20240209762
2024-06-27

Systems and methods for sensor tampering detection

 #22
20240200484
2024-06-20

Catalyst deterioration diagnosis device

 #23
20240183304
2024-06-06

Aftertreatment system

 #24
20240151175
2024-05-09

Systems and methods for compensating NOx sensor measurements to meet sufficiency requirements

 #25
20240133332
2024-04-25

FILTER ABNORMALITY DETERMINATION SYSTEM

 #26
20240084725
2024-03-14

NOx generation amount control device

 #27
20240077010
2024-03-07

Systems and methods for diagnosing component failure

 #28
20240044276
2024-02-08

Straddled vehicle

 #29
20240035408
2024-02-01

Method for controlling an internal combustion engine including at least one exhaust-gas aftertreatment component having an electric heating element

 #30
20240018918
2024-01-18

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

 #31
20230400385
2023-12-14

METHOD FOR SELF-BALANCING OF A LAMBDA SENSOR AND EXHAUST GAS SYSTEM

 #32
20230399970
2023-12-14

Controller and control method for internal combustion engine

 #33
20230399967
2023-12-14

EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE

 #34
20230383686
2023-11-30

Exhaust catalyst management apparatus to be applied to vehicle

 #35
20230366339
2023-11-16

Method for operating an exhaust-gas cleaning device for a motor vehicle and corresponding exhaust-gas cleaning device

 #36
20230340900
2023-10-26

Device and method for determining an offset in a signal of a sensor for measuring residual oxygen

 #37
20230323804
2023-10-12

Control device for internal combustion engine and catalyst deterioration diagnostic method

 #38
20230323801
2023-10-12

Urea removing apparatus

 #39
20230313724
2023-10-05

Detecting reductant quality using a virtual sensor

 #40
20230296043
2023-09-21

Vehicle engine control device

 #41
20230296042
2023-09-21

Computer for diagnosing clogging of a probe for a vehicle

 #42
20230265806
2023-08-24

Method, computing unit, and computer program for determining an amount of hydrocarbons in an exhaust gas of a lean-operation internal-combustion engine

 #43
20230265775
2023-08-24

Exhaust device for internal combustion engine

 #44
20230220794
2023-07-13

Systems and methods for diagnosing NOx sensor based on ammonia slip

 #45
20230212973
2023-07-06

Method and system for controlling SCR temperature

 #46
20230203978
2023-06-29

EHC line leakage diagnosis method and vehicle exhaust system thereof

 #47
20230147578
2023-05-11

Non-intrusive reductant injector clogging detection

 #48
20230141599
2023-05-11

Exhaust species tracking and notification system

 #49
20230141389
2023-05-11

Diagnosis device and diagnosis method

 #50
20230128576
2023-04-27

Method for determining a state parameter of an exhaust gas sensor

 #51
20230112942
2023-04-13

System and methods for adjusting NHsensor drift

 #52
20230032803
2023-02-02

Method, processing unit, and computer program for determining a conversion capability of an exhaust gas catalytic converter

 #53
20230003154
2023-01-05

Method to control a burner for an exhaust system of an internal combustion engine

 #54
20230003152
2023-01-05

Controller and method for controlling operation of an aftertreatment system based on short-term and long-term cumulative degradation estimates

 #55
20220403768
2022-12-22

Method and system for diagnosing oxidation of a substance in an exhaust gas stream

 #56
20220356833
2022-11-10

Systems and methods for diagnosis of NOx storage catalyst

 #57
20220307406
2022-09-29

Internal combustion engine arrangement

 #58
20220275741
2022-09-01

Systems and methods for implementing corrections to a reductant delivery system in an exhaust aftertreatment system of an internal combustion engine

 #59
20220251996
2022-08-11

Catalyst degradation determining device for straddled vehicle and straddled vehicle including same

 #60
20220251995
2022-08-11

Catalyst degradation determining device for straddled vehicle and straddled vehicle including same

 #61
20220243636
2022-08-04

Determining a sensor error of a sensor in an exhaust gas system of a motor vehicle

 #62
20220243635
2022-08-04

Method for operating a drive device and corresponding drive device

 #63
20220220914
2022-07-14

Controller and control method for internal combustion engine

 #64
20220220877
2022-07-14

SYSTEMS AND METHODS FOR HEATING AN AFTERTREATMENT SYSTEM

 #65
20220213829
2022-07-07

Fuel analysis systems and methods

 #66
20220195956
2022-06-23

Methods and systems for NOoffset diagnostic

 #67
20220127995
2022-04-28

Engine emmissions control methods and systems

 #68
20220099043
2022-03-31

Internal combustion engine control device

 #69
20220090529
2022-03-24

Systems and methods for implementing corrections to a reductant delivery system in an exhaust aftertreatment system of an internal combustion engine

 #70
20220074362
2022-03-10

METHOD FOR CONTROLLING EXHAUST AFTERTREATMENT SYSTEM FOR VEHICLE ENGINE

 #71
20220049639
2022-02-17

Methods for making and using SCR catalyst on-board diagnostic limit parts

 #72
20220003142
2022-01-06

Catalyst deterioration detection device, catalyst deterioration detection system, data analysis device, control device of internal combustion engine, and method for providing state information of used vehicle

 #73
20210404362
2021-12-30

Systems and methods for heating an aftertreatment system

 #74
20210372315
2021-12-02

Method for operating an internal combustion engine

 #75
20210372309
2021-12-02

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

 #76
20210363909
2021-11-25

Method and processing unit for ascertaining a fill level of an exhaust-gas component in a catalytic converter

 #77
20210355854
2021-11-18

Method for monitoring sensor signals and quantitative determining of the stoichiometric fuel-air ratio of the type of fuel used by means of an injector test and catalyst diagnosis in a vehicle

 #78
20210332767
2021-10-28

Method for controlling a vehicle propulsion system

 #79
20210324779
2021-10-21

Method and processing unit for ascertaining a catalytic converter state

 #80
20210301709
2021-09-30

State estimation apparatus

 #81
20210301708
2021-09-30

Reuse evaluation system for catalyst

 #82
20210293172
2021-09-23

Method and system for diagnosing an aftertreatment system

 #83
20210285357
2021-09-16

Method for reusing vehicular catalyst

 #84
20210254529
2021-08-19

Exhaust gas purification device

 #85
20210215075
2021-07-15

Method for managing the lightoff of a pollution-control catalytic converter

 #86
20210183183
2021-06-17

Exhaust species tracking and notification system

 #87
20210180498
2021-06-17

Vehicle exhaust gas abatement apparatus

 #88
20210102507
2021-04-08

Methods and systems for catalyst monitoring enablement

 #89
20210102488
2021-04-08

Systems and methods for diagnosis of NOx storage catalyst

 #90
20210095590
2021-04-01

Method of monitoring an SCR catalyst

 #91
20210087959
2021-03-25

AUTOMOTIVE EXHAUST AFTERTREATMENT SYSTEM WITH MULTI-REDUCTANT INJECTION AND DOSER CONTROLS

 #92
20210087958
2021-03-25

Work vehicle including diesel particulate filter (DPF) regeneration control

 #93
20210079861
2021-03-18

Device and method for controlling an internal combustion engine having a catalytic converter

 #94
20210054774
2021-02-25

Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method

 #95
20210033015
2021-02-04

Methods for making and using SCR catalyst on-board diagnostic limit parts

 #96
20210033012
2021-02-04

Method and system for diagnosing an aftertreatment component subjected to an exhaust gas stream

 #97
20200408133
2020-12-31

Exhaust sensor baffle

 #98
20200400088
2020-12-24

SYSTEMS AND METHODS FOR CONTROLLING AN ENGINE BASED ON AFTERTREATMENT SYSTEM CHARACTERISTICS

 #99
20200392914
2020-12-17

Reactivation of catalyst for lean NOx trap

 #100
20200370454
2020-11-26

Diagnostic methods for a high efficiency exhaust aftertreatment system

 #101
20200363370
2020-11-19

Method for monitoring a gas sensor

 #102
20200355108
2020-11-12

VEHICLE POLLUTANT EMISSIONS MEASUREMENT METHOD USING AN ON-BOARD SYSTEM

 #103
20200332731
2020-10-22

Oxygen storage amount estimation device, oxygen storage amount estimation system, controller for internal combustion engine, data analysis device, and method for estimating oxygen storage amount

 #104
20200318522
2020-10-08

Method for operating a catalyst arrangement of an internal combustion engine and catalyst arrangement

 #105
20200284182
2020-09-10

Method and system for improving detecting an empty catalyst housing

 #106
20200271067
2020-08-27

Exhaust gas purification system for vehicle and method of controlling the same

 #107
20200271032
2020-08-27

METHOD FOR OPERATING AN EXHAUST GAS AFTERTREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE, AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, AND AN INTERNAL COMBUSTION ENGINE COMPRISING SUCH AN EXHAUST GAS AFTERTREATMENT SYSTEM

 #108
20200263594
2020-08-20

Catalyst deterioration detection device, catalyst deterioration detection system, data analysis device, control device of internal combustion engine, and method for providing sate information of used vehicle

 #109
20200263591
2020-08-20

Method and apparatus for controlling exhaust gas purification system for vehicle

 #110
20200240345
2020-07-30

Method for operating an internal combustion engine

 #111
20200200064
2020-06-25

Diagnostic test for engine exhaust system

 #112
20200200063
2020-06-25

Method and device for diagnosis of a particle filter arranged in the exhuast gas system of a petro-operated internal combustion engine

 #113
20200182121
2020-06-11

Method for operating an exhaust gas aftertreatment system of an internal combustion engine which has a three-way pre-catalytic converter and exhaust gas aftertreatment system

 #114
20200149451
2020-05-14

Automotive exhaust aftertreatment system with multi-reductant injection and doser controls

 #115
20200131961
2020-04-30

EXHAUST GAS TREATMENT SYSTEMS AND METHODS FOR DIAGNOSING THE SAME

 #116
20200116068
2020-04-16

EXHAUST AFTERTREATMENT SYSTEM DIAGNOSTIC AND CONDITIONING

 #117
20200109656
2020-04-09

Catalyst deterioration diagnosis device and catalyst deterioration diagnosis method

 #118
20200095917
2020-03-26

Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method

 #119
20200095916
2020-03-26

Systems and methods for diagnosis of NOx storage catalyst

 #120
20200095915
2020-03-26

Multicomponent exhaust treatment system including an oxygen storage catalyst

 #121
20200080460
2020-03-12

Catalyst deterioration diagnosis method and catalyst deterioration diagnosis system

 #122
20200063634
2020-02-27

Control of combustion source with at least one pollution control device

 #123
20200063629
2020-02-27

SYSTEM AND METHOD FOR EXHAUST GAS AFTER TREATMENT

 #124
20200056529
2020-02-20

Exhaust gas-purifying system and automotive vehicle

 #125
20200049680
2020-02-13

Uniformity index performance evaluation in an SCR aftertreatment system

 #126
20200032730
2020-01-30

Catalyst diagnosis device

 #127
20200025056
2020-01-23

Method and system for improving diagnosis of a catalyst

 #128
20200018206
2020-01-16

Catalyst oxygen purge control apparatus and method

 #129
20200003725
2020-01-02

Gas sensor and sensor element

 #130
20190390583
2019-12-26

Method and Device to Determine the Nitrogen Oxide-Storage Capability of a Catalytic Converter of a Vehicle

 #131
20190383185
2019-12-19

APPARATUS AND METHOD FOR DESULFATION OF A CATALYST USED IN A LEAN BURN METHANE SOURCE FUELED COMBUSTION SYSTEM

 #132
20190376433
2019-12-12

ON-BOARD DIAGNOSTIC METHOD FOR MONITORING DIESEL OXIDATION CATALYST FUNCTION VIA BRICK TEMPERATURE RISE

 #133
20190376428
2019-12-12

Systems and methods for idle fuel economy mode

 #134
20190345865
2019-11-14

System and a method for determining a cause for impaired performance of a catalytic configuration

 #135
20190340847
2019-11-07

Systems and methods for probabilistic on-board diagnostics

 #136
20190323407
2019-10-24

Generalized cold start emissions reduction strategy

 #137
20190301330
2019-10-03

Exhaust gas control apparatus for internal combustion engine

 #138
20190292968
2019-09-26

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

 #139
20190284981
2019-09-19

Selective catalytic reduction fault detection

 #140
20190284980
2019-09-19

Abnormality diagnosis apparatus

 #141
20190277181
2019-09-12

Abnormality diagnosis apparatus

 #142
20190264593
2019-08-29

Method for monitoring an ammonia slip catalytic converter

 #143
20190249587
2019-08-15

On-Board Diagnostics of an Exhaust Gas Catalytic Converter by S Parameter Measurement

 #144
20190234281
2019-08-01

NOx storage catalyst monitoring methods

 #145
20190234279
2019-08-01

Testing facility for ageing exhaust gas systems

 #146
20190226382
2019-07-25

On-board diagnostics for an exhaust gas catalytic converter and detection of aging

 #147
20190211736
2019-07-11

Operating a Catalytic Converter Device in a Motor Vehicle

 #148
20190203622
2019-07-04

CONTROL APPARATUS AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

 #149
20190195828
2019-06-27

Method for the dynamic monitoring of a NOx sensor

 #150
20190195114
2019-06-27

Abnormality diagnosis system for an exhaust gas purification apparatus

 #151
20190195107
2019-06-27

Abnormality diagnosis system for an exhaust gas purification apparatus

 #152
20190193717
2019-06-27

Vehicle control apparatus

 #153
20190178187
2019-06-13

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

 #154
20190178144
2019-06-13

Catalyst deterioration detection system

 #155
20190178143
2019-06-13

Method of ageing a component of an exhaust after treatment system

 #156
20190136778
2019-05-09

Exhaust purification system of internal combustion engine

 #157
20190136737
2019-05-09

Exhaust purification system of internal combustion engine

 #158
20190128198
2019-05-02

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

 #159
20190120113
2019-04-25

Exhaust gas treatment system for a motor vehicle

 #160
20190078490
2019-03-14

Method for detecting catalyst deterioration of vehicle

 #161
20190055873
2019-02-21

Method for restricting work produced by a combustion engine

 #162
20190055872
2019-02-21

Catalyst deterioration detecting system and catalyst deterioration detecting method

 #163
20190049418
2019-02-14

Methods for determining oxidation performance of oxidation catalyst devices

 #164
20190048775
2019-02-14

Exhaust purification system of internal combustion engine

 #165
20190040784
2019-02-07

Catalyst abnormality diagnostic device and catalyst abnormality diagnostic method

 #166
20190024564
2019-01-24

Abnormality diagnosis system for exhaust gas purification apparatus

 #167
20190024563
2019-01-24

Model-based monitoring for selective catalytic reduction device in aftertreatment assembly

 #168
20190024557
2019-01-24

Methods for controlling and monitoring oxidation catalyst devices

 #169
20190010883
2019-01-10

System and method for adapting combustion to mitigate exhaust overtemperature

 #170
20190010852
2019-01-10

Downstream oxygen sensor performance for selective catalytic reduction

 #171
20190010851
2019-01-10

SELECTIVE CATALYTIC REDUCTION STEADY STATE AMMONIA SLIP AND REDUCTANT BREAKTHROUGH DETECTION

 #172
20180363528
2018-12-20

Recovering deactivated metal/zeolite catalysts

 #173
20180348152
2018-12-06

Exhaust gas-sensor

 #174
20180347492
2018-12-06

Controlling device for purifying exhaust gas purifying

 #175
20180347489
2018-12-06

Exhaust purification system of internal combustion engine

 #176
20180340459
2018-11-29

Apparatus for diagnosing deterioration of NOx storage-reduction catalyst

 #177
20180328252
2018-11-15

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

 #178
20180298834
2018-10-18

Method and system for diagnosing an aftertreatment system

 #179
20180266294
2018-09-20

Model predictive control for multi-can selective catalytic reduction system

 #180
20180266293
2018-09-20

Exhaust gas cleaning system and monitoring method of the same

 #181
20180258873
2018-09-13

Systems and methods for controlling an engine based on aftertreatment system characteristics

 #182
20180258813
2018-09-13

Predictive control for slip and breakthrough determination of selective catalytic reduction systems

 #183
20180252140
2018-09-06

Method for determining the state of loading of a particle filter and internal combustion engine

 #184
20180252133
2018-09-06

Exhaust gas purification apparatus for an internal combustion engine

 #185
20180245498
2018-08-30

Method and system for monitoring reductant delivery performance for an SCR catalyst

 #186
20180238216
2018-08-23

Apparatus and method for desulfation of a catalyst used in a lean burn methane source fueled combustion system

 #187
20180230879
2018-08-16

Internal combustion engine and method for controlling internal combustion engine

 #188
20180216553
2018-08-02

Catalyst deterioration determination system

 #189
20180209873
2018-07-26

Catalyst degradation diagnostic method and catalyst degradation diagnostic system

 #190
20180202339
2018-07-19

Method for operating an exhaust aftertreatment system having an SCR catalyst

 #191
20180202338
2018-07-19

Method for operating an exhaust after-treatment system comprising an SCR-catalyst

 #192
20180179937
2018-06-28

Exhaust purification system of internal combustion engine

 #193
20180179936
2018-06-28

Exhaust gas purification apparatus for an internal combustion engine

 #194
20180179935
2018-06-28

Exhaust gas purification apparatus for an internal combustion engine

 #195
20180171854
2018-06-21

Substrate and filter with stress/strain detection and method of use

 #196
20180171848
2018-06-21

Method for diagnosing a quality signal, control device, control device program and control device program product

 #197
20180163651
2018-06-14

Apparatus and method of controlling catalyst activation during cold start of vehicle

 #198
20180163591
2018-06-14

Exhaust gas control apparatus for internal combustion engine

 #199
20180142593
2018-05-24

Model predictive control for multi-can selective catalytic reduction system

 #200
20180142590
2018-05-24

Diagnostic methods for a high efficiency exhaust aftertreatment system

 #201
20180128148
2018-05-10

VEHICLE EXHAUST SYSTEM

 #202
20180112613
2018-04-26

Method for operating a drive device and a corresponding drive device

 #203
20180111474
2018-04-26

Exhaust device of motorcycle

 #204
20180106179
2018-04-19

Systems and methods for idle fuel economy mode

 #205
20180100417
2018-04-12

Catalyst oxygen purge control apparatus and method

 #206
20180080364
2018-03-22

Exhaust device of motorcycle

 #207
20180071681
2018-03-15

Method for controlling an exhaust gas treatment system

 #208
20180038254
2018-02-08

Exhaust purification system and control method therefor

 #209
20180030918
2018-02-01

Dual injection during intake stroke for improved catalyst light off

 #210
20180010506
2018-01-11

Method for diagnosing degradation in catalyst

 #211
20180008932
2018-01-11

DEF DOSING FOR SELECTIVE CATALYTIC REDUCTION CATALYSTS

 #212
20180003098
2018-01-04

NOx sensor diagnostic for an exhaust aftertreatment system

 #213
20170370268
2017-12-28

METHOD AND DEVICE FOR MONITORING THE OPERABILITY OF AN EMISSION CONTROL SYSTEM

 #214
20170362979
2017-12-21

Exhaust purification system and method for restoring NOx purification capacity

 #215
20170356322
2017-12-14

Systems and methods for diagnosing selective catalytic reduction systems

 #216
20170350335
2017-12-07

Exhaust gas sensor arrangement structure

 #217
20170342924
2017-11-30

Systems and methods for multiple catalyst light off events during drive cycle

 #218
20170306827
2017-10-26

Catalyst failure detection based combined ammonia to NOx ratios, conversion inefficiency values and ammonia slip values

 #219
20170298853
2017-10-19

Control device and control method of internal combustion engine

 #220
20170292432
2017-10-12

Exhaust aftertreatment system diagnostic and conditioning

 #221
20170284266
2017-10-05

Emissions control systems and methods for vehicles

 #222
20170276052
2017-09-28

Method for diagnosing degradation of catalyst and catalyst degradation diagnosis system

 #223
20170276051
2017-09-28

Method for diagnosing degradation of catalyst and catalyst degradation diagnosis system

 #224
20170260886
2017-09-14

Method for controlling regeneration of catalyst

 #225
20170248059
2017-08-31

Method for the diagnosis of an exhaust gas aftertreatment system for an internal combustion engine

 #226
20170248052
2017-08-31

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

 #227
20170241321
2017-08-24

Systems and methods for performing a NOx self-diagnostic test

 #228
20170234197
2017-08-17

VEHICLE OXIDATION CATALYST DIAGNOSTIC STRATEGY

 #229
20170234185
2017-08-17

Exhaust gas purification catalyst device, exhaust gas purification system, and method for detecting deterioration of exhaust gas purification catalyst device

 #230
20170226911
2017-08-10

System and method for managing contaminant storage in a storage catalyst

 #231
20170198653
2017-07-13

Method and apparatus for improved lightoff performance of aftertreatment catalysts

 #232
20170191438
2017-07-06

Method of detecting abnormality of air-fuel ratio sensor

 #233
20170175604
2017-06-22

SYSTEM AND METHOD TO IMPROVE NOX CONVERSION FROM A HYBRID POWER PLANT

 #234
20170167417
2017-06-15

Apparatus and method for purifying exhaust gas

 #235
20170167352
2017-06-15

Deterioration diagnosis apparatus for selective catalytic reduction catalyst

 #236
20170167349
2017-06-15

System and method for fault diagnosis in emission control system

 #237
20170167339
2017-06-15

Engine exhaust system and control system for an engine exhaust system

 #238
20170152784
2017-06-01

Fault diagnosis apparatus for exhaust gas purification system

 #239
20170145884
2017-05-25

Exhaust purification device

 #240
20170138285
2017-05-18

Methods to adapt air-fuel (A/F) controls for catalyst aging

 #241
20170138245
2017-05-18

Deterioration diagnosis apparatus for exhaust gas purification apparatus

 #242
20170138244
2017-05-18

Methods to adapt reductant injection controls for catalyst aging

 #243
20170138238
2017-05-18

Exhaust gas aftertreatment bypass system and methods

 #244
20170122168
2017-05-04

Ammonia slip detection

 #245
20170107887
2017-04-20

Method for detecting the degree of aging of catalytic converters

 #246
20170096927
2017-04-06

Method of testing a proper functioning of a selective catalytic reduction system

 #247
20170089247
2017-03-30

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