ClassID:

138280

F01N2900/1614 - 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 NOx amount trapped in catalyst

Recent Application in this class:
#1
20260098491
2026-04-09

SYSTEMS AND METHODS FOR DOSER BIAS DETECTION IN AFTERTREATMENT SYSTEMS

#2
20260028930
2026-01-29

ENGINE DATA PROCESSOR AND COMPUTER-IMPLEMENTED METHOD FOR THE ADJUSTMENT OF AN EXHAUST GAS COMPOSITION

#3
20250314188
2025-10-09

Method for Operating an Exhaust System Having an SCR Catalytic Converter for an Internal Combustion Engine, Internal Combustion Engine Having an Exhaust System, and a Motor Vehicle Having an Internal Combustion Engine

#4
20250270947
2025-08-28

PURIFICATION SYSTEM

#5
20250207521
2025-06-26

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

#6
20250092812
2025-03-20

ENGINE DATA PROCESSOR AND COMPUTER-IMPLEMENTED METHOD FOR THE ADJUSTMENT OF AN EXHAUST GAS COMPOSITION

#7
20240254938
2024-08-01

SYSTEMS AND METHODS FOR COLD OPERATION NOx BURDEN REDUCTION

#8
20240200481
2024-06-20

Exhaust after-treatment in heavy-duty motor vehicles

#9
20240151171
2024-05-09

Control device and method for controlling an exhaust gas aftertreatment system

#10
20230392532
2023-12-07

Exhaust after-treatment in heavy-duty motor vehicles

#11
20230347326
2023-11-02

METHOD OF TREATING EXHAUST GAS AND SYSTEM FOR SAME

#12
20230313724
2023-10-05

Detecting reductant quality using a virtual sensor

#13
20230250747
2023-08-10

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#14
20230220793
2023-07-13

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

#15
20230174048
2023-06-08

VEHICLE CONTROL SYSTEM

#16
20230086566
2023-03-23

Systems and methods for cold operation NOx burden reduction

#17
20230003150
2023-01-05

Lean NOtrap plus low temperature NOadsorber system for low temperature NOtrapping

#18
20220403793
2022-12-22

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

#19
20220364492
2022-11-17

Systems and methods for optimizing engine-aftertreatment system operation

#20
20220356833
2022-11-10

Systems and methods for diagnosis of NOx storage catalyst

#21
20220341359
2022-10-27

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#22
20220325648
2022-10-13

Systems and methods for recovering catalyst performance

#23
20220282679
2022-09-08

Apparatus and method for controlling a vehicle action

#24
20220282652
2022-09-08

Apparatus and method for controlling a vehicle action

#25
20220268195
2022-08-25

Optical sensing of NOand ammonia in aftertreatment systems

#26
20220185441
2022-06-16

Fuel supply system for eco-friendly ship

#27
20220178288
2022-06-09

Systems and methods for determining amount of reductant deposits in aftertreatment systems

#28
20220099010
2022-03-31

Self-adaptive oil spraying control system and method for biodiesel engine

#29
20210372309
2021-12-02

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

#30
20210348536
2021-11-11

OPTICAL SENSING OF NOx AND AMMONIA IN AFTERTREATMENT SYSTEMS

#31
20210102488
2021-04-08

Systems and methods for diagnosis of NOx storage catalyst

#32
20210017889
2021-01-21

Exhaust system including SCRF catalyst with oxidation zone

#33
20200363370
2020-11-19

Method for monitoring a gas sensor

#34
20200318513
2020-10-08

Method and device for monitoring a nitrogen oxide trap

#35
20200131961
2020-04-30

EXHAUST GAS TREATMENT SYSTEMS AND METHODS FOR DIAGNOSING THE SAME

#36
20200109651
2020-04-09

System and methods of integrated control of combustion and SCR systems

#37
20200040795
2020-02-06

Systems and methods for optimizing engine-aftertreatment system operation

#38
20190301330
2019-10-03

Exhaust gas control apparatus for internal combustion engine

#39
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

#40
20190275465
2019-09-12

ABNORMALITY DIAGNOSIS SYSTEM FOR EXHAUST GAS PURIFICATION APPARATUS

#41
20190232225
2019-08-01

Exhaust emission control device, method and computer program product for an engine

#42
20190226377
2019-07-25

EXHAUST SYSTEM AND CONTROL METHOD OF AMOUNT OF UREA SUPPLY

#43
20190195104
2019-06-27

Regeneration system, vehicle comprising the same and regeneration method

#44
20190195103
2019-06-27

Exhaust gas purification apparatus for an internal combustion engine

#45
20190195102
2019-06-27

Exhaust gas purification apparatus for an internal combustion engine

#46
20190195101
2019-06-27

Exhaust gas purification apparatus for an internal combustion engine

#47
20190162094
2019-05-30

Control reset and diagnostic to maintain tailpipe compliance

#48
20190153922
2019-05-23

Exhaust gas purifying system

#49
20190143271
2019-05-16

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

#50
20190101034
2019-04-04

Method for desulfurization of selective catalytic reduction devices

#51
20190093539
2019-03-28

Apparatus for purifying exhaust gas

#52
20190032593
2019-01-31

Control system for engine

#53
20190024564
2019-01-24

Abnormality diagnosis system for exhaust gas purification apparatus

#54
20180328252
2018-11-15

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

#55
20180320626
2018-11-08

Methods and system for central fuel injection

#56
20180274427
2018-09-27

Abnormality diagnosis apparatus for exhaust gas purification apparatus

#57
20180274419
2018-09-27

Exhaust gas purification apparatus for an internal combustion engine

#58
20180245532
2018-08-30

Exhaust purification system

#59
20180209316
2018-07-26

Exhaust emission control system

#60
20180094596
2018-04-05

Exhaust purification system

#61
20180080357
2018-03-22

Exhaust system and control method of nitrogen oxide desorption

#62
20180073413
2018-03-15

NOx occlusion amount estimating device and NOx occlusion amount estimating method

#63
20180066558
2018-03-08

Exhaust purification system

#64
20180066556
2018-03-08

Exhaust purification system and catalyst regeneration method

#65
20180058284
2018-03-01

Apparatus and methods for evaluating a soot quantity accumulated in a selective catalytic reduction washcoated particulate filter

#66
20180038301
2018-02-08

Exhaust emission control system of engine

#67
20180038254
2018-02-08

Exhaust purification system and control method therefor

#68
20180038250
2018-02-08

Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engine

#69
20180030911
2018-02-01

Exhaust purification system and catalyst regeneration method

#70
20180023450
2018-01-25

Method and system for exhaust aftertreatment

#71
20180017003
2018-01-18

Exhaust emission control system of engine

#72
20180017002
2018-01-18

Exhaust emission control system of engine

#73
20180016958
2018-01-18

Regeneration method for purifying exhaust gas

#74
20170362980
2017-12-21

Exhaust gas purification system, and NOx purification capacity restoration method

#75
20170342884
2017-11-30

Exhaust system and control method of amount of urea supply

#76
20170341024
2017-11-30

Selective catalytic reduction (SCR) control optimization

#77
20170335733
2017-11-23

Exhaust gas purification apparatus for internal combustion engine

#78
20170198652
2017-07-13

Engine control systems and methods for nitrogen oxide reduction

#79
20170191396
2017-07-06

Exhaust purification system

#80
20170167343
2017-06-15

NOx reduction control method for exhaust gas aftertreatment device

#81
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

#82
20170074190
2017-03-16

Control method for improving nitrogen oxide purification performance

#83
20170037757
2017-02-09

Exhaust gas purification apparatus for internal combustion engine

#84
20170022939
2017-01-26

Exhaust gas control apparatus for internal combustion engine

#85
20170016368
2017-01-19

Regeneration method for exhaust-gas aftertreatment systems

#86
20170009674
2017-01-12

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

#87
20160376963
2016-12-29

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

#88
20160376962
2016-12-29

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

#89
20160348553
2016-12-01

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

#90
20160319757
2016-11-03

Exhaust purification system for internal combustion engine

#91
20160290272
2016-10-06

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

#92
20160290197
2016-10-06

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

#93
20160279574
2016-09-29

SYSTEMS AND METHODS FOR MONITORING THE HEALTH OF A SELECTIVE CATALYTIC REDUCTION CATALYST

#94
20160273465
2016-09-22

Failure diagnosis device of emission control system

#95
20160265461
2016-09-15

Failure diagnosis device of emission control system

#96
20160258331
2016-09-08

Method of evaluating a soot quantity accumulated in a selective catalytic reduction washcoated particulate filter (SDPF)

#97
20160230628
2016-08-11

Control apparatus for an internal combustion engine

#98
20160201587
2016-07-14

Exhaust gas purification system and exhaust gas purification method

#99
20160195032
2016-07-07

Exhaust purification system of internal combustion engine

#100
20160186627
2016-06-30

Exhaust purification system of internal combustion engine

#101
20160177798
2016-06-23

Exhaust purification system of internal combustion engine

#102
20160123260
2016-05-05

Method of pre-emptively regenerating a lean nox trap

#103
20160084185
2016-03-24

Method of controlling NOx by PNA

#104
20160053654
2016-02-25

Exhaust purification device for internal combustion engine

#105
20160003123
2016-01-07

Electronic control module for an internal combustion engine

#106
20150369107
2015-12-24

Device and method for fault-tracing pertaining to an SCR system

#107
20150322834
2015-11-12

Exhaust purification system of internal combustion engine

#108
20150218988
2015-08-06

Aftertreatment system for internal combustion engines

#109
20150176514
2015-06-25

Exhaust gas control apparatus for internal combustion engine

#110
20150151251
2015-06-04

Method for diagnosing a selective catalytic reduction catalyst

#111
20150139860
2015-05-21

On-board catalyst health monitoring and control system adaptation in internal combustion engines

#112
20150101319
2015-04-16

Control device for internal combustion engine

#113
20150090019
2015-04-02

Catalyst deterioration judging system

#114
20150017069
2015-01-15

Exhaust gas treatment system

#115
20150013309
2015-01-15

Ammonia storage management for SCR catalyst

#116
20140157760
2014-06-12

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

#117
20140127101
2014-05-08

Exhaust purification system of internal combustion engine

#118
20130298655
2013-11-14

Service test for exhaust gas treatment system

#119
20130195724
2013-08-01

Exhaust purification system of internal combustion engine

#120
20130167510
2013-07-04

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

#121
20130098462
2013-04-25

Model-based controls for selective catalyst reduction systems

#122
20130074477
2013-03-28

On-board diagnostic method for NOformation in an oxidation catalyst

#123
20130052087
2013-02-28

Exhaust purification system of internal combustion engine

#124
20130052086
2013-02-28

Exhaust purification system of internal combustion engine

#125
20130000284
2013-01-03

Exhaust purification system of internal combustion engine

#126
20120311996
2012-12-13

Filtering method and filter for a NOX sensor of an exhaust gas system

#127
20120275963
2012-11-01

Exhaust purification system of internal combustion engine

#128
20120192552
2012-08-02

Exhaust manifold

#129
20120137663
2012-06-07

Method for predicting NOx loading at DeNOx catalyst and exhaust system using the same

#130
20120137661
2012-06-07

Method for predicting regeneration of DeNOx catalyst and exhaust system using the same

#131
20120124967
2012-05-24

Adaptive control strategy

#132
20120095666
2012-04-19

Adaptive desulfation and regeneration methods for lean NOx trap

#133
20120000189
2012-01-05

Adaptive control of SCR urea injection to compensate errors

#134
20110320132
2011-12-29

Method for the determination of a NOx concentration value upstream of a SCR catalyst in a diesel engine

#135
20110308235
2011-12-22

Exhaust gas purification apparatus for internal combustion engine

#136
20110192147
2011-08-11

Model-based controls for selective catalyst reduction system

#137
20110056186
2011-03-10

Exhaust gas purification device

#138
20110023456
2011-02-03

Method and system for verifying the operation of an SCR catalyst

#139
20100287917
2010-11-18

EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#140
20100242480
2010-09-30

Exhaust gas purification system for an internal combustion engine

#141
20100132337
2010-06-03

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#142
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

#143
20090235646
2009-09-24

Exhaust gas purification method and system

#144
20060162320
2006-07-27

Engine system and method for efficient emission control device purging

#145
20050193719
2005-09-08

System for emission device control with cylinder deactivation

#146
20050193718
2005-09-08

Engine system and method for efficient emission control device purging

#147
18494022
2025-03-04

Techniques for calibrating a catalytic converter simulation

#148
17814344
2024-02-20

Engine aftertreatment system