ClassID:

137918

F01N13/0093 - CPC Classification

Classification description:

Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups  - , , having two or more separate purifying devices arranged in series the purifying devices are of the same type

Recent Application in this class:
#1
20260117720
2026-04-30

INTERNAL COMBUSTION ENGINE SYSTEM

#2
20260117719
2026-04-30

INTERNAL COMBUSTION ENGINE SYSTEM

#3
20260015962
2026-01-15

ACTIVE HYDROCARBON TRAP FOR REDUCTION OF EMISSIONS FROM INTERNAL COMBUSTION ENGINES USING A TWO-VALVE CONFIGURATION

#4
20260015957
2026-01-15

EXHAUST GAS SYSTEM

#5
20250207525
2025-06-26

ACTIVE HYDROCARBON TRAP FOR REDUCTION OF EMISSIONS FROM INTERNAL COMBUSTION ENGINES USING A TWO-VALVE CONFIGURATION

#6
20250188857
2025-06-12

THREE-WAY CATALYTIC CONVERTER AND DEVICE FOR PROCESSING TAIL GAS

#7
20250179968
2025-06-05

OXYGEN SENSOR HEATER CONTROL FOR HYBRID VEHICLE

#8
20250121678
2025-04-17

EXHAUST ASSEMBLY FOR A UTILITY VEHICLE

#9
20250003362
2025-01-02

VEHICLE BYPASS CATALYST DIAGNOSTIC SYSTEM

#10
20240328337
2024-10-03

Exhaust gas aftertreatment system

#11
20240318588
2024-09-26

Exhaust gas system for purifying exhaust gases of gasoline engine

#12
20240318587
2024-09-26

Exhaust gas purification system for purifying exhaust gases of internal combustion engines

#13
20240239185
2024-07-18

VEHICLE WITH EXHAUST PURIFICATION DEVICE

#14
20240229701
2024-07-11

CATALYTIC CONVERTER

#15
20240157341
2024-05-16

EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION SYSTEM

#16
20240133334
2024-04-25

CATALYTIC CONVERTER

#17
20240125263
2024-04-18

Exhaust gas aftertreatment system

#18
20240052767
2024-02-15

Control of selective catalytic reduction in heavy-duty motor vehicle engines

#19
20240052766
2024-02-15

Aftertreatment system NOx and ammonia control strategy

#20
20240003281
2024-01-04

Method for controlling an exhaust-gas aftertreatment system of an internal combustion engine having at least two SCR catalytic converters connected in series

#21
20240003276
2024-01-04

EMISSIONS REDUCTION FROM VEHICLES BY CONSUMING LOW CARBON FUEL BLENDS AND UTILIZING CARBON CAPTURE USING ADSORBENT MATERIAL

#22
20230407777
2023-12-21

Exhaust gas aftertreatment device

#23
20230265775
2023-08-24

Exhaust device for internal combustion engine

#24
20230193803
2023-06-22

Method for controlling the operation of an exhaust aftertreatment system

#25
20230167757
2023-06-01

Aftertreatment system

#26
20230129655
2023-04-27

Electrical heating unit

#27
20230037326
2023-02-09

Method for adaption of an exhaust treatment system

#28
20230034184
2023-02-02

Methods for evaluating diesel exhaust fluid quality

#29
20230003153
2023-01-05

Exhaust aftertreatment unit for cleaning exhaust gases

#30
20220381171
2022-12-01

Controlling urea injection in exhaust after treatment systems

#31
20220364489
2022-11-17

Control of selective catalytic reduction in heavy-duty motor vehicle engines

#32
20220355659
2022-11-10

Exhaust assembly for a utility vehicle

#33
20220307400
2022-09-29

Exhaust aftertreatment unit for cleaning exhaust gases

#34
20220290602
2022-09-15

Engine multi-path aftertreatment system with radio frequency sensors and methods, assemblies, and components thereof

#35
20220282655
2022-09-08

Method and device for exhaust gas aftertreatment in an internal combustion engine

#36
20220268190
2022-08-25

Systems and methods for controlling exhaust gas aftertreatment sensor systems

#37
20220268189
2022-08-25

Systems and methods for controlling exhaust gas aftertreatment sensor systems

#38
20220259995
2022-08-18

Exhaust gas after-treatment system

#39
20220203339
2022-06-30

LAYERED CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#40
20220203336
2022-06-30

Exhaust gas treatment system for ultra low NOx and cold start

#41
20220178289
2022-06-09

Exhaust gas post-treatment device

#42
20220168710
2022-06-02

Exhaust gas purification catalyst and production method therefor

#43
20220106900
2022-04-07

Exhaust gas purification device

#44
20220042438
2022-02-10

Aftertreatment system

#45
20220010710
2022-01-13

Aftertreatment system

#46
20210285358
2021-09-16

Exhaust-gas purification system of internal combustion engine

#47
20210239025
2021-08-05

Method for exhaust gas aftertreatment, and exhaust gas aftertreatment system

#48
20210222600
2021-07-22

Electrically heatable heating disk

#49
20210164374
2021-06-03

Exhaust aftertreatment component with bypass valve

#50
20210140357
2021-05-13

Method for regulating exhaust emissions

#51
20210062698
2021-03-04

Systems and methods for controlling exhaust gas aftertreatment sensor systems

#52
20210025306
2021-01-28

Method for control of exhaust aftertreatment for diesel engine

#53
20210003057
2021-01-07

Method for operating a petrol engine, in particular of a motor vehicle, and motor vehicle

#54
20200408128
2020-12-31

A SELECTIVE CATALYTIC REDUCTION SYSTEM AND A METHOD FOR NOx REDUCTION

#55
20200370454
2020-11-26

Diagnostic methods for a high efficiency exhaust aftertreatment system

#56
20200368684
2020-11-26

Process for the removal of dinitrogen oxide in process off-gas

#57
20200332730
2020-10-22

Start-up method for a vehicle with a hybrid propulsion system

#58
20200332690
2020-10-22

Thermal management lightoff assist systems and methods for regenerating oxidation catalyst in exhaust system

#59
20200271067
2020-08-27

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

#60
20200271041
2020-08-27

Method for operating an exhaust gas purification apparatus

#61
20200271038
2020-08-27

System and a method for diagnosing functionality of dosing units of a fluid dosing system

#62
20200271031
2020-08-27

Catalytic article and the use thereof for the treatment of an exhaust gas

#63
20200263585
2020-08-20

PASSIVE NITROGEN OXIDE ADSORBER CATALYST

#64
20200263580
2020-08-20

Method and Device Intended to Purify Sulphur Oxide Containing Exhaust Gas from Internal Combustion Engines by Means of a Multi-stage Adsorption Method

#65
20200208556
2020-07-02

Exhaust gas aftertreatment system for an internal combustion engine

#66
20200191034
2020-06-18

Apparatus and method for controlling exhaust gas purification

#67
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

#68
20200173331
2020-06-04

Exhaust gas aftertreatment system and method for exhaust gas aftertreatment in an internal combustion engine

#69
20200157995
2020-05-21

System and method for exhaust gas aftertreatment of an internal combustion engine

#70
20200063628
2020-02-27

Integrated SCR catalyst and LNT for NOx abatement

#71
20200049050
2020-02-13

Method and device for the exhaust gas aftertreatment of a combustion engine

#72
20200003103
2020-01-02

EXHAUST AFTERTREATMENT SYSTEM FOR AN ENGINE

#73
20190390586
2019-12-26

Method for optimizing the consumption of reducing agent in a motor vehicle exhaust line

#74
20190376436
2019-12-12

Systems and methods for an exhaust-gas aftertreatment device

#75
20190376435
2019-12-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

#76
20190376434
2019-12-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

#77
20190366268
2019-12-05

Engine exhaust device

#78
20190351394
2019-11-21

Three-way catalyst

#79
20190345859
2019-11-14

Passive NOadsorber

#80
20190338687
2019-11-07

Engine aftertreatment system

#81
20190316503
2019-10-17

Selective catalytic reduction system

#82
20190301343
2019-10-03

Asynchronous reductant insertion in aftertreatment systems

#83
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

#84
20190257236
2019-08-22

Method for monitoring a nitrogen oxide storage catalyst

#85
20190234285
2019-08-01

Method to determine the quantity of metal powders accumulated in a particulate filter for an internal combustion engine

#86
20190234269
2019-08-01

Exhaust emission control device for internal combustion engine

#87
20190234264
2019-08-01

Exhaust unit

#88
20190226377
2019-07-25

EXHAUST SYSTEM AND CONTROL METHOD OF AMOUNT OF UREA SUPPLY

#89
20190211725
2019-07-11

Exhaust gas aftertreatment system and method for exhaust aftertreatment of an internal combustion engine

#90
20190195115
2019-06-27

Exhaust gas aftertreatment system and method for exhaust aftertreatment of an internal combustion engine

#91
20190151829
2019-05-23

Exhaust gas purification underfloor catalyst and catalyst system

#92
20190136737
2019-05-09

Exhaust purification system of internal combustion engine

#93
20190134614
2019-05-09

POROUS CERAMIC BODY TO REDUCE EMISSIONS

#94
20190128167
2019-05-02

Mixer system proximate to vehicle engine

#95
20190120113
2019-04-25

Exhaust gas treatment system for a motor vehicle

#96
20190093539
2019-03-28

Apparatus for purifying exhaust gas

#97
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

#98
20190072049
2019-03-07

Control system for internal combustion engine

#99
20190060833
2019-02-28

Zoned configuration for oxidation catalyst combinations

#100
20190040778
2019-02-07

Exhaust treatment system and method for treatment of an exhaust stream

#101
20190024560
2019-01-24

Catalytic converter and method for manufacturing casing

#102
20190017425
2019-01-17

Exhaust gas purifying apparatus

#103
20180363534
2018-12-20

Asynchronous reductant insertion in aftertreatment systems

#104
20180355824
2018-12-13

Methods and systems for a blow-off line

#105
20180347423
2018-12-06

Exhaust gas after-treatment unit for an internal combustion engine and procedure for using a drive mechanism with such an exhaust gas after-treatment unit

#106
20180334972
2018-11-22

Method and device for the exhaust-gas aftertreatment of an internal combustion engine

#107
20180320570
2018-11-08

Exhaust system for an internal combustion engine and method for operating such an exhaust system

#108
20180280877
2018-10-04

SCR with turbo and ASC/DOC close-coupled system

#109
20180266294
2018-09-20

Model predictive control for multi-can selective catalytic reduction system

#110
20180264446
2018-09-20

Catalytic wall-flow filter with an ammonia slip catalyst

#111
20180258839
2018-09-13

Method and device for the purification of diesel exhaust gases

#112
20180258811
2018-09-13

Method and system for a first and a second supply of additive to an exhaust gas stream from an internal combustion engine

#113
20180230878
2018-08-16

EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

#114
20180230875
2018-08-16

Method and exhaust treatment system for treatment of an exhaust gas stream

#115
20180229224
2018-08-16

Exhaust gas treatment catalysts

#116
20180223759
2018-08-09

Method and system for treatment of an exhaust gas stream

#117
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

#118
20180221855
2018-08-09

Catalyst for purifying the exhaust gases of diesel engines

#119
20180221819
2018-08-09

Exhaust treatment system and method for treatment of an exhaust gas stream

#120
20180216553
2018-08-02

Catalyst deterioration determination system

#121
20180216510
2018-08-02

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

#122
20180195428
2018-07-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

#123
20180171913
2018-06-21

Systems and methods for a split exhaust engine system

#124
20180171850
2018-06-21

Increased NOconversion by ozone introduction

#125
20180169634
2018-06-21

Porous ceramic body to reduce emissions

#126
20180163589
2018-06-14

Method and apparatus for controlling reductant injection into an exhaust gas feedstream from an internal combustion engine

#127
20180149054
2018-05-31

Inline scrubber with dual water system

#128
20180142590
2018-05-24

Diagnostic methods for a high efficiency exhaust aftertreatment system

#129
20180128146
2018-05-10

Reductant spray and exhaust gas flow guide and deflector

#130
20180112574
2018-04-26

Method for regulating an exhaust-gas aftertreatment device of an internal combustion engine

#131
20180112570
2018-04-26

Catalytic converter and method of controlling exhaust emission

#132
20180087426
2018-03-29

System for regulating exhaust emissions

#133
20180073458
2018-03-15

Control device for an exhaust purification system of an internal combustion engine

#134
20180058293
2018-03-01

Reduced Sulfation Impact on Cu-SCRs

#135
20180058285
2018-03-01

Internal combustion engine system and method for increasing the temperature in at least one part of the internal combustion engine system

#136
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#137
20180051616
2018-02-22

System and method for monitoring particulate filter condition in an aftertreatment system

#138
20180038252
2018-02-08

Exhaust gas treatment system

#139
20180023441
2018-01-25

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

#140
20180023437
2018-01-25

Exhaust gas purification apparatus for an internal combustion engine

#141
20180021727
2018-01-25

Method and apparatus for operating a gas turbine power plant at low load conditions with stack compliant emissions levels

#142
20180016958
2018-01-18

Regeneration method for purifying exhaust gas

#143
20180010508
2018-01-11

Asynchronous reductant insertion in aftertreatment systems

#144
20180010500
2018-01-11

Internal combustion engine and method for operating same

#145
20180010499
2018-01-11

QUICK PURIFICATION DEVICE FOR SMOKE AND EXHAUST GAS DISCHARGED FROM MARINE ENGINE

#146
20180001254
2018-01-04

Carbon dioxide capturing system and exhaust gas processing method

#147
20170363029
2017-12-21

Methods and systems for treating vehicle emissions

#148
20170362989
2017-12-21

NITROGEN OXIDE PURIFICATION SYSTEM AND CONTROL METHOD OF THE SAME

#149
20170342884
2017-11-30

Exhaust system and control method of amount of urea supply

#150
20170328250
2017-11-16

Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion engines

#151
20170321590
2017-11-09

Engine exhaust system

#152
20170314439
2017-11-02

Methods and systems for an engine after-treatment system

#153
20170298796
2017-10-19

Exhaust system for a diesel engine

#154
20170284266
2017-10-05

Emissions control systems and methods for vehicles

#155
20170248058
2017-08-31

Control apparatus for internal combustion engine

#156
20170234183
2017-08-17

System and methods for reducing SOx gases in aftertreatment systems

#157
20170234182
2017-08-17

HIGH-END PROCESSING DEVICE FOR PURIFICATION OF EXHAUST OF DIESEL ENGINE

#158
20170218813
2017-08-03

Exhaust treatment system and method for treatment of an exhaust stream

#159
20170218812
2017-08-03

Exhaust treatment system and method for treatment of an exhaust stream

#160
20170218811
2017-08-03

Method and system for controlling nitrogen oxide emissions from a combustion engine

#161
20170216771
2017-08-03

Method for cleaning process off- or engine exhaust gas

#162
20170211446
2017-07-27

Internal combustion engine for reducing exhaust gas emissions

#163
20170198619
2017-07-13

System and method for regulating exhaust emissions

#164
20170184001
2017-06-29

Catalytic converter and exhaust-gas aftertreatment arrangement

#165
20170183998
2017-06-29

System and method for purification of an exhaust stream by use of two reduction catalysts

#166
20170175607
2017-06-22

Methods and systems for introducing reductant into an exhaust passage

#167
20170167336
2017-06-15

Apparatus for purifying exhaust gas

#168
20170159528
2017-06-08

Catalytic converter

#169
20170152780
2017-06-01

Exhaust treatment system and method for treatment of an exhaust stream

#170
20170136401
2017-05-18

Staged pressure swing adsorption for simultaneous power plant emission control and enhanced hydrocarbon recovery

#171
20170130632
2017-05-11

Exhaust system

#172
20170130629
2017-05-11

Method for checking the plausibility of a NOx sensor in an SCR catalytic converter system

#173
20170130628
2017-05-11

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

#174
20170122166
2017-05-04

Device and method comprising double reducing devices and a catalytically coated particle filter for treatment of an exhaust stream

#175
20170107878
2017-04-20

Exhaust system

#176
20170096923
2017-04-06

PASSIVE NOx ADSORBER

#177
20170096921
2017-04-06

Method for the operation of an exhaust gas aftertreatment system

#178
20170089244
2017-03-30

Method for injecting reductant into an exhaust gas of an engine

#179
20170082003
2017-03-23

Method and system for controlling nitrogen oxide emissions from a combustion engine

#180
20170074139
2017-03-16

Exhaust treatment system and method for treatment of an exhaust stream

#181
20170067387
2017-03-09

Asynchronous reductant insertion in aftertreatment systems

#182
20170067382
2017-03-09

Exhaust gas after treatment device

#183
20170065918
2017-03-09

Exhaust gas treating device, temperature raising method of catalyst, regeneration method of honeycomb structure, and ash removing method

#184
20170051654
2017-02-23

Diagnostic methods for a high efficiency exhaust aftertreatment system

#185
20170037804
2017-02-09

Control device of internal combustion engine

#186
20170037758
2017-02-09

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

#187
20170037755
2017-02-09

Catalyst subassembly, device comprising same for purifying exhaust gases from an internal combustion engine, modular system for the subassembly, and method for manufacturing the subassembly

#188
20170030235
2017-02-02

Device and method for impacting the amount of nitrogen oxides in exhaust gases from an internal combustion engine

#189
20170016368
2017-01-19

Regeneration method for exhaust-gas aftertreatment systems

#190
20170009629
2017-01-12

Exhaust aftertreatment device for aftertreatment of exhaust of an internal combustion engine

#191
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

#192
20160348601
2016-12-01

Internal combustion engine

#193
20160312678
2016-10-27

Advanced exhaust aftertreatment system architecture

#194
20160310897
2016-10-27

Exhaust gas purification apparatus

#195
20160305316
2016-10-20

Outboard motor

#196
20160290268
2016-10-06

Exhaust purification system of internal combustion engine

#197
20160281619
2016-09-29

Systems and methods for desulfation of an oxidation catalyst for dual fuel engines

#198
20160245207
2016-08-25

Exhaust aftertreatment system

#199
20160245145
2016-08-25

Control device of internal combustion engine

#200
20160245141
2016-08-25

Exhaust purification system

#201
20160237872
2016-08-18

Exhaust purification system

#202
20160230631
2016-08-11

Selective catalytic reduction device

#203
20160222851
2016-08-04

Exhaust gas purification catalyst device and exhaust gas purification method

#204
20160160769
2016-06-09

Method and apparatus for operating a vehicle, in particular a watercraft

#205
20160131007
2016-05-12

Exhaust gas aftertreatment device with injection section

#206
20160115840
2016-04-28

Construction machine

#207
20160084137
2016-03-24

On-board diagnostic methods for partial filtration filters

#208
20160061084
2016-03-03

Control system of internal combustion engine

#209
20160053644
2016-02-25

Method and system for the removal of particulate matter soot, ash and heavy metals from engine exhaust gas

#210
20160038878
2016-02-11

Zoned catalyst for treating exhaust gas

#211
20160003117
2016-01-07

Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines

#212
20150361858
2015-12-17

Urea water supply system

#213
20150361857
2015-12-17

Urea water supply system

#214
20150337758
2015-11-26

Method of starting up a thermoreactor

#215
20150337710
2015-11-26

Locomotive and transit system efficiency and emissions improvements

#216
20150330279
2015-11-19

External exhaust guiding flow chambers for multiple catalyst architecture

#217
20150322878
2015-11-12

Control system of internal combustion engine

#218
20150322838
2015-11-12

Exhaust gas processing system independent to engine controls

#219
20150315986
2015-11-05

Natural gas engine and operation method for natural gas engine

#220
20150283507
2015-10-08

Device and method for the purification of diesel engine exhaust gases

#221
20150275730
2015-10-01

Systems and methods to reduce reductant consumption in exhaust aftertreament systems

#222
20150252714
2015-09-10

NOx sensor based output disablement in response to exhaust system high frequency pressure pulsations

#223
20150251136
2015-09-10

Formaldehyde Emission Reduction in Natural Gas Fired Reciprocating Internal Combustion Engines (RICE)

#224
20150243866
2015-08-27

Thermoelectric generator

#225
20150240682
2015-08-27

Systems and methods to mitigate NOand HC emissions

#226
20150238902
2015-08-27

Exhaust gas purification system and exhaust gas purification method

#227
20150204260
2015-07-23

Purification apparatus of engine exhaust gas and method for purification of exhaust gas

#228
20150204214
2015-07-23

Method and apparatus for operating a gas turbine power plant at low load conditions with stack compliant emissions levels

#229
20150167526
2015-06-18

Aftertreatment system having two SCR catalysts

#230
20150159537
2015-06-11

Exhaust gas aftertreatment module

#231
20150157981
2015-06-11

System and method for sealing catalyst within aftertreatment housing

#232
20150147250
2015-05-28

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

#233
20150136520
2015-05-21

Structure of dual exhaust system for CDA engine

#234
20150125371
2015-05-07

Three-way-catalyst system

#235
20150113966
2015-04-30

Aftertreatment systems with reduced NO generation

#236
20150098879
2015-04-09

Exhaust system comprising exotherm-generating catalyst

#237
20150096287
2015-04-09

Multi-stage SCR control and diagnostic system

#238
20150096286
2015-04-09

Exhaust gas purification device for internal combustion engine

#239
20150087497
2015-03-26

Electrically heated catalyst for a compression ignition engine

#240
20150071839
2015-03-12

Catalyst component of a motor vehicle exhaust gas cleaning system and use of a catalyst component

#241
20150052878
2015-02-26

Multi-stage SCR system

#242
20150041319
2015-02-12

Gas sensor control apparatus

#243
20150040560
2015-02-12

Internal combustion engine system and method for increasing the temperature in at least one part of the internal combustion engine system

#244
20150040543
2015-02-12

Method and system for identifying a source of nitrogen oxide reduction inefficiency

#245
20150027107
2015-01-29

NOx control during engine idle-stop operations

#246
20150023853
2015-01-22

Method for reducing nitrogen oxides in diesel-engine exhaust gases and exhaust gas aftertreatment system for carrying out the method

#247
20150000255
2015-01-01

Arrangement for exhaust-gas aftertreatment system for an internal combustion engine and method for operating the exhaust-gas aftertreatment system arrangement

#248
20140363358
2014-12-11

Exhaust aftertreatment system and method for operating the system

#249
20140353064
2014-12-04

Modular exhaust system

#250
20140331654
2014-11-13

Particulate filter device monitoring system for an engine

#251
20140262590
2014-09-18

Passenger service vehicle

#252
20140261073
2014-09-18

Locomotive natural gas storage and transfer system

#253
20140261059
2014-09-18

Hybrid systems for locomotives

#254
20140260217
2014-09-18

Locomotive and transit system efficiency and emissions improvements

#255
20140260208
2014-09-18

Exhaust gas purifier

#256
20140255281
2014-09-11

System and method for exhaust gas after treatment

#257
20140250874
2014-09-11

Exhaust device for multicylinder engine

#258
20140234188
2014-08-21

Apparatus and method for filtering engine exhaust gases

#259
20140230408
2014-08-21

System and method for exhaust gas aftertreatment

#260
20140223902
2014-08-14

Internal combustion engine with selective catalytic converter for the reduction of nitrogen oxides and method for operating an internal combustion engine of said type

#261
20140178263
2014-06-26

System and method for retaining aftertreatment bricks

#262
20140161679
2014-06-12

Exhaust system

#263
20140154159
2014-06-05

Engine exhaust aftertreatment component including aftertreatment brick module

#264
20140112833
2014-04-24

Exhaust gas control apparatus for internal combustion engine

#265
20140109558
2014-04-24

After-treatment device

#266
20140109553
2014-04-24

Diesel engine exhaust aftertreatment system and method of operation

#267
20140106460
2014-04-17

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

#268
20140086803
2014-03-27

NOX REDUCTION

#269
20140039781
2014-02-06

NOx control during engine idle-stop operations

#270
20140023561
2014-01-23

Exhaust cleaner for internal combustion engine

#271
20140020364
2014-01-23

Method for reducing nitrogen oxide levels in diesel engine exhaust gases

#272
20140007563
2014-01-09

Multiple skewed channel bricks mounted in opposing clocking directions

#273
20140000241
2014-01-02

Method for feeding thermal energy into an exhaust emission control unit connected in the exhaust gas system of an internal combustion engine

#274
20130327019
2013-12-12

Particulate oxidation catalyst with dual pressure-drop sensors

#275
20130312858
2013-11-28

Flow control grid

#276
20130305695
2013-11-21

Aftertreatment system having two SCR catalysts

#277
20130303365
2013-11-14

Catalyst and method of manufacture

#278
20130287664
2013-10-31

Method for exhaust gas after treatment

#279
20130259760
2013-10-03

Exhaust system for saddle-ride type vehicle

#280
20130259752
2013-10-03

Exhaust purification system of internal combustion engine

#281
20130239553
2013-09-19

System for determining sulfur storage of aftertreatment devices

#282
20130232958
2013-09-12

System and method to manage SCR catalyst NO/NOratio

#283
20130179051
2013-07-11

Air-fuel ratio control apparatus for an internal combustion engine

#284
20130139489
2013-06-06

Method and algorithm for diagnosing an NH3 sensor in an SCR system using measurements from two channels of the sensor

#285
20130115150
2013-05-09

SCR catalyst system and method for the operation thereof

#286
20130111879
2013-05-09

Over temperature/pressure safety device for diesel particulate filters

#287
20130104530
2013-05-02

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

#288
20130091826
2013-04-18

Cold start NOgeneration system

#289
20130067891
2013-03-21

Exhaust aftertreatment system

#290
20130047583
2013-02-28

AFTERTREATMENT SYSTEM

#291
20130022511
2013-01-24

Exhaust purifying catalyst

#292
20130019589
2013-01-24

EXHAUST AFTERTREATMENT SYSTEM FOR COMPRESSION-IGNITION ENGINES

#293
20130011313
2013-01-10

Exhaust gas aftertreatment installation and method

#294
20120328499
2012-12-27

EXHAUST GAS PURIFICATION CATALYST APPARATUS USING SELECTIVE REDUCTION-TYPE CATALYST AND EXHAUST GAS PURIFICATION METHOD

#295
20120315204
2012-12-13

EXHAUST PURIFICATION DEVICE AND EXHAUST PURIFICATION METHOD FOR DIESEL ENGINE

#296
20120304861
2012-12-06

Device for reducing soot particles and method for the same

#297
20120304751
2012-12-06

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

#298
20120294786
2012-11-22

Exhaust purification device and exhaust purification method for diesel engine

#299
20120275978
2012-11-01

System for reducing NOx in exhaust

#300
20120260634
2012-10-18

NOx CONTROL SYSTEMS AND METHODS FOR CONTROLLING NOx EMISSIONS