ClassID:

137839

F01N3/105 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust General auxiliary catalysts, e.g. upstream or downstream of the main catalyst

Sub-classes:
Recent Application in this class:
#1
20250305439
2025-10-02

EXHAUST SYSTEM

#2
20250163864
2025-05-22

APPARATUS AND METHOD FOR LAMBDA CONTROL OF SPARK-IGNITION ENGINES, AND MOTOR VEHICLE

#3
20250116218
2025-04-10

EXHAUST SYSTEM AND STRADDLED OFF-ROAD TRAVELING VEHICLE

#4
20240418116
2024-12-19

Emissions Reduction Systems and Methods

#5
20240035406
2024-02-01

Catalytic converter of vehicle

#6
20230364588
2023-11-16

ZONED TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#7
20230340899
2023-10-26

EXHAUST GAS PURIFICATION SYSTEM FOR A GASOLINE ENGINE

#8
20230250747
2023-08-10

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

#9
20230151757
2023-05-18

Emissions reduction systems and methods

#10
20220341359
2022-10-27

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

#11
20220316378
2022-10-06

Systems and methods for coordinated exhaust temperature control with electric heater and engine

#12
20220307400
2022-09-29

Exhaust aftertreatment unit for cleaning exhaust gases

#13
20220298942
2022-09-22

Exhaust gas purification catalyst

#14
20220297093
2022-09-22

CATALYST FOR REDUCING AMMONIA EMISSIONS

#15
20220243637
2022-08-04

Emissions reduction systems and methods

#16
20220243626
2022-08-04

Use of ozone with LNT and MnOcatalyst for the treatment of residual pollutant for the exhaust gas of an internal engine combustion

#17
20220136424
2022-05-05

Internal Combustion Engine Exhaust Aftertreatment System

#18
20220056830
2022-02-24

Dynamic excess ammonia detection with the aid of a software algorithm in order to eliminate the ammonia sensor

#19
20220003140
2022-01-06

Emissions reduction systems and methods

#20
20210388748
2021-12-16

Exhaust gas purification system for a gasoline engine

#21
20210348537
2021-11-11

Exhaust gas purification system for a gasoline engine

#22
20210332732
2021-10-28

Catalytic composite

#23
20210332731
2021-10-28

Exhaust gas purification system for a gasoline engine

#24
20210317766
2021-10-14

EXHAUST GAS PURIFICATION DEVICE, ASSOCIATED EXHAUST LINE AND PURIFICATION METHOD

#25
20210301700
2021-09-30

Systems and methods for coordinated exhaust temperature control with electric heater and engine

#26
20210301699
2021-09-30

Automotive exhaust aftertreatment system with doser

#27
20210299632
2021-09-30

Mixed oxide and its use as NOx adsorber

#28
20210254527
2021-08-19

Exhaust gas purification device

#29
20210215079
2021-07-15

Exhaust gas aftertreatment system with a selective catalytic reduction catalyst member upstream of a particulate filter

#30
20210213425
2021-07-15

THREE-WAY-CATALYST

#31
20210205790
2021-07-08

Exhaust gas purification catalyst

#32
20210199037
2021-07-01

Exhaust gas purification catalyst

#33
20210079826
2021-03-18

Exhaust gas treatment system with upstream SCR catalyst

#34
20200378287
2020-12-03

Method for operating an exhaust system, in particular of a motor vehicle

#35
20200263589
2020-08-20

Catalytic composite

#36
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

#37
20200182116
2020-06-11

Exhaust gas purification apparatus for internal combustion engine

#38
20200095915
2020-03-26

Multicomponent exhaust treatment system including an oxygen storage catalyst

#39
20200040783
2020-02-06

EXHAUST GAS SYSTEM

#40
20190301334
2019-10-03

Catalyst article for use in an emission treatment system

#41
20190299139
2019-10-03

Exhaust gas purification filter

#42
20190271250
2019-09-05

Exhaust gas purification apparatus for an internal combustion engine

#43
20190271249
2019-09-05

Exhaust gas purification apparatus for an internal combustion engine

#44
20190178187
2019-06-13

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

#45
20190178136
2019-06-13

Installation for depollution of exhaust gases, particularly of an internal-combustion engines, and method using such an installation

#46
20190120104
2019-04-25

Exhaust gas purification device

#47
20190101474
2019-04-04

Open emission analysis method and device

#48
20190101034
2019-04-04

Method for desulfurization of selective catalytic reduction devices

#49
20180195428
2018-07-12

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

#50
20180156093
2018-06-07

Inlet diffuser for exhaust aftertreatment system

#51
20180135488
2018-05-17

Exhaust system

#52
20180112570
2018-04-26

Catalytic converter and method of controlling exhaust emission

#53
20180112569
2018-04-26

Exhaust purification system of internal combustion engine

#54
20180111086
2018-04-26

HYDROCARBON INJECTION THROUGH SMALL PORE CU-ZEOLITE CATALYST

#55
20170341022
2017-11-30

METHOD AND EXHAUST SYSTEM FOR TREATING NOX IN EXHAUST GAS FROM STATIONARY EMISSION SOURCES

#56
20170184001
2017-06-29

Catalytic converter and exhaust-gas aftertreatment arrangement

#57
20170167352
2017-06-15

Deterioration diagnosis apparatus for selective catalytic reduction catalyst

#58
20170152779
2017-06-01

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

#59
20170107885
2017-04-20

Exhaust gas purification system of internal combustion engine having turbocharger

#60
20170044953
2017-02-16

Exhaust gas purification apparatus for an internal combustion engine

#61
20160341089
2016-11-24

Systems and methods for control of engine NOx emissions using liquid and dry reductant sources

#62
20160245139
2016-08-25

EXHAUST SYSTEM FOR POWER GENERATING APPARATUS

#63
20160169072
2016-06-16

EXHAUST AFTERTREATMENT SYSTEM AND METHOD

#64
20150204214
2015-07-23

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

#65
20150087497
2015-03-26

Electrically heated catalyst for a compression ignition engine

#66
20150020505
2015-01-22

Method for calculating the NOcontent at the inlet of a selective reduction catalyst and device for the implementation of this method

#67
20140373515
2014-12-25

Exhaust gas aftertreatment component with an HC adsorber function and exhaust gas system including such an exhaust gas aftertreatment component

#68
20140017138
2014-01-16

Exhaust gas purification apparatus for internal combustion engine

#69
20130338904
2013-12-19

Air-fuel ratio control apparatus for an internal combustion engine

#70
20130239547
2013-09-19

Integrated WGS/ECD exhaust treatment device for internal combustion engine having an EGR loop

#71
20130228008
2013-09-05

Device and method of determining deterioration of catalyst

#72
20130136677
2013-05-30

Catalysts for treating transient NOemissions

#73
20130000729
2013-01-03

DEF PUMP AND TANK THAWING SYSTEM AND METHOD

#74
20120312000
2012-12-13

Exhaust gas treatment device for diesel engine

#75
20120275977
2012-11-01

CATALYSTS FOR TREATING TRANSIENT NOx EMISSIONS

#76
20120260631
2012-10-18

Method and device for regenerating a particle filter in a Y-exhaust gas system

#77
20120117956
2012-05-17

Latent heat storage catalyst for an exhaust system in an internal combustion engine

#78
20120060477
2012-03-15

Operating method for an exhaust aftertreatment system and exhaust aftertreatment system

#79
20110271673
2011-11-10

EXHAUST SYSTEM FOR A COMBUSTION ENGINE

#80
20110258992
2011-10-27

Ammonia slip catalyst diagnostic methods and systems

#81
20110239632
2011-10-06

Exhaust emission purifying apparatus for engine

#82
20110239629
2011-10-06

Flue gas purifying device

#83
20110214415
2011-09-08

Gas/liquid mixing device for diesel exhaust aftertreatment

#84
20110047993
2011-03-03

Exhaust purification system of internal combustion engine

#85
20110030351
2011-02-10

EXHAUST GAS PURIFICATION APPARATUS

#86
20110030350
2011-02-10

EXHAUST GAS PURIFYING APPARATUS

#87
20110023455
2011-02-03

Method for purifying nitrogen oxide in exhaust gas and exhaust system operating the same

#88
20110016858
2011-01-27

Latent heat storage device

#89
20110005209
2011-01-13

Ammonia storage set-point control for selective catalytic reduction applications

#90
20090272102
2009-11-05

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

#91
20080264048
2008-10-30

Exhaust gas purification device for internal combustion engine

#92
20080256937
2008-10-23

FLUID HEATING DEVICE AND EXHAUST GAS PURIFYING APPARATUS

#93
20070180816
2007-08-09

Exhaust emission purifying apparatus for engine

#94
20060207243
2006-09-21

Emission control system

#95
20060037309
2006-02-23

Emission control system

#96
18526081
2024-07-16

Turbocharger incorporating oil shutoff control based on a cold light off catalyst

#97
18526048
2024-07-23

Modeling compressor pressure drop for turbocharger incorporating cold light off catalyst

#98
18390839
2025-02-18

Active hydrocarbon trap for reduction of emissions from internal combustion engines using an electrically-heated catalyst

#99
18342371
2024-05-28

Vehicle bypass catalyst diagnostic system

#100
18065236
2023-12-26

Internal combustion engine systems including intermittent sorbent usage for emission reduction

#101
16291219
2019-08-27

Exhaust gas control apparatus for internal combustion engine