ClassID:

138176

F01N2550/20 - CPC Classification

Classification description:

Monitoring or diagnosing the deterioration of exhaust systems Monitoring artificially aged exhaust systems

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

SYSTEMS AND METHODS FOR DIAGNOSING COMPONENT FAILURE

#2
20240318585
2024-09-26

SYSTEMS AND METHODS FOR DIAGNOSING COMPONENT FAILURE

#3
20240077010
2024-03-07

Systems and methods for diagnosing component failure

#4
20230399970
2023-12-14

Controller and control method for internal combustion engine

#5
20230296042
2023-09-21

Computer for diagnosing clogging of a probe for a vehicle

#6
20230203978
2023-06-29

EHC line leakage diagnosis method and vehicle exhaust system thereof

#7
20230175424
2023-06-08

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

#8
20230003152
2023-01-05

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

#9
20220136419
2022-05-05

Exhaust gas purification device for internal combustion engine, and vehicle

#10
20210270166
2021-09-02

Method for desulphurising a nitrogen oxide accumulator catalytic converter

#11
20200362744
2020-11-19

Predictive methods for emissions control systems performance

#12
20200191038
2020-06-18

System and method for diagnosing health of an exhaust aftertreatment system

#13
20200072112
2020-03-05

Predictive methods for emissions control systems performance

#14
20190178143
2019-06-13

Method of ageing a component of an exhaust after treatment system

#15
20180119593
2018-05-03

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

#16
20170211444
2017-07-27

Method of monitoring an exhaust gas aftertreatment system

#17
20150101582
2015-04-16

Non-intrusive exhaust gas sensor monitoring

#18
20140235430
2014-08-21

Method and apparatus for testing a catalyst material

#19
20140220691
2014-08-07

Determination of a degree of aging of an oxidizing catalytic converter

#20
20130231844
2013-09-05

Non-intrusive exhaust gas sensor monitoring

#21
20110251050
2011-10-13

Method and apparatus for testing a catalyst material

#22
20110183274
2011-07-28

PRODUCING AGEING GAS FOR EXHAUST GAS AFTER-TREATMENT SYSTEMS

#23
20090217762
2009-09-03

Methods for controlling and making particle filtering devices

#24
20090151336
2009-06-18

Aging device for catalytic converter in vehicle and method thereof

#25
20090126354
2009-05-21

Method for producing a stream of hot combustion exhaust gases at a settable temperature, apparatus for carrying out the method and use of the combustion exhaust gases for the targeted ageing of catalysts

#26
20080236134
2008-10-02

Exhaust gas simulation system with dual path temperature control for control of exhaust temperature

#27
20080070169
2008-03-20

Method and apparatus for testing catalytic converter durability

#28
20070289290
2007-12-20

Method for producing diesel exhaust with particulate material for testing diesel engine aftertreatment devices

#29
20070283749
2007-12-13

System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes

#30
20070240407
2007-10-18

Method for modifying trigger level for adsorber regeneration

#31
20070144245
2007-06-28

PM generating apparatus

#32
20060216202
2006-09-28

Method and apparatus for determining the activity and aging behavior of a catalyst

#33
20060201239
2006-09-14

Method for testing catalytic converter durability

#34
20050204804
2005-09-22

Method and device for artificially ageing a catalytic converter

#35
20050050950
2005-03-10

Component evaluations using non-engine based test system

#36
20050042763
2005-02-24

Testing using diesel exhaust produced by a non-engine based test system

#37
20050039524
2005-02-24

Testing using a non-engine based test system and exhaust product comprising alternative fuel exhaust