ClassID:

138252

F01N2900/0404 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Methods of control or diagnosing using a data filter

Recent Application in this class:
#1
20260146554
2026-05-28

REMOVAL DETERMINATION DEVICE FOR EXHAUST GAS CONTROL APPARATUS

#2
20250230761
2025-07-17

SYSTEMS, DEVICES, AND METHODS FOR REGENERATING A PARTICULATE FILTER

#3
20250207520
2025-06-26

Method to Control Combustion Inside a Burner of an Exhaust Gas After-Treatment System

#4
20240318586
2024-09-26

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

#5
20230399966
2023-12-14

Systems, devices, and methods for regenerating a particulate filter

#6
20210180490
2021-06-17

Systems, devices, and methods for regenerating a particulate filter

#7
20200386136
2020-12-10

Method and apparatus for selective catalytic reduction system

#8
20200200062
2020-06-25

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

#9
20200040785
2020-02-06

Urea injection control method in exhaust aftertreatment system

#10
20190376427
2019-12-12

CONTROL APPARATUS AND METHOD HAVING A CONTROL CLOSED LOOP OBSERVER CONFIGURATION FOR SCR/SCRF COMPONENT

#11
20190178129
2019-06-13

Methods for assessing the condition of a selective catalytic reduction devices

#12
20180306082
2018-10-25

Exhaust after-treatment system including sliding mode ammonia controller

#13
20180266294
2018-09-20

Model predictive control for multi-can selective catalytic reduction system

#14
20180142593
2018-05-24

Model predictive control for multi-can selective catalytic reduction system

#15
20170211493
2017-07-27

Exhaust aftertreatment thermal management controls

#16
20170167349
2017-06-15

System and method for fault diagnosis in emission control system

#17
20170138284
2017-05-18

Exhaust gas purifying apparatus for internal combustion engine

#18
20170002714
2017-01-05

METHOD AND SYSTEM FOR MONITORING THE OPERATION OF A CATALYTIC CONVERTER

#19
20160281574
2016-09-29

Method for calculating exhaust temperature

#20
20160186636
2016-06-30

Method of operating an exhaust emission control device, and corresponding exhaust emission control device

#21
20150369700
2015-12-24

Diagnosis of the condition of a particle filter

#22
20150361846
2015-12-17

System variation adaption for feed-forward controller

#23
20150361845
2015-12-17

Feed-back for closed-loop selective catalytic reduction control

#24
20150247435
2015-09-03

Systems, methods, and apparatus for reductant dosing in an SCR aftertreatment system

#25
20150113950
2015-04-30

Method and apparatus for detecting selective catalytic reduction injector opening time

#26
20150039256
2015-02-05

Method and device for dynamic monitoring of gas sensors

#27
20130340416
2013-12-26

Particulate matter processing apparatus

#28
20130255233
2013-10-03

Exhaust purification system for internal combustion engine

#29
20130061949
2013-03-14

Selective catalytic reduction system

#30
20130061665
2013-03-14

Selective catalytic reduction sensor

#31
20130055700
2013-03-07

SELECTIVE CATALYTIC REDUCTION SYSTEM

#32
20130004149
2013-01-03

Method to detect fuel vaporizer coking

#33
20120311996
2012-12-13

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

#34
20120280819
2012-11-08

Efficiency determination for a selective-catalytic-reduction catalyst

#35
20120090297
2012-04-19

Method for adapting a lean NOx trap in an exhaust system of a motor vehicle

#36
20120085083
2012-04-12

SCR ammonia slip detection

#37
20110252767
2011-10-20

Apparatus and method to diagnose a NOsensor

#38
20110113753
2011-05-19

Method for operating an exhaust gas treatment system having an SCR catalytic converter

#39
20110005202
2011-01-13

Identifying ammonia slip conditions in a selective catalytic reduction application

#40
20100229531
2010-09-16

Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system

#41
20100223908
2010-09-09

Ammonia (NH) storage control system and method based on a nitrogen oxide(NO) sensor

#42
20100086446
2010-04-08

Exhaust emission purifying apparatus for engine

#43
20100050607
2010-03-04

System and method for controlling exhaust stream temperature

#44
20090313980
2009-12-24

Method to detect fuel vaporizer coking

#45
20090222189
2009-09-03

Apparatus, system, and method for determining a regeneration availability profile

#46
20090158712
2009-06-25

Method for controlling injection in a diesel engine exhaust aftertreatment system and diesel engine with exhaust aftertreatment system

#47
20080306673
2008-12-11

Exhaust emission control device for internal combustion engine

#48
20050207936
2005-09-22

System for diagnosing reagent solution quality

#49
20050066652
2005-03-31

Diesel aftertreatment systems

#50
17448010
2023-01-03

Method and system for determining internal temperature of a mid-brick catalyst for machine control