ClassID:

137997

F01N2250/14 - CPC Classification

Classification description:

Combinations of different methods of purification absorption or adsorption, and filtering

Recent Application in this class:
#1
20240392712
2024-11-28

Post-Combustion Engine Exhaust Gases Absorber

#2
20230003150
2023-01-05

Lean NOtrap plus low temperature NOadsorber system for low temperature NOtrapping

#3
20210162344
2021-06-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#4
20200291839
2020-09-17

Methods and systems for exhaust emission control

#5
20190383183
2019-12-19

AFTERTREATMENT SYSTEM WITH LEAN NOx TRAP FILTER

#6
20190063292
2019-02-28

Variable-position mixer for an exhaust gas after-treatment system

#7
20190001268
2019-01-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#8
20170044946
2017-02-16

Method of operating an automotive system

#9
20160290199
2016-10-06

System and method of purifying exhaust gas provided with lean NOx trap and selective catalytic reduction catalyst

#10
20160138452
2016-05-19

Reagent dosing system and method of dosing reagent

#11
20160010308
2016-01-14

Work machine

#12
20140373515
2014-12-25

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

#13
20140311128
2014-10-23

Reagent dosing system and method of dosing reagent

#14
20140241950
2014-08-28

Exhaust system for a lean burn IC engine

#15
20130315790
2013-11-28

Exhaust purification system of internal combustion engine

#16
20130011313
2013-01-10

Exhaust gas aftertreatment installation and method

#17
20120321523
2012-12-20

EXHAUST EMISSION CONTROL DEVICE

#18
20120247088
2012-10-04

EXHAUST GAS AFTER-TREATMENT SYSTEM

#19
20120233985
2012-09-20

APPARATUS COMPRISING LEAN BURN IC ENGINE AND AN EXHAUST SYSTEM THEREFOR

#20
20120148464
2012-06-14

Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage function

#21
20110239633
2011-10-06

EXHAUST EMISSION PURIFYING APPARATUS

#22
20110179777
2011-07-28

Exhaust system for a lean burn ic engine

#23
20110016848
2011-01-27

SYSTEM AND METHOD FOR TREATING DIESEL EXHAUST GASES

#24
20110011059
2011-01-20

Exhaust gas treating apparatus and treating method

#25
20110005204
2011-01-13

Exhaust gas aftertreatment installation and method

#26
20100307137
2010-12-09

Method for controlling the temperature of the exhaust gases of a thermal engine

#27
20100257847
2010-10-14

Exhaust purification system of internal combustion engine

#28
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

#29
20100186394
2010-07-29

Exhaust gas after treatment assembly

#30
20100132336
2010-06-03

Exhaust gas purification system for an internal combustion engine

#31
20090301067
2009-12-10

Reagent dosing system and method of dosing reagent

#32
20090301063
2009-12-10

Exhaust gas purification device

#33
20090205323
2009-08-20

Exhaust gas purification system for internal combustion engine

#34
20090205322
2009-08-20

Exhaust Gas Aftertreatment System and Exhaust Gas Cleaning Method

#35
20090193796
2009-08-06

Gasoline engine emissions treatment systems having particulate traps

#36
20090180943
2009-07-16

Selective Ammonia Oxidation Catalysts

#37
20090064664
2009-03-12

Device for Cleaning Exhaust Gas of Internal Combustion Engine

#38
20090049825
2009-02-26

Exhaust Gas Purification Device For Internal Combustion Engine

#39
20080264040
2008-10-30

System and method for reducing NOx emissions in an apparatus having a diesel engine

#40
20080178579
2008-07-31

Dual path exhaust emission control system

#41
20080121451
2008-05-29

Engine hood assembly enclosure with exhaust aftertreatment device integrated therein, and machine using same

#42
20080016851
2008-01-24

System to reduce engine exhaust oxygen using exhaust hydrocarbons and a catalyst positioned upstream of a fuel reformer-LNT system

#43
20080016850
2008-01-24

Simultaneous LNT and DPF regeneration

#44
20080000221
2008-01-03

Process and system for removing soot from particulate filters of vehicle exhaust systems

#45
20070256407
2007-11-08

Reformer temperature control with leading temperature estimation

#46
20070204601
2007-09-06

Exhaust gas purification system for hybrid vehicle

#47
20070175208
2007-08-02

Exhaust gas aftertreatment installation and method

#48
20070175206
2007-08-02

NOx adsorber aftertreatment system for internal combustion engines

#49
20070130915
2007-06-14

Internal combustion engine with exhaust-gas purification system, and method for purifying the exhaust gas from an internal combustion engine

#50
20070082783
2007-04-12

Narrow speed range diesel-powered engine system w/ aftertreatment device

#51
20070000237
2007-01-04

Exhaust gas purification system for internal combustion engine

#52
20060283174
2006-12-21

System and method for reducing NOx emissions in an apparatus having a diesel engine

#53
20060283172
2006-12-21

System and method for reducing NOx emissions in an apparatus having a diesel engine

#54
20060254266
2006-11-16

Emissions control

#55
20060162323
2006-07-27

Diesel engine after treatment device for conversion of nitrogen oxide and particulate matter

#56
20060153761
2006-07-13

Exhaust gas aftertreatment installation and method

#57
20060133969
2006-06-22

Exhaust system for a lean burn internal combustion engine

#58
20060117738
2006-06-08

Method and device for controlling the functioning of a nitrogen oxide trap for an internal combustion engine running on a lean mixture

#59
20060107649
2006-05-25

Apparatus and method for clarifying exhaust gas of diesel engine

#60
20060021331
2006-02-02

Pre-combustors for internal combustion engines and systems and methods therefor

#61
20050217254
2005-10-06

Exhaust purifying apparatus and exhaust purifying method for internal combustion engine

#62
20050175515
2005-08-11

Exhaust gas-purifying apparatus

#63
20050166577
2005-08-04

Emissions control

#64
20050150213
2005-07-14

Pressure detection mechanism for exhaust emission control device of internal combustion engine

#65
20050103001
2005-05-19

Method and system for regenerating NOadsorbers and/or particulate filters

#66
20050091970
2005-05-05

Diesel particulate filter pressure monitor

#67
20050072141
2005-04-07

Exhaust gas purification apparatus for internal combustion engine and method thereof

#68
20050050881
2005-03-10

Exhaust gas purification system for internal combustion engine

#69
20050022506
2005-02-03

Combustion control system of internal combustion engine

#70
20050016164
2005-01-27

Exhaust line for an internal combustion engine

#71
18118287
2024-01-09

Logic for improved delta pressure based soot estimation on low restriction particulate filters