ClassID:

137992

F01N2250/04 - CPC Classification

Classification description:

Combinations of different methods of purification afterburning and catalytic conversion

Recent Application in this class:
#1
20250116217
2025-04-10

MOTOR VEHICLE PROVIDED WITH AN AFTER-TREATMENT APPARATUS AND A DEVICE FOR HEATING THE AFTER-TREATMENT APPARATUS

#2
20230003156
2023-01-05

Method to control a burner for an exhaust system of an internal combustion engine

#3
20220316383
2022-10-06

Exhaust gas aftertreatment

#4
20220195908
2022-06-23

Heating device for an exhaust system of an internal combustion engine

#5
20220025797
2022-01-27

System for working machine

#6
20190195115
2019-06-27

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

#7
20180179971
2018-06-28

Control apparatus for internal combustion engine

#8
20170314442
2017-11-02

Secondary air system in an exhaust gas purification system of an internal combustion engine

#9
20170234184
2017-08-17

System and method for exhaust treatment

#10
20160290209
2016-10-06

Catalytic converter

#11
20150101315
2015-04-16

EXHAUST GAS APPARATUS AND METHOD FOR THE REGENERATION OF A NOX TRAP AND A PARTICLE FILTER

#12
20140325963
2014-11-06

Internal combustion engine and control method for same

#13
20120272641
2012-11-01

Particulate matter control system and its failure determination method

#14
20120144805
2012-06-14

Arrangement and method for operating an exhaust gas post-treatment device

#15
20110023453
2011-02-03

Particle filter assembly and method for cleaning a particle filter

#16
20110016848
2011-01-27

SYSTEM AND METHOD FOR TREATING DIESEL EXHAUST GASES

#17
20100319324
2010-12-23

Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same

#18
20100242898
2010-09-30

Engine system and method for substantially NOx-free combustion of a fuel in a compression ignition engine

#19
20100236223
2010-09-23

EXHAUST GAS APPARATUS AND METHOD FOR THE REGENERATION OF A NOX TRAP AND A PARTICLE FILTER

#20
20090208393
2009-08-20

DEVICE FOR REMOVING HARMFUL CONSTITUENTS FROM EXHAUST GASES OF INTERNAL COMBUSTION ENGINES

#21
20060053777
2006-03-16

System and method for increasing the temperature of gases within an exhaust of an internal combustion engine

#22
20060048500
2006-03-09

Engine exhaust re-burner system

#23
20050217247
2005-10-06

Diesel aftertreatment systems

#24
20050066652
2005-03-31

Diesel aftertreatment systems

#25
17649840
2022-12-06

Engine systems with exhaust air injection after three-way catalytic converters for non stoichiometric rich operation