ClassID:

138133

F01N2490/06 - CPC Classification

Classification description:

Structure, disposition or shape of gas-chambers; Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet in opposite directions

Recent Application in this class:
#1
20220162972
2022-05-26

Diesel exhaust treatement apparatus and methods

#2
20220072474
2022-03-10

Annular catalytic converter

#3
20210199039
2021-07-01

After treatment system for a vehicle

#4
20200040792
2020-02-06

Exhaust gas treatment device for an internal combustion engine of a motor vehicle

#5
20200018207
2020-01-16

Exhaust gas system

#6
20200018203
2020-01-16

HELMHOLTZ MUFFLER FOR VEHICLE

#7
20190383198
2019-12-19

Muffler with easy discharge of condensate

#8
20190226371
2019-07-25

Muffler

#9
20190218956
2019-07-18

Exhaust orifice tube for vehicle mufflers

#10
20190195099
2019-06-27

EXHAUST DEVICE OF ENGINE

#11
20190136739
2019-05-09

Vehicle exhaust device

#12
20190112961
2019-04-18

Exhaust gas/reactant mixing assembly unit

#13
20190063282
2019-02-28

Air exhausting device

#14
20190063281
2019-02-28

Air exhausting device

#15
20170138242
2017-05-18

Heat exchanger system for treatment of a flow of exhaust gases in an exhaust gas aftertreatment system

#16
20160245146
2016-08-25

Exhaust muffler

#17
20160230627
2016-08-11

Muffler

#18
20160158695
2016-06-09

Airstream treatment apparatus (ATA) and methods of use thereof

#19
20160003116
2016-01-07

Engine-exhaust-system apparatus and package-type engine electric power generator

#20
20150377110
2015-12-31

Angled and compact exhaust gas aftertreatment device

#21
20150330283
2015-11-19

Tailor to fit muffler

#22
20150260070
2015-09-17

Compact cylindrical selective catalytic reduction system for nitrogen oxide reduction in the oxygen-rich exhaust of 500 to 4500 kW internal combustion engines

#23
20150165378
2015-06-18

Exhaust treatment system having an SCR with a center inlet

#24
20150101311
2015-04-16

Exhaust mixer, emissions cleaning module and method

#25
20150086433
2015-03-26

Emissions cleaning module and associated electronics support unit

#26
20150075122
2015-03-19

Emissions cleaning module

#27
20150071838
2015-03-12

Emissions cleaning module

#28
20150071827
2015-03-12

Emissions cleaning module for an engine

#29
20150064072
2015-03-05

Emissions cleaning module

#30
20140291067
2014-10-02

Exhaust silencing device

#31
20140284138
2014-09-25

Engine muffler

#32
20140262590
2014-09-18

Passenger service vehicle

#33
20140196980
2014-07-17

Silencing apparatus for a vehicle

#34
20140144721
2014-05-29

Muffler for motor vehicle

#35
20140116801
2014-05-01

Silencer and a method for producing same

#36
20140090364
2014-04-03

Exhaust gas treatment device for use near an engine and motor vehicle having the device

#37
20140026540
2014-01-30

Compact exhaust gas treatment unit with mixing region, method for mixing an exhaust gas and vehicle

#38
20130067891
2013-03-21

Exhaust aftertreatment system

#39
20120266584
2012-10-25

EXHAUST TREATMENT SYSTEM

#40
20120210701
2012-08-23

Exhaust-gas muffler

#41
20120198838
2012-08-09

Exhaust gas treatment device for use near an engine and motor vehicle having the device

#42
20120014843
2012-01-19

Vehicle exhaust gas treatment apparatus

#43
20110219755
2011-09-15

Exhaust-gas purification system for diesel engines

#44
20110146253
2011-06-23

Exhaust system having an aftertreatment module

#45
20110146252
2011-06-23

Canister aftertreatment module

#46
20110138782
2011-06-16

Particle filter arrangement

#47
20110113759
2011-05-19

Device for the aftertreatment of exhaust gases of internal combustion engines

#48
20100196219
2010-08-05

Exhaust emission control device

#49
20100186394
2010-07-29

Exhaust gas after treatment assembly

#50
20100140014
2010-06-10

Flow Passage Control Valve for Muffler

#51
20100126799
2010-05-27

Muffler and engine exhaust apparatus

#52
20100107613
2010-05-06

Black exhaust purification apparatus for diesel engine

#53
20100095660
2010-04-22

Construction for an exhaust after treatment device

#54
20100089034
2010-04-15

Exhaust-gas aftertreatment system

#55
20090301808
2009-12-10

Muffler structure for vehicle

#56
20090229912
2009-09-17

Muffler

#57
20090165448
2009-07-02

Catalyst arrangement construction of motorcycle

#58
20090114477
2009-05-07

Exhaust system for a motorcycle, and motorcycle incorporating same

#59
20090000282
2009-01-01

Performance exhaust system

#60
20080286167
2008-11-20

Catalyst Apparatus

#61
20080264048
2008-10-30

Exhaust gas purification device for internal combustion engine

#62
20080245060
2008-10-09

Particle filter arrangement

#63
20080236941
2008-10-02

Exhaust system for saddle-ride type vehicle

#64
20080127635
2008-06-05

Exhaust emission purifying apparatus

#65
20080066451
2008-03-20

Exhaust treatment packaging apparatus, system, and method

#66
20070272480
2007-11-29

Exhaust apparatus of an internal combustion engine

#67
20070240926
2007-10-18

Exhaust device and understructure of vehicle

#68
20070227001
2007-10-04

Method of producing metal tubular member

#69
20070095606
2007-05-03

Internal combustion engine exhaust line muffler

#70
20060144585
2006-07-06

Exhaust gas heat exchanger for cogeneration system

#71
20060037814
2006-02-23

Exhaust system of internal combustion engine