ClassID:

137812

F01N3/0335 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with exhaust silencers in a single housing

Recent Application in this class:
#1
20260146552
2026-05-28

MULTI-STAGE EMISSION SYSTEM FOR LARGE DISPLACEMENT COMPRESSION IGNITION NON-ROAD DIESEL GENERATOR SYSTEMS FOR EMERGENCY AND NON-EMERGENCY STATIONARY POWER APPLICATIONS

#2
20240077012
2024-03-07

Compact exhaust gas treatment system with serviceable filter

#3
20240044272
2024-02-08

Configurable aftertreatment systems including a housing

#4
20230123437
2023-04-20

Configurable aftertreatment systems including a housing

#5
20220356823
2022-11-10

After-market replacement kit to temporarily bypass a vehicle's muffler silencer resonators to improve exhaust sound, performance, fuel economy and other characteristics

#6
20210262374
2021-08-26

ACOUSTIC VOLUME AND INSULATION IN HOT-END OF EXHAUST SYSTEMS

#7
20200173320
2020-06-04

ACOUSTIC VOLUME IN HOT-END OF EXHAUST SYSTEMS

#8
20190093528
2019-03-28

Method and apparatus to enable package space reduction in a vehicle exhaust system

#9
20190010843
2019-01-10

Exhaust gas purification system of working machine

#10
20170276043
2017-09-28

Exhaust after-treatment assembly for engine system

#11
20170157562
2017-06-08

Catalyzed particulate filter

#12
20170122160
2017-05-04

Muffler integrated type gasoline particulate filter

#13
20170030238
2017-02-02

Angled sensor mount for use with a single module aftertreatment system or the like

#14
20170009622
2017-01-12

Particulate filter for a motor vehicle

#15
20150107458
2015-04-23

Particle filter

#16
20140348715
2014-11-27

Exhaust treatment device

#17
20140322091
2014-10-30

Method and arrangement for cleaning a particle filter

#18
20140298782
2014-10-09

Arrangement for fitting an exhaust cleaning unit in an exhaust passage

#19
20140174057
2014-06-26

Exhaust gas aftertreatment module

#20
20130086890
2013-04-11

Exhaust gas purification system

#21
20120103719
2012-05-03

Exhaust filter

#22
20120031699
2012-02-09

Diesel silencer capable of Tier 3 or Tier 4 operation

#23
20110315130
2011-12-29

Arrangement for cooling of recirculating exhaust gases of a combustion engine

#24
20110180344
2011-07-28

Travel vehicle-mounted engine device

#25
20110167808
2011-07-14

Engine with exhaust gas treatment apparatus

#26
20110167807
2011-07-14

Exhaust gas purifying device

#27
20110167775
2011-07-14

Exhaust gas purifying device

#28
20110162358
2011-07-07

Exhaust gas purification system for diesel engines of utility motor vehicles

#29
20110154810
2011-06-30

Engine device

#30
20110154809
2011-06-30

Engine device

#31
20110023472
2011-02-03

Exhaust gas treatment device

#32
20100307134
2010-12-09

Device and method for the reduction of emissions

#33
20100269494
2010-10-28

Exhaust gas treatment apparatus

#34
20100242451
2010-09-30

Exhaust gas-treating device

#35
20100199843
2010-08-12

IMPACT DIESEL PARTICULATE FILTER

#36
20100107613
2010-05-06

Black exhaust purification apparatus for diesel engine

#37
20100061898
2010-03-11

Exhaust gas retreatment device

#38
20090272106
2009-11-05

Exhaust gas treatment unit

#39
20090263296
2009-10-22

CATALYST WITH BIOREACTOR FOR COMBUSTION ENGINES

#40
20090223205
2009-09-10

Air handling system with after-treatment

#41
20090007551
2009-01-08

Exhaust Gas Aftertreatment System

#42
20080282690
2008-11-20

Rain hat for heavy construction equipment

#43
20080229734
2008-09-25

System for Purifying the Exhaust Gases Emitted by Internal Combustion Engines

#44
20080229732
2008-09-25

Exhaust emission control device

#45
20080066446
2008-03-20

Impact diesel particulate filter

#46
20080053068
2008-03-06

Device & Method for the Reduction of Emissions

#47
20070289294
2007-12-20

Exhaust gas aftertreatment device for an internal combustion engine

#48
20070144126
2007-06-28

Exhaust emission control device

#49
20070137188
2007-06-21

Exhaust emission control device

#50
20070119155
2007-05-31

Support structure for muffler

#51
20060191255
2006-08-31

Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle

#52
20060185348
2006-08-24

Device for purifying exhaust gases

#53
20060156712
2006-07-20

Exhaust gas treatment system

#54
20060150810
2006-07-13

Gas cleaning devices

#55
20060021507
2006-02-02

Particulate trap with selective blocking element

#56
20050247051
2005-11-10

Exhaust treatment control system for an internal combustion engine

#57
20050150717
2005-07-14

Silencer for pneumatic machines

#58
20050126135
2005-06-16

Gas flow arrangement apparatus and to apparatus for removing pollutants from gas streams

#59
20050077104
2005-04-14

Serviceable muffler