F01N3/032 - CPC Classification Index

ClassID:

137810 ⎘

F01N3/032 - 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 having means for by-passing filters, e.g. when clogged or during cold engine start during filter regeneration only

Recent Application in this class:

20220213822

2022-07-07

Systems and methods for dynamic control of filtration efficiency and fuel economy

20220034245

2022-02-03

Systems and methods for dynamic control of filtration efficiency and fuel economy

20180163587

2018-06-14

Siloxane removal system and media regeneration methods

20170335738

2017-11-23

Dual catalytic converter exhaust-gas aftertreatment arrangement

20170216771

2017-08-03

Method for cleaning process off- or engine exhaust gas

20170211441

2017-07-27

METHOD AND SYSTEM FOR THE REMOVAL OF PARTICULATE MATTER AND HEAVY METALS FROM ENGINE EXHAUST GAS

20170167334

2017-06-15

Siloxane removal system and media regeneration methods

20150315986

2015-11-05

Natural gas engine and operation method for natural gas engine

20150260063

2015-09-17

SAFETY DEVICE FOR PREVENTING WORKING-APPARATUS OPERATION DURING REGENERATION OF FORKLIFT-TRUCK DIESEL-EXHAUST GAS AFTER-TREATMENT DEVICE

#10

20150143994

2015-05-28

Particulate filtering apparatus for marine diesel engines and method of operation and regeneration of said apparatus

#11

20120102931

2012-05-03

High volume exhaust gas treatment system

#12

20120031083

2012-02-09

APPARATUS FOR TREATING DIESEL ENGINE EXHAUST GAS

#13

20110173953

2011-07-21

System and method for regenerating an engine exhaust after-treatment device

#14

20110126524

2011-06-02

Engine exhaust system having a plurality of diesel particulate filters

#15

20110041483

2011-02-24

METHOD OF CONTROLLING FUEL IN AN EXHAUST TREATMENT SYSTEM IMPLEMENTING TEMPORARY ENGINE CONTROL

#16

20100199839

2010-08-12

Particulate matter retaining and purging system

#17

20100146946

2010-06-17

DEVICE FOR USE IN EXHAUST AFTERTREATMENT SYSTEM

#18

20100146945

2010-06-17

Exhaust purification system for internal combustion engine

#19

20090308060

2009-12-17

Process for purifying exhaust gases and apparatus for purifying exhaust gases

#20

20090205323

2009-08-20

Exhaust gas purification system for internal combustion engine

#21

20090019844

2009-01-22

Exhaust gas purification system utilizing ozone

#22

20090019839

2009-01-22

Diesel particulate filter regeneration system

#23

20090013674

2009-01-15

Exhaust gas purifier

#24

20080028754

2008-02-07

METHODS AND APPARATUS FOR OPERATING AN EMISSION ABATEMENT ASSEMBLY

#25

20070294997

2007-12-27

Particle filter regeneration method with catalytic combustion device and filtration installation using such a method

#26

20070175203

2007-08-02

Method and system of directing exhaust gas

#27

20070137150

2007-06-21

System and method for cleaning a filter

#28

20060191412

2006-08-31

Filter service system and method

#29

20060168950

2006-08-03

Combination emission abatement assembly and method of operarting the same

#30

20060075744

2006-04-13

Apparatus and method for regenerating a particulate filter of an exhaust system of an internal combustion engine

#31

20060059896

2006-03-23

Internal combustion engine exhaust treatment having a single valve directing exhaust to dual NOx traps

#32

20060021507

2006-02-02

Particulate trap with selective blocking element

#33

20050138920

2005-06-30

Particulate trap

#34

20050132696

2005-06-23

Method and apparatus for regenerating a nitrogen oxides absorber

#35

20050072140

2005-04-07

Apparatus and method for operating a fuel reformer to regenerate a DPNR device