ClassID:

137798

F01N3/0237 - 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 using means for regenerating the filters, e.g. by burning trapped particles for regenerating ex situ

Recent Application in this class:
#1
20230347269
2023-11-02

Cleaning device and method for cleaning a filter arrangement

#2
20220356825
2022-11-10

COMPOSITION FOR CLEANING DPF FILTERS FOR DIESEL ENGINE EXHAUST GASES AND METHOD FOR CLEANING THE SAME

#3
20210205753
2021-07-08

Airborne particulate suppression system

#4
20200347762
2020-11-05

Exhaust gas purification device

#5
20190291036
2019-09-26

Filter cleaning

#6
20190053677
2019-02-21

Cleaning tool for vehicle exhaust aftertreatment device and method of using same

#7
20180128137
2018-05-10

Diesel particulate filter cleaning machine with filter cleaning time prediction

#8
20170370257
2017-12-28

APPARATUS AND METHODS FOR CLEANING AND MAINTENANCE OF DIESEL EXHAUST FILTERS AND DIESEL PARTICULATE MATTER

#9
20170211440
2017-07-27

Diesel exhaust particulate collectors

#10
20170122156
2017-05-04

Method of Cleaning Diesel Particulate Filters

#11
20170037761
2017-02-09

Modular exhaust gas treatment device for an exhaust gas system of an internal combustion engine

#12
20170036148
2017-02-09

Diesel particle filter cleaning method and apparatus

#13
20160363031
2016-12-15

Method for measuring catalytic reactivity in diagnosing a gas-permeable object, and apparatus therefor

#14
20160326926
2016-11-10

Device and method for cleaning filters, in particular particulate filters

#15
20160312675
2016-10-27

Component performance recovery via inlet and outlet swap

#16
20160194991
2016-07-07

Exhaust aftertreatment system with silica filter

#17
20160136557
2016-05-19

Filter retentate removal system and method

#18
20160047284
2016-02-18

Apparatus and Method for Preventing and Removing Carbon Deposits

#19
20160018289
2016-01-21

Testing catalytic efficiency of an exhaust component

#20
20150322566
2015-11-12

CVD system having particle separator

#21
20150211403
2015-07-30

Method and apparatus for removal of particulate material from refinery processes and power generation system

#22
20150177046
2015-06-25

Method and apparatus for measuring ash deposit levels in a particular filter

#23
20150034126
2015-02-05

Gas flow regulating for cleaning a particular filter

#24
20140322091
2014-10-30

Method and arrangement for cleaning a particle filter

#25
20140053865
2014-02-27

Exhaust component cleaning and requalification process

#26
20140026432
2014-01-30

Apparatus and method for determining ash height in a filter

#27
20130298771
2013-11-14

Method and cleaning device for cleaning and checking a particle filter

#28
20120266918
2012-10-25

METHOD FOR CLEANING OF PARTICLE FILTERS

#29
20120234169
2012-09-20

Method and apparatus for measuring ash deposit levels in a particulate filter

#30
20120111370
2012-05-10

Cleaning a vehicle exhaust filter

#31
20110146721
2011-06-23

Filter cleaning tool and method

#32
20110000199
2011-01-06

Construction machine

#33
20100307339
2010-12-09

Apparatus and method for regenerating a carbon filter

#34
20100269494
2010-10-28

Exhaust gas treatment apparatus

#35
20100236403
2010-09-23

Diesel particulate filter cleaning apparatus and method

#36
20100024407
2010-02-04

Emissions control filter assembly and system

#37
20090320880
2009-12-31

METHOD AND SYSTEM FOR CLEANING FILTERS

#38
20090044523
2009-02-19

APPARATUS FOR COMBUSTING COLLECTED DIESEL EXHAUST MATERIAL FROM AFTERTREATMENT DEVICES AND METHOD

#39
20090044375
2009-02-19

Diesel particulate filter cleaning apparatus and method

#40
20090020136
2009-01-22

System and method for cleaning a diesel particulate filter using acoustic waves

#41
20080295690
2008-12-04

Diesel particulate filter pulse cleaner flow director system and method

#42
20080216468
2008-09-11

Method and apparatus for regenerating engine exhaust filters

#43
20080178413
2008-07-31

Apparatus for cleaning exhaust aftertreatment devices and methods

#44
20080173007
2008-07-24

SYSTEM FOR REDUCING EMISSIONS GENERATED FROM DIESEL ENGINES USED IN LOW TEMPERATURE EXHAUST APPLICATIONS

#45
20080083334
2008-04-10

Method and system for removing ash from a filter

#46
20080059040
2008-03-06

System for evaluating regeneration of pollution management means integrated in a motor vehicle engine exhaust line

#47
20070256410
2007-11-08

Diesel particulate filter service method

#48
20070175183
2007-08-02

Method for cleaning a particle filter

#49
20070137150
2007-06-21

System and method for cleaning a filter

#50
20070130924
2007-06-14

System and method for regenerating a diesel particulate filter

#51
20070000520
2007-01-04

Motor vehicle with exhaust purification

#52
20060201326
2006-09-14

Apparatus for cleaning exhaust aftertreatment devices and methods

#53
20060162562
2006-07-27

Method and apparatus for regenerating engine exhaust filters

#54
20060067860
2006-03-30

Construction for an engine exhaust system component

#55
20050056008
2005-03-17

Particulate removing apparatus and diesel engine vehicle equipped with same

#56
20050042763
2005-02-24

Testing using diesel exhaust produced by a non-engine based test system

#57
19320712
2025-11-25

Hydraulic cleaning apparatus for particulate matter reduction device with rapid drying and differential pressure measurement capability