ClassID:

137781

F01N3/0212 - 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 with one or more perforated tubes surrounded by filtering material, e.g. filter candles

Recent Application in this class:
#1
20210131329
2021-05-06

Systems and methods for controlling flow distribution in an aftertreatment system

#2
20170028544
2017-02-02

Muffler for pneumatic power tool and pneumatic power tool incorporating the same

#3
20170016367
2017-01-19

Glass catalyst compositions for improved hydrothermal durability

#4
20120110983
2012-05-10

DIESEL EXHAUST TREATMENT APPARATUS

#5
20120031083
2012-02-09

APPARATUS FOR TREATING DIESEL ENGINE EXHAUST GAS

#6
20110192142
2011-08-11

FILTRATION DEVICE FOR EXHAUST GASES

#7
20110120101
2011-05-26

FILTER FOR VEHICLE EXHAUST SYSTEM

#8
20110113755
2011-05-19

Filter device for filtering automobile exhaust gas

#9
20110058990
2011-03-10

Ceramic filter element

#10
20100180560
2010-07-22

Device for Exhaust Gas Aftertreatment

#11
20100132343
2010-06-03

Filter device for reducing automobile exhaust fume

#12
20090272263
2009-11-05

Electrically regenerated exhaust particulate filter having non-axial regeneration flame propagation

#13
20090133382
2009-05-28

Electrically regenerated exhaust particulate filter for an engine system and operating strategy therefor

#14
20080236119
2008-10-02

Exhaust gas particulate filter for a machine and filter cartridge therefor

#15
20080236118
2008-10-02

Exhaust particulate filter for a machine engine system and assembly method therefor

#16
20080209872
2008-09-04

Filtering device for diesel engine exhaust gas

#17
20070137188
2007-06-21

Exhaust emission control device

#18
20070031304
2007-02-08

Filter candle

#19
20060188422
2006-08-24

Device for purifying motor vehicle exhaust gases

#20
20050262817
2005-12-01

Apparatus for removing fine particles in exhaust gas

#21
20050178111
2005-08-18

Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method

#22
20050016137
2005-01-27

Filter control apparatus