ClassID:

29527

B01D46/2422 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element; Honeycomb filters Mounting of the body within a housing

Recent Application in this class:
#1
20250387744
2025-12-25

REACTOR AND GAS RECOVERY DEVICE

#2
20230067514
2023-03-02

Activated carbon air filter

#3
20220003716
2022-01-06

ULTRASONIC INSPECTION FOR CERAMIC STRUCTURES

#4
20200309002
2020-10-01

Particulate filter and canning structure

#5
20200306694
2020-10-01

Catalysed filter system for treating particulate-containing exhaust gas from stationary emission sources

#6
20200230587
2020-07-23

Ceramic honeycomb bodies and method for canning thereof

#7
20200088077
2020-03-19

SILENCER FOR AN EXHAUST GAS SYSTEM OF A MOTOR VEHICLE AND MOTOR VEHICLE WITH A SILENCER

#8
20190262757
2019-08-29

Particulate filter for an internal combustion engine and method for producing such a particulate filter

#9
20190224605
2019-07-25

Side-covered axial flow filter

#10
20190120105
2019-04-25

Exhaust purifying device for internal combustion engine

#11
20190078477
2019-03-14

Exhaust gas purifying device of internal combustion engine

#12
20180353892
2018-12-13

HONEYCOMB BODY THERMAL BARRIER, EXHAUST GAS TREATMENT ARTICLE, EXHAUST SYSTEM, AND METHODS OF MANUFACTURING SAME

#13
20180003094
2018-01-04

Exhaust gas purifying device of internal-combustion engine, and method of manufacturing same

#14
20170369218
2017-12-28

Honeycomb assembly and packaging system

#15
20170348455
2017-12-07

Air cleaner

#16
20170082005
2017-03-23

Exhaust gas purifying device

#17
20170065920
2017-03-09

Exhaust gas treating device and manufacturing method of honeycomb structure

#18
20170065918
2017-03-09

Exhaust gas treating device, temperature raising method of catalyst, regeneration method of honeycomb structure, and ash removing method

#19
20140260219
2014-09-18

Process for producing a diffusion barrier layer and process for producing an exhaust gas treatment unit

#20
20140178260
2014-06-26

Conical substrate

#21
20140090561
2014-04-03

Ventilation member

#22
20140033666
2014-02-06

Filtering device, in particular air filter

#23
20130152526
2013-06-20

Filter insert and filter device

#24
20120198802
2012-08-09

Filter device and main filter element for a filter device

#25
20120135205
2012-05-31

Pollution control device and inorganic fiber sheet material with a fused edge

#26
20110167806
2011-07-14

PARTICLE FILTER DEVICES

#27
20110123417
2011-05-26

Exhaust gas treatment device

#28
20110099960
2011-05-05

Filter Insert and Filter Device

#29
20110023430
2011-02-03

Multiple layer substrate support and exhaust gas treatment device

#30
20100288704
2010-11-18

Flow-Through Substrate Assemblies and Methods for Making and Using Said Assemblies

#31
20100132321
2010-06-03

Filter arrangements; side-entry housings; and methods

#32
20100124519
2010-05-20

Particulate filter and method of making

#33
20090235652
2009-09-24

EXHAUST GAS PURIFICATION APPARATUS

#34
20090208384
2009-08-20

Pollution control device and inorganic fiber sheet material with a fused edge

#35
20090188219
2009-07-30

Air cleaner element

#36
20090162256
2009-06-25

Exhaust gas treatment device

#37
20090084078
2009-04-02

Ventilation member

#38
20090060802
2009-03-05

Exhaust gas treatment device

#39
20090060800
2009-03-05

Substrate mounting system

#40
20090011176
2009-01-08

Honeycomb structure and method of manufacturing the same

#41
20090004431
2009-01-01

HONEYCOMB STRUCTURAL BODY AND EXHAUST GAS PURIFYING DEVICE

#42
20080242535
2008-10-02

Honeycomb Structural Body and Method of Fabricating the Same

#43
20080138568
2008-06-12

Bonding material composition and method for manufacturing the same, and joined body and method for manufacturing the same

#44
20080083201
2008-04-10

Honeycomb filter

#45
20080014404
2008-01-17

SINTERED BODY WITH SPACERS, AND PRODUCTION METHOD AND BONDING METHOD FOR THE SAME

#46
20070292318
2007-12-20

Holding sealer, exhaust gas processing device and manufacturing method of the same

#47
20070218249
2007-09-20

Honeycomb structure

#48
20070175194
2007-08-02

Filter arrangements; side-entry housings; and methods

#49
20070068128
2007-03-29

Honeycomb structure and manufacturing method for honeycomb structure

#50
20070006458
2007-01-11

Exhaust treatment device, a diesel particulate filter, and method of making the same

#51
20060292334
2006-12-28

Honeycomb structure

#52
20060257298
2006-11-16

Mounting mat for a catalytic converter

#53
20060245986
2006-11-02

Exhaust system with spin-capture retention of aftertreatment element

#54
20060213163
2006-09-28

Ceramic filter for exhaust gas emission control

#55
20060191244
2006-08-31

Filtration structure for the exhaust gas from an internal combustion engine

#56
20060130659
2006-06-22

Air filter system

#57
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#58
20060070357
2006-04-06

Exhaust aftertreatment filter with residual stress control

#59
20060008395
2006-01-12

Exhaust gas treatment device and method for making the same

#60
20050272602
2005-12-08

Honeycomb structural body and exhaust gas purifying device

#61
20050160710
2005-07-28

Honeycomb filter for exhaust gas decontamination and exhaust gas decontamination apparatus