ClassID:

29523

B01D46/2407 - 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 Filter candles

Recent Application in this class:
#1
20260042076
2026-02-12

IN-SITU HOT FILTRATION FOR GAS-SOLID-SEPARATION IN CARBIDE-DERIVED CARBON PRODUCTION

#2
20250361449
2025-11-27

PARTICULATE REMOVAL SYSTEM FOR USE IN HYDROPROCESSING

#3
20250360447
2025-11-27

FIBERBED MIST COLLECTOR WITH IMPROVED FILTERING

#4
20250332534
2025-10-30

FIBER BED FILTER AND MIST ELIMINATOR SYSTEM WITH EHNANCED DRAINAGE

#5
20250256255
2025-08-14

SYSTEM FOR THE NEUTRAL/NEGATIVE CO2 PRODUCTION OF SYNGAS FROM SOLID FUELS WITH HIGH HYDROGEN CONTENT FOR USES AT HIGH TEMPERATURE

#6
20250144554
2025-05-08

AIR FILTRATION ASSEMBLY

#7
20240383749
2024-11-21

Synthesis gas production by reverse water gas shift reaction using carbon dioxide and pyrolysis-derived hydrogen

#8
20240226785
2024-07-11

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#9
20240131458
2024-04-25

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#10
20230277968
2023-09-07

FILTER CANDLE HAVING A CONCENTRATION GRADIENT OF CATALYST METALS, METHOD FOR PRODUCTION THEREOF AND USE THEREOF IN AN EXHAUST GAS CLEANING METHOD

#11
20230257921
2023-08-17

Apparatus and process for producing a nonwoven fabric

#12
20230226479
2023-07-20

CANDLE FILTER ELEMENT

#13
20230090236
2023-03-23

VACUUM FORMED PARTS WITH CATALYTIC ENHANCEMENT

#14
20230072328
2023-03-09

Vacuum filter assembly for processing bulk granular material and filter mounting assembly therefore

#15
20220305419
2022-09-29

MODULAR FILTER ELEMENT FOR HOT GAS FILTRATION

#16
20220176288
2022-06-09

FILTER TUBE HOLDING GROMMET FOR FILTRATION SYSTEM

#17
20220134268
2022-05-05

MODULAR FILTER ELEMENT AND COUPLING

#18
20220105456
2022-04-07

Devices, systems and methods for a filter

#19
20220088511
2022-03-24

BRANCHED FILTER AND METHOD OF USE

#20
20210379521
2021-12-09

Filter candle

#21
20210362083
2021-11-25

Method and apparatus for joining together modular candle filters

#22
20210340451
2021-11-04

Method for gasifying carbon-containing material

#23
20210268419
2021-09-02

MODULAR FILTER ELEMENT

#24
20210245085
2021-08-12

Modular filter element

#25
20210101114
2021-04-08

Method and system for the removal of particulate matter and noxious compounds from flue-gas using a ceramic filter with an SCR catalyst

#26
20210086126
2021-03-25

Powder container

#27
20200188829
2020-06-18

Coalescence filter

#28
20200061513
2020-02-27

Apparatus and method for cleaning a stream

#29
20190366254
2019-12-05

Product gas filter

#30
20190134551
2019-05-09

Filter element for filtration of exhaust gases or process gases and method for manufacturing such filter element

#31
20190083936
2019-03-21

Disposable filtration device

#32
20190022582
2019-01-24

CATALYTICALLY ACTIVE FILTER FOR USE IN HOT GAS FILTRATION, A PROCESS FOR PREPARING THE FILTER AND A METHOD FOR SIMULTANEOUS REMOVAL OF SOLID PARTICLES AND UNDESIRED CHEMICAL COMPOUNDS FROM GAS STREAMS

#33
20190001241
2019-01-03

NON-WELDED FILTER

#34
20180361298
2018-12-20

Air filter cartridge with internal structure

#35
20180361297
2018-12-20

System and method for filtering a gas-solids mixture

#36
20180050294
2018-02-22

Filter cartridge and filter cartridge arrangement

#37
20170369801
2017-12-28

Method and apparatus for gasifying carbon-containing material

#38
20170341004
2017-11-30

FILTER ELEMENT AND METHOD FOR MAKING THE SAME

#39
20170333819
2017-11-23

FILTER CANDLE WITH MINERAL ADDITIVE

#40
20170320013
2017-11-09

CATALYZED FILTRATION MEDIA WITH HIGH SURFACE AREA MATERIAL AND METHOD FOR MAKING THE SAME

#41
20170319998
2017-11-09

Filter group of air directed to an air aspiration intake of an internal combustion engine

#42
20170312675
2017-11-02

Filter element

#43
20170239618
2017-08-24

A PROCESS FOR THE OXIDATION OF HYDROGEN SULFIDE TO SULFUR TRIOXIDE WITH SUBSEQUENT SULFUR REMOVAL AND A PLANT FOR CARRYING OUT THE PROCESS

#44
20170165607
2017-06-15

METHODS AND APPARATUS TO TREAT EXHAUST STREAMS

#45
20160038862
2016-02-11

Multi-cartridge filter adapter and interface system and method

#46
20150265960
2015-09-24

Filtering unit

#47
20150190746
2015-07-09

Anti-clogging filter system

#48
20150182897
2015-07-02

Filter tube for high temperature gas-solid separation

#49
20150165360
2015-06-18

Self-oscillating nozzle and pulse-jet cleaning system with the same

#50
20150060351
2015-03-05

Filter system with seal

#51
20140373715
2014-12-25

Process and system for separating finely aerosolized elemental mercury from gaseous streams

#52
20140230651
2014-08-21

Hot gas filtration system

#53
20140169939
2014-06-19

Air filter attachment for side channel compressor

#54
20140151282
2014-06-05

Method of securing filter elements

#55
20140130673
2014-05-15

Purification arrangements and methods for gas pipeline systems

#56
20140130672
2014-05-15

Purification arrangements and methods for gas pipeline systems

#57
20140130666
2014-05-15

Purification arrangements and methods for gas pipeline systems

#58
20140090342
2014-04-03

Filter inlet

#59
20130220132
2013-08-29

Door assembly for dust-collecting apparatus

#60
20130220125
2013-08-29

Hot gas filtration system and process for regenerating said system

#61
20130219841
2013-08-29

Dust-collecting systems and apparatuses

#62
20130068097
2013-03-21

Anti-clogging filter system

#63
20130034477
2013-02-07

Catalytic filter system

#64
20120210687
2012-08-23

Filter for internal combustion engines

#65
20120186452
2012-07-26

Multiple Layer HEPA Filter and Method of Manufacture

#66
20120137890
2012-06-07

Dust-removing method

#67
20120124961
2012-05-24

Filter cartridge assembly for use with turbine engine systems

#68
20120104748
2012-05-03

Venturi adapter

#69
20120012003
2012-01-19

Vessel for removing solid particles from gases

#70
20110315015
2011-12-29

System and method for removal of particulate matter from a filter media

#71
20110252757
2011-10-20

HELICAL STRAPPING METHOD FOR HIGH TEMP PLEATED FILTERS

#72
20110229276
2011-09-22

METHOD AND APPARATUS FOR SEPARATING PARTICULATE SOLIDS FROM A GAS STREAM

#73
20110214485
2011-09-08

Method and apparatus for carrying out integrity tests of a non-wetted filter element

#74
20110209612
2011-09-01

UTILIZATION OF POWDERED SORBENT FOR MERCURY CONTROL FROM COAL-FIRED POWER PLANTS

#75
20110192126
2011-08-11

Filter arrangement

#76
20110192125
2011-08-11

Pleatable PTFE filter media with ePTFE membrane

#77
20110058990
2011-03-10

Ceramic filter element

#78
20110005913
2011-01-13

Pyrolytic gas generator

#79
20100263387
2010-10-21

Air filtration sampling point adaptor

#80
20100236199
2010-09-23

Dust collector

#81
20100223848
2010-09-09

Gasification apparatus and method for generating syngas from gasifiable feedstock material

#82
20100126350
2010-05-27

Filter apparatus and method

#83
20100111790
2010-05-06

System and method for the processing and incineration of diesel exhaust particulate matter

#84
20100077709
2010-04-01

FILTER INLET

#85
20100072145
2010-03-25

MEMBRANE TABS

#86
20100071322
2010-03-25

Twist and lock connection for pleated filter element

#87
20100050580
2010-03-04

Apparatus for filtering gases and method of manufacturing same

#88
20100000187
2010-01-07

ASSEMBLY OF CERAMIC FILTER AND METHOD OF ASSEMBLING THE SAME

#89
20090277325
2009-11-12

Electrostatic particulate separation for emission treatment systems

#90
20090158926
2009-06-25

Systems and methods for removal of particulate matter in a filtration system

#91
20090107090
2009-04-30

Quick Connect Air Fitting with Integral Filter

#92
20090049989
2009-02-26

WELDING SMOG DISPOSING MACHINE

#93
20090017735
2009-01-15

Device for polishing hard surfaces, especially glass surfaces

#94
20080314012
2008-12-25

Filter Elements

#95
20080271607
2008-11-06

Plenum based high pressure blowback gas delivery system in a continuous process flow filtration system

#96
20080173174
2008-07-24

Continuous pressure letdown system

#97
20080127824
2008-06-05

Method for regenerating filter and apparatus thereof

#98
20080118410
2008-05-22

Exhaust Gas Cleaner

#99
20080029453
2008-02-07

Filter Element

#100
20070215535
2007-09-20

Quick-change filter and bracket system

#101
20070175328
2007-08-02

Jet pulse chamber venturi dust collector

#102
20070095746
2007-05-03

Filter element seal structure and mounting method

#103
20070084162
2007-04-19

Apparatus for cleaning air

#104
20070031304
2007-02-08

Filter candle

#105
20070028572
2007-02-08

Filter

#106
20060249023
2006-11-09

Filtering particulate materials in continuous emission monitoring systems

#107
20060174768
2006-08-10

Apparatus and method for the removal of particulate matter in a filtration system

#108
20060090651
2006-05-04

Multi-channel cross-flow porous device

#109
20060075726
2006-04-13

Nozzle and filter-type dust collector

#110
20060032201
2006-02-16

Air-purifying device

#111
20050178097
2005-08-18

Filter mounting system

#112
20050172810
2005-08-11

Filter element and mounting method

#113
20050172590
2005-08-11

Filter element and mounting method

#114
20050160707
2005-07-28

Filter assembly comprising filter elements and a filter grid

#115
20050081494
2005-04-21

Efficiently regenerated particle trap for an internal combustion engine and method of operating same

#116
20050044827
2005-03-03

Filter element with a drainage tube

#117
20050011822
2005-01-20

Quick-change filter and bracket system

#118
17564228
2023-04-25

Device and method of simultaneously removing flammable gases and nitrous oxide