ClassID:

29550

B01D46/30 - 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 loose filtering material

Sub-classes:
Recent Application in this class:
#1
20260034494
2026-02-05

AIR COMPRESSOR FILTER

#2
20260007991
2026-01-08

MOISTURE CENTRIFUGE DRYER

#3
20250296020
2025-09-25

MODULAR FILTER SYSTEM

#4
20250214020
2025-07-03

POROUS MEMBER CONTAINING CERAMIC PARTICLES AND METHOD FOR PRODUCING SAME

#5
20250170515
2025-05-29

AIR PURIFIER

#6
20250041799
2025-02-06

FILTER MATERIAL AND USE THEREOF

#7
20240408521
2024-12-12

ARTICLE FOR FILTERING USING POROUS POLYMERIC MATRIX

#8
20240367084
2024-11-07

FILTER FOR AN AUTOCLAVE

#9
20240360373
2024-10-31

METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS AND SOLID COKE FROM WASTE PLASTICS

#10
20240352331
2024-10-24

METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS AND SOLID COKE FROM WASTE PLASTICS

#11
20240269600
2024-08-15

FLEXIBLE AIR FILTER ELEMENT

#12
20240252968
2024-08-01

SORPTION FILTER CARTRIDGE AND SORPTION FILTER ELEMENT

#13
20240124781
2024-04-18

HORIZONTAL ROTATING DRUM RETORT, DISTILLATION COLUMN, AND DISTILLATION SYSTEM

#14
20240100464
2024-03-28

AIR FILTER AND AIR PURIFIER COMPRISING SAME

#15
20240035722
2024-02-01

OIL SEPARATOR FOR COMPRESSOR AND COMPRESSOR FOR CRYOGENIC REFRIGERATOR

#16
20230233975
2023-07-27

AEROSOL OR VAPOR TRAP FOR ELEMENTAL IMPURITIES EMISSION ANALYSIS OF HIGH VISCOSITY MATRICES USED IN NON-BURNING VAPORIZATION DEVICES

#17
20220410055
2022-12-29

FILTERING DEVICE, GENERATOR AND WIND TURBINE GENERATOR SYSTEM

#18
20220233986
2022-07-28

HIGH-EFFICIENCY PARTICULATE AIR FILTER ASSEMBLY

#19
20220193591
2022-06-23

Filter mesh frame, filter mesh structure, and usage thereof

#20
20220054967
2022-02-24

POWDER BED FUSION APPARATUS AND METHODS

#21
20220049163
2022-02-17

Horizontal rotating drum retort, distillation column, and distillation system

#22
20220008843
2022-01-13

Monolithic assembly integrating open cell structure with retaining partition

#23
20210220768
2021-07-22

Vent filter and pure liquid storage tank

#24
20210069743
2021-03-11

METHODS FOR REMOVING OVERSPRAY FROM AIR FLOW EXITING PAINTING BOOTHS

#25
20210069625
2021-03-11

Draining and sealing device for mist eliminators

#26
20200384399
2020-12-10

Helical flow filter

#27
20200384045
2020-12-10

Rotary separation apparatus and process

#28
20200305507
2020-10-01

E-cigarette with valve allowing exhale filter

#29
20200282355
2020-09-10

Flux recovery device, soldering device and method for removing flux

#30
20190247785
2019-08-15

Centrifugal air separators

#31
20190111375
2019-04-18

Server dust collector

#32
20190111372
2019-04-18

Removable basket for catalytic reactor

#33
20190083558
2019-03-21

Rotary separation apparatus and process

#34
20180361419
2018-12-20

Painting booths comprising painting chambers and overspray removal units

#35
20180339242
2018-11-29

Heat treatment furnace device and method for producing carbon fiber bundle

#36
20180326236
2018-11-15

SPARK ARRESTOR

#37
20180280848
2018-10-04

Filter, filter device, and method of use

#38
20180147524
2018-05-31

Purification column

#39
20180085702
2018-03-29

Apparatus for removing oil and moisture from a gas

#40
20180008656
2018-01-11

Horizontal axis rotary separation apparatus and process

#41
20180001119
2018-01-04

FILTER FOR RESPIRATOR MASK OR OTHER FILTERING APPLICATIONS

#42
20170304757
2017-10-26

PORTABLE INDUSTRIAL AIR FILTRATION DEVICE

#43
20170274309
2017-09-28

Mechanical system to capture and transform contaminant gases, and method to purify air

#44
20170245545
2017-08-31

FILTERING PIPE SMOKE

#45
20170165604
2017-06-15

Centrifugal air separators

#46
20170151523
2017-06-01

Dust filter mounted in semiconductor waste gas treatment equipment

#47
20160360745
2016-12-15

Compositions for Purification

#48
20160325211
2016-11-10

Modular filter capsule apparatus

#49
20160279552
2016-09-29

Centrifugal air separators

#50
20160270446
2016-09-22

E-cigarette with valve allowing exhale filter

#51
20160256800
2016-09-08

Multiple rate filter underdrain lateral gas metering plate

#52
20160194991
2016-07-07

Exhaust aftertreatment system with silica filter

#53
20160160716
2016-06-09

Oil separator

#54
20160129383
2016-05-12

Filter element, particularly air filter element, and filter system having a filter element

#55
20160096136
2016-04-07

Gas separation cartridge

#56
20160096133
2016-04-07

Filter media support core

#57
20160032352
2016-02-04

Composition, device, and method for biological air sampling

#58
20160030871
2016-02-04

FILTER WITH MAGNETIC SEAL

#59
20150354872
2015-12-10

Air conditioner with selective filtering for air purification

#60
20150354871
2015-12-10

Air Conditioner with selective filtering for air purification

#61
20150354838
2015-12-10

Air conditioner with selectable supplemental compressor cooling

#62
20150321132
2015-11-12

Apparatus and Method for Sintered Glass Media Biofilter

#63
20150292092
2015-10-15

Gas generation device

#64
20150275738
2015-10-01

Method and system for leak detection at a particulate filter

#65
20150273379
2015-10-01

Vent filter

#66
20150209711
2015-07-30

Purification column

#67
20150208515
2015-07-23

Flux management system and method for a wave solder machine

#68
20150157973
2015-06-11

Filtration device and method

#69
20150101970
2015-04-16

Modular filter capsule apparatus

#70
20140260996
2014-09-18

Portable industrial air filtration device

#71
20140260994
2014-09-18

Portable industrial air filtration device

#72
20140096683
2014-04-10

Fiber bed assembly including a re-entrainment control device for a fiber bed mist eliminator

#73
20140041347
2014-02-13

Method and apparatus for addressing blow-back when hydrogen generators are attached to combustion engines to enhance performance

#74
20130318935
2013-12-05

Biofilter

#75
20130273520
2013-10-17

Composition, device, and method for biological air sampling

#76
20120282146
2012-11-08

Filtering device

#77
20120267311
2012-10-25

Filtering machine

#78
20120125040
2012-05-24

OIL SEPARATOR

#79
20120118158
2012-05-17

Contaminant control filter with fill port

#80
20120023878
2012-02-02

Apparatus for treating crankcase gases from engines

#81
20110209617
2011-09-01

FILTER FOR EXHAUST AIR BOX AND A METHOD FOR CLEANING USED FILTER MATERIAL

#82
20110140294
2011-06-16

Sulphur Granulation Apparatus and Process

#83
20110126713
2011-06-02

Air filtration device

#84
20100281834
2010-11-11

Filtration heat transfer system

#85
20100263342
2010-10-21

Continuous fine ash depressurization system

#86
20100180856
2010-07-22

Air filter device

#87
20100071554
2010-03-25

Aerogel-based filtration of gas phase systems

#88
20100051388
2010-03-04

Apparatus for treating crankcase gases from engines

#89
20090293719
2009-12-03

Fractal structured nanoagglomerates as filter media

#90
20090275112
2009-11-05

NUTRIENT ADDITIVES FOR START-UP AND SUSTAINED OPERATION OF A BIOLOGICAL FILTER APPARATUS

#91
20090263296
2009-10-22

CATALYST WITH BIOREACTOR FOR COMBUSTION ENGINES

#92
20090025561
2009-01-29

Contaminant control filter with fill port

#93
20080302073
2008-12-11

Can-filter structure of oxygen concentrator

#94
20080276581
2008-11-13

Removable verticle media insert system for air treatment

#95
20080227181
2008-09-18

System and process for treating waste gas employing bio-treatment technology

#96
20080155946
2008-07-03

Gas filtering-buffering device

#97
20080148941
2008-06-26

Iodinated anion exchange resin and process for preparing same

#98
20080115670
2008-05-22

Air filter with partial-depth, open-cell stabilizer to reduce detrimental shifting and settling of granular filter materials within the filter

#99
20080085547
2008-04-10

Biofilter media and systems and methods of using same to remove odour causing compounds from waste gas streams

#100
20080011662
2008-01-17

Compositions and methods for fluid purification

#101
20070246419
2007-10-25

Compositions and methods for fluid purification

#102
20070169448
2007-07-26

Filter cassette

#103
20070166463
2007-07-19

Paint spray booth

#104
20070095036
2007-05-03

Apparatus and method for filtering particulate from high temperature gas streams using a composite filter.

#105
20070012004
2007-01-18

Media holding module

#106
20060260286
2006-11-23

Spark arrestor

#107
20060254426
2006-11-16

High temperature nanofilter, system and method

#108
20060199507
2006-09-07

Filter

#109
20060196157
2006-09-07

Conformal filter cartridges and methods

#110
20060175262
2006-08-10

Method of operating a fluid treatment device employing a non-bonded media

#111
20060117729
2006-06-08

Microbicidal air filter

#112
20050045039
2005-03-03

Reactive gas filter

#113
20050016376
2005-01-27

Filtration media

#114
20050002833
2005-01-06

Filtration media

#115
18471093
2024-06-18

Filter assembly for air moving system

#116
13731478
2016-12-06

Method and apparatus for uniformity of spills from fluid-entry faces of a panel bed