ClassID:

29590

B01D47/021 - CPC Classification

Classification description:

Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath

Recent Application in this class:
#1
20260091338
2026-04-02

DEVICES, SYSTEMS AND METHODS FOR FLUX REMOVAL FROM FURNACE PROCESS GAS

#2
20250269314
2025-08-28

DUAL WASH METHOD FOR FORMING COOLED GAS

#3
20250085728
2025-03-13

GAS SHUT-OFF IN A PARTICULATE REMOVAL DEVICE AND METHOD

#4
20250010234
2025-01-09

Scrubber Device for Scrubbing Hydrocarbon Gas Stream

#5
20240198271
2024-06-20

LIQUID BATH AIR FILTER

#6
20240181379
2024-06-06

Pollutant Capturer and Mobilizer

#7
20240139667
2024-05-02

DEVICES, SYSTEMS AND METHODS FOR FLUX REMOVAL FROM FURNACE PROCESS GAS

#8
20230233883
2023-07-27

Personal protection equipment (PPE)) for air purification

#9
20230158451
2023-05-25

AUTOTHERMAL DIRECT AIR CAPTURE SYSTEM

#10
20230149841
2023-05-18

LIQUID FILTER APPARATUS WITH THERMAL SHIELD

#11
20230134370
2023-05-04

System and method of producing cooled dry gas

#12
20230083217
2023-03-16

MULTIPLE STAGE AIR PURIFICATION DEVICE

#13
20230035152
2023-02-02

GASIFICATION SYSTEM AND WASTEWATER TREATMENT METHOD

#14
20220370957
2022-11-24

Air purification system, apparatus and method

#15
20220347625
2022-11-03

Device for removing biomaterial

#16
20220347619
2022-11-03

Pollutant capturer and mobilizer

#17
20220212135
2022-07-07

Dust removal device using expansion pressure

#18
20220176303
2022-06-09

Apparatus for separating and removing dust from exhaust gas

#19
20220118463
2022-04-21

Gas shut-off in a particulate removal device and method

#20
20220088529
2022-03-24

Waste gas abatement technology for semiconductor processing

#21
20220054970
2022-02-24

Devices, systems and methods for flux removal from furnace process gas

#22
20210389001
2021-12-16

Method using spray ring in an enclosed air flow for purification

#23
20210372644
2021-12-02

Air treatment device configured for cyclone flow and water contact

#24
20210372643
2021-12-02

Method for air treatment in a moving air flow vessel

#25
20210372642
2021-12-02

Air flow vessel and spray ring air purification device

#26
20210372641
2021-12-02

Cyclonic vessel air purification and humidity device

#27
20210346836
2021-11-11

Particle-collecting device and vehicle equipped with such a device

#28
20210268319
2021-09-02

Portable air filtration and disinfection device for a respirator system

#29
20210197113
2021-07-01

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#30
20210180198
2021-06-17

System for treating hydrogen and/or oxygen gas produced by water electrolysis serving to supply a combustion process

#31
20200408427
2020-12-31

Hybrid humidity controller and air purifier

#32
20200384403
2020-12-10

Liquid filter apparatus for gas/solid separation for semiconductor processes

#33
20200356120
2020-11-12

Vapor splitter and method for adjusting vapor split ratio

#34
20200289973
2020-09-17

Pollutant capturer and mobilizer

#35
20200061518
2020-02-27

Exhaust gas purification method and system

#36
20190331354
2019-10-31

Facility for producing and treating a gas stream through a volume of liquid

#37
20190184325
2019-06-20

Method of removing impurities

#38
20190151788
2019-05-23

Filter assembly and cleaner having the same

#39
20190134553
2019-05-09

Devices, systems and methods for flux removal from furnace process gas

#40
20190060856
2019-02-28

Dust removal system for chimney of mixer

#41
20190060819
2019-02-28

Gas/Liquid Heat and Material Exchange in the Presence of Entrained Solids

#42
20180368308
2018-12-27

Emissions recycling using solubilizer equipment

#43
20180361303
2018-12-20

SCRUBBER SYSTEM WITH DIFFRACTION PLATE ADAPTED FOR SWIRL BUBBLE GENERATION FOR EFFECTIVE REMOVAL OF POLLUTANTS

#44
20180328245
2018-11-15

Multipurpose air pollution and heat reducing device

#45
20180311615
2018-11-01

Device and method for purifying exhaust gas from endothermic engines

#46
20180311606
2018-11-01

Complex malodor removing equipment

#47
20180296972
2018-10-18

Process and contactor vessel for the absorption of target gas by counter-current absorption process and fluidised bed

#48
20180272264
2018-09-27

Filtration liquid tank for dedusting device, and dedusting device with the same

#49
20180223201
2018-08-09

Gasification quench system

#50
20180223200
2018-08-09

Gasification quench system

#51
20180221806
2018-08-09

Air purification methodology and apparatus

#52
20180217618
2018-08-02

Vapor splitter and method for adjusting vapor split ratio

#53
20180169577
2018-06-21

Multi-level Gas Scrubber with Multiple Flooded Scrubber Heads

#54
20180065073
2018-03-08

PROCESS FOR MAKING SOLID PARTICLES

#55
20180044639
2018-02-15

Method and system for tissue treatment with critical/supercritical carbon dioxide

#56
20180015310
2018-01-18

Portable air purifier

#57
20170320006
2017-11-09

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#58
20170268396
2017-09-21

AIR-PURIFICATION DEVICE USING LIQUID REDUCING AGENT, AND OPERATION AND APPLICATION METHOD THEREFOR

#59
20170136398
2017-05-18

DEVICE AND METHOD FOR ABSORBING ORGANIC CONSTITUENTS IN AMBIENT AIR

#60
20170056819
2017-03-02

Air cleaning device using water as filter

#61
20160158686
2016-06-09

System for recovering and recycling acid mist generated in electrolytic cells for electrowinning or electrorefining non-ferrous

#62
20160106876
2016-04-21

Air purifier

#63
20150198072
2015-07-16

Apparatus and method for reducing air pollution from exhaust

#64
20150182902
2015-07-02

Mechanisms for air treatment system and air treatment method

#65
20150125351
2015-05-07

Device and method for heat and mass-exchange between gas and liquid

#66
20150122270
2015-05-07

Laboratory apparatus

#67
20140328739
2014-11-06

Emission control system

#68
20140245892
2014-09-04

System for trapping polluting emissions

#69
20130319238
2013-12-05

Gas Purifying Device for Energy Saving and Preventing Spraying Waste Water Indiscriminately and Method Thereof

#70
20130284027
2013-10-31

CONTAINER DATA CENTER

#71
20130247767
2013-09-26

Laboratory apparatus

#72
20130192471
2013-08-01

Apparatus for removing air contaminants

#73
20130104738
2013-05-02

Laboratory apparatus

#74
20130042756
2013-02-21

Air purifier

#75
20130037971
2013-02-14

WETTED WALL VENTURI SCRUBBER WITH A 2-STAGE VENTURI THROAT

#76
20120240766
2012-09-27

Method for filtrating gases

#77
20120222558
2012-09-06

Device for recovering nanopowders and ultrafine powders contained in a gas

#78
20110271834
2011-11-10

Range hood with liquid filter

#79
20110120948
2011-05-26

Trapping nanostructures

#80
20110120009
2011-05-26

Gasification quench chamber dip tube

#81
20110067304
2011-03-24

GASIFICATION QUENCH CHAMBER BAFFLE

#82
20110057335
2011-03-10

Wetted wall venturi scrubber with a 2-stage venturi throat

#83
20100319541
2010-12-23

Gas filtration system

#84
20100263672
2010-10-21

My personal clean air

#85
20100254869
2010-10-07

Process for removal of carbon dioxide from combustion gases

#86
20100024655
2010-02-04

Range hood with liquid filter

#87
20100024646
2010-02-04

Air Scrubber with Folded Air Flow

#88
20090235824
2009-09-24

Filtering Device To Filter The Air Taken In By A Cleaning Apparatus

#89
20090235819
2009-09-24

Kitchen hood vent and scrubber

#90
20080305257
2008-12-11

Device and Method for the Production of Stabilised Suspensions of Nanometric or Submicrometric Particles

#91
20080276801
2008-11-13

Device and method for purifying a process gas in a reflow soldering system

#92
20080271603
2008-11-06

Air purification system and method of purifying air

#93
20080173176
2008-07-24

Fluid scrubber

#94
20080135264
2008-06-12

Device for limiting the ultimate consequences of a failure to bring under control a mass fire in a storage bin for hazardous materials

#95
20080093278
2008-04-24

Fluid treatment method and apparatus

#96
20070251393
2007-11-01

Device for removing particulate, various acids, and other contaminants from industrial gases

#97
20070245722
2007-10-25

Exhaust gas cooler and particulate scrubbing system

#98
20070108131
2007-05-17

Method for purification of contaminated water

#99
20060218904
2006-10-05

Diesel emissions control system and method

#100
20060201145
2006-09-14

Low emissions diesel system and method

#101
20060194083
2006-08-31

Non-reactive fuel dissolution apparatus and fuel cell system having the same

#102
20060185518
2006-08-24

Wet type air cleaner

#103
20060107838
2006-05-25

Cleaning device for cleaning process gas of a reflow soldering system

#104
20060102003
2006-05-18

Wet type air cleaner

#105
20060102002
2006-05-18

Cleaning unit for wet type air cleaner

#106
20060102001
2006-05-18

Wet type air cleaner

#107
20060102000
2006-05-18

Wet type air cleaner

#108
20060097411
2006-05-11

Wet type air cleaner

#109
20060096461
2006-05-11

Wet type air cleaner

#110
20060096460
2006-05-11

Wet type air cleaner

#111
20060021337
2006-02-02

Diesel emissions filtering system and method

#112
20050284292
2005-12-29

Exhaust gas cooler and particulate scrubbing system

#113
20050274257
2005-12-15

Air purification

#114
20050235832
2005-10-27

DUST VACUUM SYSTEM, AND METHODS OF CONSTRUCTING AND UTILIZING SAME

#115
20050145108
2005-07-07

Air cleaning system

#116
20050098041
2005-05-12

Sucking system with water filtering

#117
20050077659
2005-04-14

Nano-powder extraction apparatus using a hollow impeller

#118
20050072299
2005-04-07

Low operating pressure gas scrubber

#119
20050046053
2005-03-03

Apparatus for removing particulates from a gas stream

#120
20050022668
2005-02-03

Method and apparatus for removing sulfur components

#121
20050016937
2005-01-27

Separator of floating components

#122
18075170
2023-09-19

Air cleaning apparatus and methods

#123
17730231
2023-08-15

Methods of conducting an environmental test

#124
16873796
2023-04-11

Environmental sampling chamber

#125
16689507
2023-03-28

Peroxycarboxylic acid scrubber assembly

#126
16444108
2019-10-01

System and method to combine a filter system with a freeze dryer to filter contamination of a vacuum pump