ClassID:

29692

B01D53/44 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases; Removing components of undefined structure Organic components

Recent Application in this class:
#1
20260102800
2026-04-16

MICROWAVE DESORPTION SYSTEM FOR SOIL

#2
20250354687
2025-11-20

THERMAL OXIDIZATION SYSTEMS AND METHODS WITH GREENHOUSE GAS CAPTURE

#3
20250295828
2025-09-25

COAXIAL TUBULAR FLUID TREATMENT DEVICE AND SYSTEM

#4
20250249438
2025-08-07

PHOTOCATALYST, METHOD OF PREPARING THE SAME, AND CATALYST FILTER AND AIR PURIFICATION SYSTEM INCLUDING THE PHOTOCATALYST

#5
20250222391
2025-07-10

GAS TREATMENT DEVICE AND GAS TREATMENT METHOD

#6
20250196061
2025-06-19

ORGANIC SOLVENT RECOVERY SYSTEM

#7
20250194629
2025-06-19

SYSTEM, METHOD, AND APPARATUS FOR FUME EXTRACTION

#8
20250128201
2025-04-24

METHOD AND SYSTEM FOR UPGRADING BIOGAS USING PSA

#9
20250073666
2025-03-06

Broad-Spectrum HC/VOC Getter for Emission Control in Electronics

#10
20250001351
2025-01-02

METHOD AND SYSTEM FOR UPGRADING BIOGAS USING PSA

#11
20240375045
2024-11-14

STRUCTURE FOR ATTACHMENT OF ADSORPTION AND DESORPTION MEMBER

#12
20240024813
2024-01-25

COMBINING AIR CLEANING METHODS FOR IMPROVED ANTI-CONTAMINANT EFFICACY AND AIR CLEANING ARRAYS

#13
20240009619
2024-01-11

HEATING SYSTEM FOR COMPRESSED PARTS CAPABLE OF CONTROLLING PROCESS ATMOSPHERE AND PRESSURE

#14
20230360902
2023-11-09

PHOTOREACTOR AND SOURCE FOR GENERATING UV AND VUV

#15
20230304661
2023-09-28

REGENERATIVE THERMAL OXIDIZER, SYSTEM COMPRISING A REGENERATIVE THERMAL OXIDIZER AND METHOD OF OPERATING A REGENERATIVE THERMAL OXIDIZER

#16
20230304660
2023-09-28

REGENERATIVE THERMAL OXIDIZER, SYSTEM COMPRISING A REGENERATIVE THERMAL OXIDIZER AND METHOD OF OPERATING A REGENERATIVE THERMAL OXIDIZER

#17
20230277974
2023-09-07

Noble gas recovery system

#18
20230248866
2023-08-10

PORTABLE HYDROXYL ION GENERATOR APPARATUS

#19
20230241553
2023-08-03

SYSTEM AND METHOD FOR CIRCULATING AIR

#20
20230089864
2023-03-23

COAXIAL TUBULAR FLUID TREATMENT DEVICE AND SYSTEM

#21
20220355239
2022-11-10

A VOLATILE ORGANIC COMPOUND REDUCTION APPARATUS

#22
20220323903
2022-10-13

Methods for treating odors

#23
20220312792
2022-10-06

System, method, and apparatus for fume extraction

#24
20220307688
2022-09-29

Thermal Oxidization Systems and Methods with Greenhouse Gas Capture

#25
20220305881
2022-09-29

Methods and systems for sanitizing air conditioned by a climate control system

#26
20220305438
2022-09-29

Combining air cleaning methods for improved anti-contaminant efficacy and air cleaning arrays

#27
20220212143
2022-07-07

Gas treatment device and gas treatment method

#28
20220184433
2022-06-16

AIR TREATMENT SYSTEM

#29
20220080431
2022-03-17

AIR DUST REMOVAL SYSTEM AND METHOD

#30
20220032232
2022-02-03

Filter medium for separating nitrogen oxides

#31
20220032231
2022-02-03

Air purification device

#32
20220032229
2022-02-03

IMPROVED DEVICE FOR REMOVING VOLATILE ORGANIC COMPOUNDS

#33
20220032227
2022-02-03

NOBLE GAS RECOVERY SYSTEM

#34
20210403324
2021-12-30

SYSTEM AND METHOD FOR PURIFYING ENGINE EXHAUST BY USING OZONE

#35
20210402352
2021-12-30

ENGINE EXHAUST GAS OZONE PURIFICATION SYSTEM AND METHOD

#36
20210308622
2021-10-07

ENGINE TAIL GAS OZONE PURIFYING SYSTEM AND METHOD

#37
20210046410
2021-02-18

Multilayer filter material

#38
20200381757
2020-12-03

Hydrated magnesium hydride energy system

#39
20200282358
2020-09-10

Process and apparatus for the recovery of methanol

#40
20200261847
2020-08-20

Preparation and application of in-situ high efficient degradation carbon based materials of VOCs in landfill based on waste recycling

#41
20200171404
2020-06-04

Efficient distillation of ethanol

#42
20200147592
2020-05-14

Base Metal Catalyst and Method of Using Same

#43
20200122079
2020-04-23

Contamination limiter for reducing outgassed volatile condensable materials from external sensitive optical and thermal surfaces of a spacecraft

#44
20200078725
2020-03-12

Process equipment contaminant removal

#45
20200038804
2020-02-06

Gas-phase oxidation/decomposition and absorption integrated device and application thereof

#46
20190366260
2019-12-05

Methods for extracting and recycling ammonia from MOCVD process exhaust gas by FTrPSA

#47
20190329178
2019-10-31

Methods and apparatus to thermally destruct volatile organic compounds

#48
20190247788
2019-08-15

BLOCK APPARATUS FOR USE WITH OXIDIZERS

#49
20190224620
2019-07-25

METHOD AND APPARATUS FOR PRODUCING VALUABLE SUBSTANCES

#50
20190217240
2019-07-18

Process for low temperature gas cleaning with ozone and a catalytic bag filter for use in the process

#51
20190201841
2019-07-04

Integrated Wet Scrubbing System

#52
20190168156
2019-06-06

Flameless thermal oxidizer for oxidizing gaseous effluent streams containing hydrogen gas

#53
20190160425
2019-05-30

METHODS FOR TREATING ODORS

#54
20180361313
2018-12-20

Process equipment contaminant removal

#55
20180361302
2018-12-20

Exhaust gas purifying and heat recovering system and method for sludge treatment

#56
20180311608
2018-11-01

Carbon scrubber

#57
20180311606
2018-11-01

Complex malodor removing equipment

#58
20180286715
2018-10-04

Substrate transfer device and substrate transfer method

#59
20180272276
2018-09-27

Waste gas treatment method with application of nano-bubble and waste gas treatment system using the same

#60
20180264405
2018-09-20

Ozone oxidation decomposition treatment method for VOCs and/or gaseous inorganic reducing compounds in gas

#61
20180169573
2018-06-21

PROCESS FOR TREATING A GAS CONTAMINATED BY METALS OR ORGANICS COMPOUNDS USING A CALCIUM-PHOSPHATE REACTANT COMPRISING APATITE

#62
20180154303
2018-06-07

Flow balance control in volatile organic compound (VOC) abatement systems

#63
20180133356
2018-05-17

Plasma air purifier

#64
20180093221
2018-04-05

Butadiene sequestration via sulfur dioxide charged zeolite beds

#65
20180056236
2018-03-01

Process to decouple regeneration gas compressor from regeneration gas treating

#66
20180044639
2018-02-15

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

#67
20170333839
2017-11-23

Flameless thermal oxidizer for oxidizing gaseous effluent streams containing hydrogen gas

#68
20170307214
2017-10-26

Apparatus for steam plasma arc hydrolysis of ozone depleting substances

#69
20170266614
2017-09-21

Active filtration system for controlling cleanroom environments

#70
20170065934
2017-03-09

Apparatus for purifying waste gases for integrated semiconductor

#71
20170056821
2017-03-02

METHODS FOR TREATING ODORS

#72
20170001204
2017-01-05

Wash hood for abatement equipment and method of washing

#73
20160376250
2016-12-29

Butadiene sequestration via sulfur dioxide charged zeolite beds

#74
20160376207
2016-12-29

Butadiene sequestration via sulfur dioxide charged zeolite beds

#75
20160288045
2016-10-06

SCRUBBERS

#76
20160166981
2016-06-16

Method of enhancing removal of gaseous contaminants from a feedstream in a treatment chamber having liquid medium

#77
20160153123
2016-06-02

Process for recycling composite materials

#78
20160136575
2016-05-19

Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine

#79
20160129392
2016-05-12

Method and Apparatus for Use of Reacted Hydrogen Peroxide Compounds in Industrial Process Waters

#80
20160008757
2016-01-14

Method of treating a cleanroom enclosure

#81
20150359917
2015-12-17

Methods for treating odors

#82
20150338096
2015-11-26

Steam plasma arc hydrolysis of ozone depleting substances

#83
20150165410
2015-06-18

Steam plasma arc hydrolysis of ozone depleting substances

#84
20150037231
2015-02-05

GAS STREAM MULTI-POLLUTANTS CONTROL SYSTEMS AND METHODS

#85
20150001132
2015-01-01

Epoxide-based hydrogen sulfide scavengers

#86
20140348711
2014-11-27

Mechanical filter-based pollution control system to remediate cooking emissions

#87
20140255284
2014-09-11

Base Metal Catalyst And Method Of Using Same

#88
20140241965
2014-08-28

EXHAUST GAS TREATMENT SYSTEM AND EXHAUST GAS TREATMENT METHOD

#89
20140230725
2014-08-21

Method for the thermal conditioning of an auxiliary material and conditioning facility

#90
20140163299
2014-06-12

Ultraviolet and hydrogen peroxide or ozone or ozone and hydrogen peroxide treatment to simultaneously control nitrosamine, nitramine, amine and aldehyde emissions from amine-based carbon capture

#91
20140147361
2014-05-29

Method and Device for Thermal Post-Combustion of Hydrocarbon-Containing Gases

#92
20140147360
2014-05-29

Method and apparatus for reactive gas remediation

#93
20140120018
2014-05-01

Process and apparatus to remove and destroy volatile organic compounds by atomizing water in ozone atmosphere

#94
20140010707
2014-01-09

Device and method for the treatment of a gaseous medium and use of the device for the treatment of a gaseous medium, liquid, solid, surface or any combination thereof

#95
20130318935
2013-12-05

Biofilter

#96
20130309158
2013-11-21

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#97
20130272941
2013-10-17

Method for the treatment of exhaust gas produced by high-temperature waste incinerator with a dual-purpose reactor and the system thereof

#98
20130045155
2013-02-21

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#99
20130045150
2013-02-21

Cationic fibers hosting reactive peroxygenated radicals, and methods of making and using them

#100
20120323060
2012-12-20

Steam plasma arc hydrolysis of ozone depleting substances

#101
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#102
20120301366
2012-11-29

Microwave induced destruction of siloxanes and hydrogen sulfide in biogas

#103
20120240773
2012-09-27

Filter element for an extractor hood and extractor hood

#104
20120125759
2012-05-24

Vertical Calcined Petroleum Coke Incinerator

#105
20120070182
2012-03-22

Smell dilution unit and electrophotographic image forming apparatus including the same

#106
20120049114
2012-03-01

Gas stream multi-pollutants control systems and methods

#107
20110280780
2011-11-17

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#108
20110280773
2011-11-17

Apparatus for microwave induced destruction of siloxanes and hydrogen sulfide in biogas

#109
20110259191
2011-10-27

Method and apparatus for purging unwanted substances from air

#110
20110226989
2011-09-22

Gas stream multi-pollutants control systems and methods

#111
20110212010
2011-09-01

Apparatus and Method for Thermal Destruction of Volatile Organic Compounds

#112
20110189049
2011-08-04

METHOD FOR TREATING ODORS

#113
20110132197
2011-06-09

EXHAUST RECYCLE SYSTEM

#114
20110122379
2011-05-26

FILTER HOLDING APPARATUS, EXPOSURE APPARATUS, AND METHOD FOR PRODUCING DEVICE

#115
20110122378
2011-05-26

FILTER APPARATUS, FILTER ACCOMMODATING METHOD, EXPOSURE APPARATUS AND METHOD FOR PRODUCING DEVICE

#116
20110104012
2011-05-05

Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters

#117
20100303696
2010-12-02

METHOD OF TREATING A GAS STREAM

#118
20100288124
2010-11-18

Sulfur functionalized polymers for separation of metals from gas and liquid and methods for preparation thereof

#119
20100254868
2010-10-07

PURIFICATION OF A FLUID USING OZONE WITH AN ADSORBENT AND/OR A PARTICLE FILTER

#120
20100219373
2010-09-02

GAS STREAM MULTI-POLLUTANTS CONTROL SYSTEMS AND METHODS

#121
20100197481
2010-08-05

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#122
20100071550
2010-03-25

Method and apparatus for purging unwanted substances from air

#123
20100024644
2010-02-04

Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters

#124
20090250396
2009-10-08

DRAINAGE WATER-TREATING METHOD AND DRAINAGE WATER-TREATING APPARATUS

#125
20090136406
2009-05-28

FLAMELESS THERMAL OXIDATION METHOD

#126
20090112043
2009-04-30

Process and apparatus for treating a gas containing a contaminant

#127
20080179177
2008-07-31

Microwave induced destruction of siloxanes and hydrogen sulfide in biogas

#128
20070196319
2007-08-23

Methods of producing, marketing and using odor control compositions

#129
20070059229
2007-03-15

Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters

#130
20070045198
2007-03-01

Method for purifying fluid and static mixer

#131
20070003800
2007-01-04

Air filter assembly for low temperature catalytic processes

#132
20060152695
2006-07-13

Exposure apparatus

#133
20060079168
2006-04-13

Method and apparatus for decontamination of automotive HVAC systems

#134
20060039844
2006-02-23

Method for abatement of voc in exhaust gases by wet pulse corona discharge

#135
20050172813
2005-08-11

Deodorant material and process for producing the same

#136
20050124286
2005-06-09

Method and apparatus for decontamination for automotive HVAC systems

#137
20050095189
2005-05-05

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#138
20050022670
2005-02-03

Air filter assembly for low temperature catalytic processes