ClassID:

29730

B01D53/85 - 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; General processes for purification of waste gases; Apparatus or devices specially adapted therefor; Biological processes with gas-solid contact

Recent Application in this class:
#1
20260077310
2026-03-19

BACTERIAL COMPOSITIONS FOR CONSUMING METHANE AND FIXING NITROGEN

#2
20260001035
2026-01-01

AIR PURIFIER USING MOSS, AIR PURIFYING SYSTEM, AND OPERATING METHOD THEREOF

#3
20250229226
2025-07-17

MODULARIZED GAS BIO-TRICKLING FILTER DEVICE AND METHOD FOR EFFICIENT VOC (VOLATILE ORGANIC COMPOUND) AND ODOUR TREATMENT

#4
20250032978
2025-01-30

Device and Method for the Sequestration of Atmospheric Carbon Dioxide

#5
20250019631
2025-01-16

SYSTEM AND METHOD FOR METHANE BIODEGRADATION

#6
20240318129
2024-09-26

COMPOSITIONS AND METHODS FOR INDOOR AIR REMEDIATION

#7
20240157294
2024-05-16

COMPACT, MICROCOMPOSITE GAS FILTER

#8
20240109033
2024-04-04

Carbon Capture by Algal Inoculation of Ocean Ice and/or Sea Ice

#9
20240109028
2024-04-04

Device and Method for the Sequestration of Atmospheric Carbon Dioxide

#10
20240100477
2024-03-28

METHODS AND SYSTEMS FOR PROCESSING GAS STREAMS

#11
20240082784
2024-03-14

Biogenic Refinery with SCR System Using Urea Extracted from Feedstock

#12
20240001278
2024-01-04

CENTRAL CONTROLLER FOR COMPLETELY CLEANING INDOOR AIR POLLUTION

#13
20230356154
2023-11-09

HOLLOW FIBER MEMBRANE FOR ENCLOSED SPACE AIR REMEDIATION

#14
20230347393
2023-11-02

DEVICE FOR COLLECTING, STORING AND TRANSPORTING FERMENTABLE WASTE

#15
20230324060
2023-10-12

POLLUTANT REMOVING AIR GROOVE

#16
20230311062
2023-10-05

Biofilter for Biological Purification of a Waste Gas Stream Containing Impurities

#17
20230241553
2023-08-03

SYSTEM AND METHOD FOR CIRCULATING AIR

#18
20230233993
2023-07-27

MANAGED ECOSYSTEM UTILIZING PRODUCED WATER FROM OIL AND/OR GAS RECOVERY OPERATIONS AND METHOD FOR SEQUESTERING CARBON DIOXIDE USING SAME

#19
20230132662
2023-05-04

METHANOTROPHIC BIO-BARRIERS FOR REDUCING METHANE EMISSIONS

#20
20230075149
2023-03-09

ADDITION OF ALKALINE MATERIALS TO BIOTRICKLING FILTER OR BIO-FILTER MAKE-UP WATER

#21
20220387932
2022-12-08

BIOFILTRATION-APPARATUS AND -METHOD FOR THE TREATMENT OF GASES/VAPORS AND/OR COMBUSTION FLUE GASES

#22
20220323926
2022-10-13

RADIAL PROCESSING DEVICE

#23
20220297060
2022-09-22

Solid material for purifying air and preparation method and use thereof

#24
20220288531
2022-09-15

Enzymatic phase transfer solvent for CO/HS capture

#25
20220259533
2022-08-18

Culture systems and methods of using same

#26
20220258100
2022-08-18

PRODUCTS OF MANUFACTURE AND METHODS FOR METHANE CAPTURING USING BIOFILTRATION

#27
20220241724
2022-08-04

BIOLOGICAL DESULFURIZATION PROCESSING METHOD AND BIOLOGICAL DESULFURIZATION PROCESSING SYSTEM

#28
20220220429
2022-07-14

SYSTEM AND METHOD FOR METHANE BIODEGRADATION

#29
20220177343
2022-06-09

Combined waste water and gas treatment system for efficiently decarbonizing and removing nitrogen

#30
20220176067
2022-06-09

SYSTEM AND METHOD FOR AIR FILTRATION AND THERAPEUTIC RELIEF

#31
20220162533
2022-05-26

CULTURE SUBSTRATE FOR METHANISATION METHOD

#32
20220161189
2022-05-26

MICROORGANISM DEODORIZING DEVICE AND DEODORIZATION TREATMENT SYSTEM

#33
20220146125
2022-05-12

Overhead air filtration system

#34
20220081694
2022-03-17

INDOOR AIR POLLUTANT DEGRADATION BY GENETICALLY MODIFIED PLANTS

#35
20220032229
2022-02-03

IMPROVED DEVICE FOR REMOVING VOLATILE ORGANIC COMPOUNDS

#36
20220016573
2022-01-20

Closed-loop biological systems and methods utilizing an onsite non-potable water treatment for odor control irrigation

#37
20210387143
2021-12-16

Apparatus and system for a molecular imprinted air filter

#38
20210354086
2021-11-18

METHOD FOR SIMULTANEOUSLY REMOVING HIGH-LOAD SULFUR DIOXIDE AND NITROGEN OXIDE IN WASTE GAS

#39
20210331116
2021-10-28

System and method for processing industrial waste gas based on combination of photoelectrocatalysis and biotrickling filter

#40
20210277424
2021-09-09

BIOREMEDIATION OF PETROCHEMICAL-CONTAINING SUBSTRATES USING FUNGI

#41
20210268435
2021-09-02

Use of porous glass media for a biofilter to remove odorous compounds from an air stream

#42
20210260527
2021-08-26

DEVICES, FACILITIES, METHODS AND COMPOSITIONS FOR CARBON DIOXIDE CAPTURE, SEQUESTRATION AND UTILIZATION

#43
20210247081
2021-08-12

Various embodiments of a plant air purifier with a filter container that holds filter material, which lets air pass through the filter material during its air purifying phase, and lets water submerge that same filter material during the remoisturiziation phase

#44
20210229031
2021-07-29

Hybrid polymer membrane

#45
20210179994
2021-06-17

DIGESTER COMPRISING A POROUS INNER WALL

#46
20210179988
2021-06-17

DIGESTER COMPRISING AN INNER WALL HAVING EXPANSIONS AND/OR HOLLOWS

#47
20210178318
2021-06-17

Apparatus and Method for Oxygen and Carbon Dioxide Enrichment of Atmospheric Air

#48
20210162343
2021-06-03

METHOD AND DEVICE FOR REMOVING AMMONIA FROM EXHAUST AIR FROM A LIVESTOCK STABLE

#49
20210154619
2021-05-27

BIOLOGICAL SYSTEMS AND METHODS FOR AIR PURIFICATION

#50
20210113961
2021-04-22

Addition of alkaline materials to biotrickling filter or bio-filter make-up water

#51
20210101113
2021-04-08

PURIFICATION OF POLLUTED AIR USING MICRO-ORGANISM-CONTAINING PARTICULATE MEDIA

#52
20210093998
2021-04-01

DEVICE AND METHOD FOR THE SEQUESTRATION OF ATMOSPHERIC CARBON DIOXIDE

#53
20210024861
2021-01-28

Culture systems and methods of using same

#54
20200406189
2020-12-31

Multi-stage treatment system and methods for removal of target vapor compounds from contaminated air streams

#55
20200406188
2020-12-31

BIO-FILTER SYSTEM

#56
20200368683
2020-11-26

Use of porous glass media for a biofilter to remove odorous compounds from an air stream

#57
20200338497
2020-10-29

DEVICES, FACILITIES, METHODS AND COMPOSITIONS FOR CARBON DIOXIDE CAPTURE, SEQUESTRATION AND UTILIZATION

#58
20200261847
2020-08-20

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

#59
20200215592
2020-07-09

Method and plant for waste disposal

#60
20200171432
2020-06-04

A FILTERING APPARATUS AND METHOD FOR TREATING POLLUTED AIR IN INDOOR SPACES

#61
20200124300
2020-04-23

Self-power air refresher system

#62
20190264169
2019-08-29

COMPOSITIONS AND METHODS FOR RECOVERY OF STRANDED GAS AND OIL

#63
20190143268
2019-05-16

System and method for washing and treating fermentation odor and combustion flue gas

#64
20190134562
2019-05-09

Use of porous glass media for a biofilter to remove odorous compounds from an air stream

#65
20190084854
2019-03-21

PROCESSES FOR TREATMENT OF SPENT ALKALINE WASTE STREAMS

#66
20190060830
2019-02-28

System for carbon abatement naturally over paved environments

#67
20190009212
2019-01-10

Decontamination procedure using a biofilter to retain and recycle particulate matter from combustion fumes

#68
20180311614
2018-11-01

Filter material, device and method for purifying gases and liquids

#69
20180303963
2018-10-25

Composition for preventing odor, containing odorless microorganisms

#70
20180015410
2018-01-18

Fungi-bacteria composite microecologics and methods for preparing and using the same

#71
20170266616
2017-09-21

Method for producing oxide layer material in landfill field for treating methane gas by using household refuse

#72
20170266615
2017-09-21

GAS FILTERING APPARATUS FOR REDUCING ODOR

#73
20170265440
2017-09-21

Process and method for optimizing production of food and feed

#74
20170225122
2017-08-10

ETHANOL EMISSION TREATMENT SYSTEMS

#75
20170217805
2017-08-03

Fiber bundle for bearing microorganisms

#76
20170173526
2017-06-22

Method and apparatus for cleaning a contaminated air stream

#77
20170159030
2017-06-08

Bacterial cytochrome P450 protein variant and method of reducing concentration of fluorinated methane in sample using the same

#78
20170056822
2017-03-02

Methods and systems for inhibiting crystalline buildup in a flue gas desulfurization unit

#79
20170028381
2017-02-02

PACKING MATERIAL COMPRISING STARCH-MODIFIED POLYURETHANE FOR THE BIOFILTRATION OF ORGANIC COMPOUNDS PRESENT IN GASEOUS OR LIQUID EFFLUENTS, PRODUCTION METHODS THEREOF AND BIOFILTRATION SYSTEM

#80
20160333307
2016-11-17

Compositions and methods for recovery of stranded gas and oil

#81
20160251245
2016-09-01

BIOFILTRATION SYSTEM AND PROCESS FOR COMBINED AND SIMULTANEOUS TREATMENT OF METHANE AND OF LEACHATE

#82
20160051929
2016-02-25

Addition of alkaline materials to biotrickling filter or bio-filter make-up water

#83
20160038873
2016-02-11

Use of porous glass media for a biofilter to remove odorous compounds from an air stream

#84
20150267356
2015-09-24

Apparatus and method for controlling airborne pollution

#85
20150165372
2015-06-18

Regeneratable ion exchange material for reducing the amount of CO

#86
20150140643
2015-05-21

BIOLOGICAL ODOR CONTROL SYSTEM

#87
20150104782
2015-04-16

ACTIVITY REPLENISHMENT AND IN SITU ACTIVATION FOR ENZYMATIC CO2 CAPTURE PACKED REACTOR

#88
20140370578
2014-12-18

Modified ceramsite packing useful for biomembrane trickling filter and a process for removing SO2 from flue gas using the trickling filter

#89
20140370577
2014-12-18

DRY SCRUBBER SYSTEM WITH BACTERIA

#90
20140369909
2014-12-18

Dry chemical scrubber with pH adjustment

#91
20140286844
2014-09-25

Sorbents for carbon dioxide capture

#92
20140256021
2014-09-11

BIOFILTER MEDIA TO REMOVE ODOUR CAUSING COMPOUNDS FROM WASTE GAS STREAMS

#93
20140256014
2014-09-11

METHODS AND SYSTEMS FOR ABSORBING CO2 AND CONVERTING SAME INTO GASEOUS OXYGEN BY MEANS OF MICROORGANISMS

#94
20140020366
2014-01-23

Method of recycling exhaust emissions

#95
20130318935
2013-12-05

Biofilter

#96
20130224842
2013-08-29

PROCESS FOR CO2 ABSORPTION WITH CARBONIC ANHYDRASE ENTRAPPED IN POROUS SUPPORTS

#97
20130149411
2013-06-13

Process and method for optimizing production of food and feed

#98
20130137170
2013-05-30

Multi-tube biofilter system for treating waste gas

#99
20130115672
2013-05-09

Biological composite and method for reducing HS

#100
20130095561
2013-04-18

Biological HS removal system and method

#101
20130065285
2013-03-14

Chemoautotrophic conversion of carbon oxides in industrial waste to biomass and chemical products

#102
20120311991
2012-12-13

Biofilter assemblies for biomass gasification systems

#103
20120264197
2012-10-18

H2S Removal from Contaminated Gases

#104
20120258526
2012-10-11

PACKING MATERIAL COMPRISING STARCH-MODIFIED POLYURETHANE FOR THE BIOFILTRATION OF ORGANIC COMPOUNDS PRESENT IN GASEOUS OR LIQUID EFFLUENTS, PRODUCTION METHODS THEREOF AND BIOFILTRATION SYSTEM

#105
20120220025
2012-08-30

PROCESS FOR ACCELERATED CAPTURE OF CARBON DIOXIDE

#106
20120202275
2012-08-09

SYSTEM AND METHOD FOR REMOVING AIRBORNE CONTAMINANTS FROM EXHAUST GAS

#107
20120118211
2012-05-17

Method of recycling exhaust emissions

#108
20120107908
2012-05-03

Enzymatic Formulation and Composition for CO2 Capture Reactions

#109
20120083026
2012-04-05

Method for removing CO2 from a smoke or exhaust gas of a combustion process

#110
20120067293
2012-03-22

Biofiltration Applicator for Controlling and Accessing the Initial Point of Contact

#111
20120052480
2012-03-01

Biofilters for living spaces

#112
20110318778
2011-12-29

Organic Substrate Treatment System

#113
20110311406
2011-12-22

Methane venting system

#114
20110300623
2011-12-08

Process for accelerated capture of carbon dioxide

#115
20110183397
2011-07-28

Carbonic anhydrase bioreactor and process

#116
20110151548
2011-06-23

GREASE ABSORPTION SYSTEM AND METHOD

#117
20110113960
2011-05-19

BIODEGRADABLE LITTER AMENDMENT MATERIAL FROM AGRICULTURAL RESIDUES

#118
20110094156
2011-04-28

Biological air filter

#119
20110045576
2011-02-24

Carbonic anhydrase system and process for COcontaining gas effluent treatment

#120
20110011426
2011-01-20

PART WASHER AND PART WASHING METHOD USING THE SAME

#121
20100291661
2010-11-18

METHOD OF REMOVING HARMFUL SUBSTANCES

#122
20100248323
2010-09-30

Carbonic anhydrase bioreactor and process for COcontaining gas effluent treatment

#123
20100233797
2010-09-16

Bio-wall

#124
20100209988
2010-08-19

Bioremediation Materials

#125
20100178693
2010-07-15

Gas decomposing apparatus

#126
20100160710
2010-06-24

METHODS AND APPARATUSES FOR REDUCING EMISSIONS OF VOLATILE ORGANIC COMPOUNDS FROM PUMPS AND STORAGE TANKS FOR VOC-CONTAINING FLUIDS

#127
20100139265
2010-06-10

ACCELERATED METHOD FOR CONVERTING CARBON DIOXIDE INTO ENERGY

#128
20100129895
2010-05-27

Biofiltration system for odor control

#129
20100120114
2010-05-13

Air cleaning filter comprising formaldehyde dehydrogenase and process for producing the same

#130
20100089818
2010-04-15

DEVICE FOR PURIFYING GASES, SUCH AS AIR IN PARTICULAR, OR LIQUIDS, SUCH AS WATER IN PARTICULAR

#131
20100086983
2010-04-08

Process for accelerated capture of carbon dioxide

#132
20100028369
2010-02-04

Hazardous substance removing material and method for removing hazardous substance

#133
20090305391
2009-12-10

Triphasic bioreactor and process for gas effluent treatment

#134
20090304450
2009-12-10

Method of recycling exhaust emissions

#135
20090275112
2009-11-05

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

#136
20090263890
2009-10-22

METHOD AND EQUIPMENT FOR REDUCING ENVIRONMENTAL POLLUTION

#137
20090221865
2009-09-03

METHOD AND APPARATUS FOR INJECTING ENRICHED STEAM

#138
20090199608
2009-08-13

COMPOSTING APPARATUS, INSTALLATION AND METHOD THEREOF

#139
20090176295
2009-07-09

Use of mosses and/or lichens, element and method for reducing the particulate matter content of air

#140
20090126747
2009-05-21

PLANT EXTRACTS AND USES THEREOF IN FILTER SYSTEMS

#141
20090114094
2009-05-07

GREASE ABSORPTION SYSTEM AND METHOD

#142
20090093042
2009-04-09

Biofilter media to remove odour causing compounds from waste gas streams

#143
20090090240
2009-04-09

BIOFILTRATION PROCESS AND APPARATUS FOR ODOUR OR VOC TREATMENT

#144
20090064858
2009-03-12

Biological process for purifying air in confined rooms and apparatus thereof

#145
20090011492
2009-01-08

Photobioreactor cell culture systems, methods for preconditioning photosynthetic organisms, and cultures of photosynthetic organisms produced thereby

#146
20080286857
2008-11-20

Multi-functional Polymer-Entrapped-Cell-Bead airlift bioreactor for odor or gaseous emission treatment

#147
20080220486
2008-09-11

Method for growing photosynthetic organisms

#148
20080206844
2008-08-28

Method and Apparatus for Treatment of Gases

#149
20080197073
2008-08-21

Treating pollutants by phytoleaching

#150
20080096268
2008-04-24

Biotrickling filter packing material and systems and methods of using same to remove odour causing compounds from waste gas streams

#151
20080085547
2008-04-10

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

#152
20080050273
2008-02-28

Biodegradable Litter Amendment Material from Agricultural Residues

#153
20080044889
2008-02-21

Landfill biofiltration system and methods for removal of gas-phase pollutants and contaminants

#154
20080014433
2008-01-17

METHOD FOR REMOVING VOLATILE ORGANIC COMPOUNDS (VOCs) FROM AN AIR STREAM

#155
20070274787
2007-11-29

Process for removing contaminants from contaminated soil

#156
20070259416
2007-11-08

Gas treatment systems and methods

#157
20070178578
2007-08-02

Biofiltration system for treating airborne volatile organic compounds

#158
20070128713
2007-06-07

Triphasic process for gas effluent treatment

#159
20070048856
2007-03-01

GAS PURIFICATION APPARATUS AND PROCESS USING BIOFILTRATION AND ENZYMATIC REACTIONS

#160
20070044339
2007-03-01

Air treatment device for agricultural buildings

#161
20070007201
2007-01-11

Process reactor with layered packed bed

#162
20060027099
2006-02-09

Method and system for treating contaminants and odors in airborne emissions

#163
20050260553
2005-11-24

Photobioreactor and process for biomass production and mitigation of pollutants in flue gases

#164
20050255585
2005-11-17

Closed loop work station bioremediation using mini-reactor cartridges

#165
20050252215
2005-11-17

Method and system for sequestering carbon emissions from a combustor/boiler

#166
20050250201
2005-11-10

Closed loop work station bioremediation using mini-reactor cartridges

#167
20050214936
2005-09-29

Enzyme facilitated solubilization of carbon dioxide from emission streams in novel attachable reactors/devices

#168
20050084949
2005-04-21

Biological filter

#169
20050064577
2005-03-24

Hydrogen production with photosynthetic organisms and from biomass derived therefrom

#170
20050027155
2005-02-03

Biosequestration and organic assimilation of greenhouse gases

#171
16392479
2022-05-24

Multi-stage treatment system and methods for removal of target vapor compounds from contaminated air streams

#172
15051603
2018-11-13

Trench spanning modules in a biofilter floor assembly

#173
13945378
2016-03-29

Air treatment system and method