ClassID:

29759

B01D53/8687 - 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; Catalytic processes; Removing components of undefined structure Organic components

Recent Application in this class:
#1
20260151530
2026-06-04

HYDROXYL-BASED SYSTEM FOR FILTERING AND DISINFECTING AIR AND LIQUIDS AND A METHOD OF USE

#2
20260115662
2026-04-30

METHOD FOR CONTROLLING SEMICONDUCTOR PROCESS ENVIRONMENT

#3
20260041810
2026-02-12

PHOTOCATALYST MODULE

#4
20250361701
2025-11-27

WATER GENERATION FOR LIFE SUPPORT SYSTEMS

#5
20250288976
2025-09-18

PHOTOCATALYST, CATALYST FILTER INCLUDING THE PHOTOCATALYST, AND FILTERING SYSTEM INCLUDING THE CATALYST FILTER

#6
20250205382
2025-06-26

PHOTOCATALYTIC AIR PURIFIER AND AIR PURIFICATION METHOD

#7
20250083095
2025-03-13

VOC REMOVAL APPARATUS

#8
20240408616
2024-12-12

ELECTRIFICATION UNIT AND ELECTROSTATIC PRECIPITATOR COMPRISING SAME

#9
20240299882
2024-09-12

FILTERING SYSTEM INCLUDING CATALYST FILTER

#10
20240269651
2024-08-15

MONOLITHIC COMPOSITE PHOTOCATALYSTS

#11
20240263380
2024-08-08

LAUNDRY TREATMENT CABINET WITH A DEVICE FOR TREATING THE INTERIOR AIR

#12
20240261723
2024-08-08

Plasma purification device for purifying catering oil fume and method for purifying catering oil fume

#13
20240197949
2024-06-20

NEGATIVE ION BASED CONTINUOUUS DISINFECTION SYSTEM

#14
20240058748
2024-02-22

DEVICE AND METHOD FOR ELECTROCHEMICAL DEGRADATION OF GASEOUS ORGANIC POLLUTANTS

#15
20230398491
2023-12-14

AIR PURIFIER AND OPERATING METHOD THEREOF

#16
20230364558
2023-11-16

PHOTOCATALYTIC MATERIAL, METHOD FOR PREPARING THE PHOTOCATALYTIC MATERIAL AND PHOTOCATALYTIC AIR SCREEN FILTER FOR EPIDEMIC PREVENTION

#17
20230321602
2023-10-12

CATALYTIC FILTERS FOR HYDROGENATION AND EMISSIONS CONTROL

#18
20230321585
2023-10-12

EXHAUST GAS TREATMENT SYSTEM

#19
20230311059
2023-10-05

DEVICE AND METHOD FOR TREATING WASTE GAS THROUGH VARIABLE-DIAMETER ACCELERATION-BASED FREE RADICAL SHOWER IN COMBINATION WITH CATALYSIS

#20
20230294034
2023-09-21

Integrated device for adsorptive purification and catalytic regeneration of volatile organic compounds

#21
20230285938
2023-09-14

BIOSILICA-PORATED CATALYTIC COMPOSITE MATERIALS

#22
20230270908
2023-08-31

APPARATUS FOR SEDIMENTATION AND OXIDATION OF FINE DUST AND AEROSOLS AND ORGANIC LOADS SUCH AS VIRUSES IN A DEVICE, AND FOR ELECTROSTATIC AND ELECTROCHEMICAL OR PHOTOCHEMICAL PROCESSESING OF THE AIR SUPPLIED BY THE DEVICE TO A ROOM FOR ANALOG PROCESSES IN THE ROOM

#23
20230234041
2023-07-27

SUPRAMOLECULAR POROUS ORGANIC NANOCOMPOSITES FOR HETEROGENEOUS PHOTOCATALYSIS

#24
20230191320
2023-06-22

Air treatment systems and methods

#25
20230182117
2023-06-15

Gas treatment method and materials

#26
20230173440
2023-06-08

MIXING NOZZLE AND CONTAMINATED GAS PURIFICATION DEVICE USING MIXING NOZZLE

#27
20230074001
2023-03-09

Method for the treatment of an exhaust gas and an HVAC system

#28
20230031550
2023-02-02

RECYCLABLE CERAMIC CATALYST FILTER, FILTERING SYSTEM INCLUDING THE SAME, AND METHOD OF MANAGING THE FILTERING SYSTEM

#29
20230028077
2023-01-26

Filter and a method for removing aldehyde-type VOCs from indoor air

#30
20230023594
2023-01-26

Method for treating waste gases containing low-concentration volatile organic compounds (VOCs) based on combination of adsorption and in-situ temperature-varying catalytic ozonation

#31
20220370989
2022-11-24

Carbon-coated Nickel-aluminum Nanocomposite, Preparation Method Therefor and Application Thereof

#32
20220362713
2022-11-17

EMISSION REDUCTION DEVICE FOR COOKING FUMES PRODUCED FROM SMOKING, FRYING AND ROASTING

#33
20220234002
2022-07-28

Air Purification Apparatuses, Systems, and Methods for Removing Particulates, Volatile Organic Compounds, and Nitrous Oxide-Containing Compounds

#34
20220219107
2022-07-14

GAS EVACUATION DEVICE

#35
20220205644
2022-06-30

System and method for controlling smoke during air frying in a range or oven

#36
20220111353
2022-04-14

Monolithic composite photocatalysts

#37
20210393845
2021-12-23

PHOTO-ELECTRONIC AIR DISINFECTOR

#38
20210370220
2021-12-02

Activated carbon and catalyst filter

#39
20210331116
2021-10-28

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

#40
20210260569
2021-08-26

Ultraviolet activated photocatalytic materials; their use in volatile compound decomposition

#41
20210236980
2021-08-05

PHOTO-CATALYTIC OXIDATION DEVICE FOR ORGANIC WASTE GAS

#42
20210180791
2021-06-17

System and process for efficient SCR at high NOto NOratios

#43
20210129087
2021-05-06

Anti-haze anti-harmful gas air filter membrane as well as preparation method and application thereof

#44
20210094026
2021-04-01

Recyclable ceramic catalyst filter, filtering system including the same, and method of managing the filtering system

#45
20210053030
2021-02-25

Supported catalyst for organic substance decomposition and organic substance decomposition device

#46
20210037839
2021-02-11

System and method for identifying an emissions control failure in an indoor smoker

#47
20210030914
2021-02-04

Air purifier and automobile air conditioner with air purifier

#48
20210016259
2021-01-21

Supported catalyst for organic substance decomposition and organic substance decomposing apparatus

#49
20200406245
2020-12-31

Honeycomb-structured catalyst for organic substance decomposition and organic substance decomposing apparatus

#50
20200406236
2020-12-31

Catalyst for organic substance decomposition and organic substance decomposing apparatus

#51
20200391193
2020-12-17

Method for manufacturing photocatalytic filter having porous nanofiber heterostructure

#52
20200324278
2020-10-15

METHOD FOR PREPARING POROUS ORGANIC FRAMEWORK-SUPPORTED ATOMIC NOBLE METAL CATALYSTFOR CATALYTIC OXIDATION OF VOCS AT ROOM TEMPERATURE

#53
20200206686
2020-07-02

Method and facility for purifying a feed gas stream comprising at least 90% CO2

#54
20200179945
2020-06-11

Electrical filter structure

#55
20200129972
2020-04-30

Filter element for decomposing contaminants, system for decomposing contaminants and method using the system

#56
20200122078
2020-04-23

Aircraft air purification and volatile organic compounds reduction unit

#57
20200109869
2020-04-09

Electrical filter structure

#58
20200070130
2020-03-05

Organic matter decomposition catalyst, organic matter decomposition aggregate, and organic matter decomposition apparatus

#59
20200054776
2020-02-20

PHOTOCATALYST-CARRYING MESH SHEET, AIR PURIFIER, AND METHOD FOR PRODUCING PHOTOCATALYST-CARRYING MESH SHEET

#60
20190336952
2019-11-07

Gas treatment method and materials

#61
20190314759
2019-10-17

PROCESS FOR THE REMOVAL OF HYDROGEN CHLORIDE AND SULFUR OXIDES FROM A GAS STREAM BY ABSORPTION

#62
20190277819
2019-09-12

Air pollution sensor to measure major carbon components in the environment

#63
20190262771
2019-08-29

Low-Temperature Oxidation Catalyst With Particularly Marked Hydrophobic Properties ForThe Oxidation Of Organic Pollutants

#64
20190240370
2019-08-08

Air treatment system and method of use

#65
20190224516
2019-07-25

Ozone cleaning system

#66
20190217240
2019-07-18

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

#67
20190185175
2019-06-20

Contaminant removal for catalytic fuel tank inerting system

#68
20190175971
2019-06-13

Ozone cleaning system

#69
20190143270
2019-05-16

Base metal catalyst for treatment of ozone and volatile organic compounds present in air supply

#70
20190126200
2019-05-02

Sulfur dioxide removal from waste gas

#71
20190060832
2019-02-28

Low-Temperature Oxidation Catalyst With Particularly Marked Hydrophobic Properties For The Oxidation Of Organic Pollutants

#72
20190009202
2019-01-10

Multifunctional filter medium, and method and apparatus for manufacturing same

#73
20180207311
2018-07-26

Electronic apparatus having photocatalytic filter

#74
20180147313
2018-05-31

Photocatalytic honeycomb assembly and photocatalytic purification apparatus

#75
20180127954
2018-05-10

Water production apparatus for rigorous climates

#76
20180126360
2018-05-10

Photocatalytic coated granules and method of making same

#77
20180050297
2018-02-22

Activated carbon and catalyst filter

#78
20180029011
2018-02-01

Photocatalytic concrete product and a method to produce a photocatalytic concrete product

#79
20180021613
2018-01-25

Catalyst for disinfection, sterilization and purification of air, and preparation method thereof

#80
20170334267
2017-11-23

Photocatalytic module for automobile air conditioner and automobile air conditioner having the same

#81
20170333842
2017-11-23

Base metal catalyst for treatment of ozone and volatile organic compounds present in air supply

#82
20170203282
2017-07-20

Noble metal-free catalyst compositions

#83
20170173529
2017-06-22

Apparatus for decomposing low concentration of volatile organic compounds by high flow

#84
20170144134
2017-05-25

Catalytically active material, method for producing same, and use thereof

#85
20160339381
2016-11-24

Method for heat-treating a material flow and for cleaning resulting exhaust gases

#86
20160310893
2016-10-27

CONSTANT DIRECTION REGENERATIVE SELECTIVE CATALYTIC REDUCTION

#87
20160257585
2016-09-08

Method for treating soil-contaminating water using photocatalytic material

#88
20160251226
2016-09-01

Purification of carbon dioxide streams

#89
20160250370
2016-09-01

Deodorizer

#90
20160166987
2016-06-16

Photocatalytic oxidation media and system

#91
20160158738
2016-06-09

Photocatalyst sheet

#92
20160038924
2016-02-11

Activated carbon with a special finishing, production and use thereof

#93
20150375203
2015-12-31

Precipitated and calcined composition based on zirconium oxide and cerium oxide

#94
20150273440
2015-10-01

Visible light-responsive photocatalytic nanoparticle dispersion liquid, method for producing same, and member having photocatalytic thin film on surface

#95
20150165420
2015-06-18

Photocatalytic compositions and methods for their preparation and use

#96
20150057149
2015-02-26

Catalysts for oxidation of carbon monoxide and/or volatile organic compounds

#97
20150000244
2015-01-01

System and method for reducing emissions via solvent injection

#98
20140294679
2014-10-02

Air purification unit

#99
20140271419
2014-09-18

Catalytic removal of gas phase contaminants

#100
20140219894
2014-08-07

Device and method for gas treatment using non-thermal plasma and catalyst medium

#101
20140186251
2014-07-03

LOW-TEMPERATURE OXIDATION CATALYST WITH PARTICULARLY MARKED HYDROPHOBIC PROPERTIES FOR THE OXIDATION OF ORGANIC PULLUTANTS

#102
20140060400
2014-03-06

Device for eliminating harmful substance

#103
20140005040
2014-01-02

Metal nanoparticle deposited inorganic nanostructure hybrids, uses thereof and processes for their preparation

#104
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

#105
20130052113
2013-02-28

METHOD AND DEVICE FOR THE PURIFICATION OF THE AIR

#106
20130026027
2013-01-31

Photocatalytic reactor and method for treating gaseous pollutants using the same

#107
20120232234
2012-09-13

Safe removal of volatile, oxidizable compounds from particles, in particular polymer particles

#108
20120172196
2012-07-05

PHOTOCATALYTIC MULTILAYER METAL COMPOUND THIN FILM AND METHOD FOR PRODUCING SAME

#109
20120093696
2012-04-19

SYSTEM FOR DEGRADING AND REMOVING TOXIC SUBSTANCE BY MEANS OF THERMAL EXCITATION OF CHROMIUM OXIDE OR NICKEL OXIDE

#110
20110136656
2011-06-09

Deodorizing catalyst, deodorizing method using the same, and method for regenerating the catalyst

#111
20110027138
2011-02-03

Photocatalytic device with mixed photocatalyst/silica structure

#112
20110027130
2011-02-03

ADSORPTIVE PHOTO-CATALYTIC OXIDATION AIR PURIFICATION DEVICE

#113
20100300984
2010-12-02

Nanostructured Carbon Supported Catalysts, Methods Of Making, And Methods Of Use

#114
20100294646
2010-11-25

PHOTOCATALYST, PREPARATION METHOD THEREOF, PHOTO REACTOR, AND PHOTOLYSIS PROCESS

#115
20100290977
2010-11-18

METHOD OF REMOVING HYDROCARBON IMPURITIES FROM A GAS

#116
20100190643
2010-07-29

DEACTIVATION RESISTANT PHOTOCATALYST AND METHOD OF PREPARATION

#117
20100183484
2010-07-22

Siloxane removal via silicate formation for lifetime extension of photocatalytic devices

#118
20100166633
2010-07-01

CATALYST AND METHOD FOR DECOMPOSING VOLATILE ORGANIC COMPOUNDS

#119
20100150793
2010-06-17

Combined labyrinthine fluid sterilizing apparatus

#120
20100120610
2010-05-13

Siloxane removal via silicate formation for lifetime extension of photocatalytic devices

#121
20100075836
2010-03-25

DEACTIVATION RESISTANT PHOTOCATALYST AND METHOD OF PREPARATION

#122
20100054988
2010-03-04

PHOTOCATALYTIC NANOCAPSULE AND FIBER FOR WATER TREATMENT

#123
20090305879
2009-12-10

PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME

#124
20090252654
2009-10-08

AIR CLEANER

#125
20090093361
2009-04-09

PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME

#126
20090050129
2009-02-26

Catalytic converter unit and method for treating cooking emissions

#127
20090032390
2009-02-05

Method and device for photocatalvtic oxidation of organic substances in air

#128
20070221582
2007-09-27

Nebulizing treatment method

#129
20070193875
2007-08-23

Photocatalyst materials having semiconductor characteristics and methods for manufacturing and using the same

#130
20070160943
2007-07-12

Monolith for use in regenerative oxidizer systems

#131
20070098614
2007-05-03

Gas processing method and gas processing apparatus utilizing oxidation catalyst and low-temperature plasma

#132
20070009414
2007-01-11

Catalytic air purification system

#133
20060258533
2006-11-16

Method to produce photo-catalyst physical water molecule for medical purposes

#134
20060062703
2006-03-23

Automatic VOC concentration control apparatus and image forming apparatus having the same

#135
20060034777
2006-02-16

Safe removal of volatile oxidizable compounds from particles, in particular polymer particles

#136
18438788
2024-05-21

Synthesis of a Au-(TiO/WO) semiconductor composite using fluidized bed chemical vapor deposition (FBCVD)

#137
15777215
2019-09-10

Coatings