Patents-Review.com
ClassID:

29666 ⎘

B01D2053/222 - 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, by diffusion; Devices with plates

Recent Application in this class:
#1
20260084098
2026-03-26

Separation Membrane Unit And Separation Apparatus

 #2
20250319434
2025-10-16

CARBON DIOXIDE-SEPARATING APPARATUS AND CARBON DIOXIDE CAPTURE AND STORAGE SYSTEM

 #3
20250065260
2025-02-27

HYDROGEN PURIFICATION DEVICES

 #4
20250041792
2025-02-06

Gas Separation Membrane Unit And Gas Separation Apparatus

 #5
20250041790
2025-02-06

Gas Separation Apparatus

 #6
20240399295
2024-12-05

HYDROGEN PURIFICATION DEVICES

 #7
20240342640
2024-10-17

SCRIMLESS AND/OR ARAMID FILTER MEDIA

 #8
20240042379
2024-02-08

Hydrogen purification devices

 #9
20230330593
2023-10-19

Membrane-based hydrogen purifiers

 #10
20230311058
2023-10-05

FILTER FOR REMOVING RADIOACTIVE NOBLE GAS, FILTER UNIT AND REACTOR CONTAINMENT VENT SYSTEM

 #11
20220314175
2022-10-06

Hydrogen generation assemblies and hydrogen purification devices

 #12
20220168687
2022-06-02

Membrane-based hydrogen purifiers

 #13
20220080349
2022-03-17

Separation device and separation method

 #14
20220001326
2022-01-06

Method for Separating Gases in an Oxy-Fuel Combustion Process by Using Oxygen-Permeable Membranes

 #15
20210402349
2021-12-30

Hydrogen purification devices

 #16
20210370231
2021-12-02

Hydrogen purification devices

 #17
20210316249
2021-10-14

Membrane device for water and energy exchange

 #18
20210291117
2021-09-23

Gas separation device

 #19
20210197120
2021-07-01

COMPRESSION APPARATUS

 #20
20210197118
2021-07-01

Gas separation method and gas separator

 #21
20210170327
2021-06-10

Membrane module for mitigating evaporative fuel emissions of automobiles

 #22
20210162335
2021-06-03

HYDROGEN GENERATION ASSEMBLIES

 #23
20200316517
2020-10-08

Hydrogen purification devices

 #24
20200289978
2020-09-17

HYDROGEN GENERATION ASSEMBLIES

 #25
20200289977
2020-09-17

Hydrogen generation assemblies and hydrogen purification devices

 #26
20200141593
2020-05-07

Methods and systems for turbulent, corrosion resistant heat exchangers

 #27
20200064052
2020-02-27

Air-regulating freshness-preserving storage device

 #28
20200061529
2020-02-27

Air separation device and refrigerating and freezing device

 #29
20200009500
2020-01-09

Membrane device for water and energy exchange

 #30
20190358580
2019-11-28

Device and method for separation of water from mixtures

 #31
20190336920
2019-11-07

Hydrogen generation assemblies and hydrogen purification devices

 #32
20190135621
2019-05-09

Hydrogen generator

 #33
20190118132
2019-04-25

Hydrogen generation assemblies and hydrogen purification devices

 #34
20190105612
2019-04-11

Composite Membranes

 #35
20190093907
2019-03-28

Blended membranes for water vapor transport and methods for preparing same

 #36
20180280887
2018-10-04

Natural-gas purification apparatus

 #37
20180264398
2018-09-20

Hydrogen generation assemblies

 #38
20180180307
2018-06-28

Latent and sensible cooling membrane heat pump

 #39
20180126330
2018-05-10

Hydrogen purification devices

 #40
20180051897
2018-02-22

Methods and systems for turbulent, corrosion resistant heat exchangers

 #41
20170222235
2017-08-03

Humidifier, plate, device, and motor vehicle

 #42
20170216805
2017-08-03

Hydrogen generation assemblies and hydrogen purification devices

 #43
20170209828
2017-07-27

Hydrogen generation assemblies and hydrogen purification devices

 #44
20170184317
2017-06-29

Blended membranes for water vapor transport and methods for preparing same

 #45
20160187008
2016-06-30

Methods and systems for turbulent, corrosion resistant heat exchangers

 #46
20160051934
2016-02-25

Hydrogen generation assemblies and hydrogen purification devices

 #47
20150202564
2015-07-23

Method For Permeation Extraction of Hydrogen From an Enclosed Volume

 #48
20150033711
2015-02-05

Systems, methods, and apparatuses related to vehicles with reduced emissions

 #49
20150000522
2015-01-01

HIGH FREE VOLUME SILOXANE COMPOSITIONS USEFUL AS MEMBRANES

 #50
20140150662
2014-06-05

Methods and systems for turbulent, corrosion resistant heat exchangers

 #51
20140150657
2014-06-05

Methods and systems for turbulent, corrosion resistant heat exchangers

 #52
20140150656
2014-06-05

Methods and systems for turbulent, corrosion resistant heat exchangers

 #53
20130101909
2013-04-25

Humidifier for a fuel cell

 #54
20130011301
2013-01-10

Hydrogen generation assemblies and hydrogen purification devices