ClassID:

30791

B01D2313/26 - CPC Classification

Classification description:

Details relating to membrane modules or apparatus Specific gas distributors or gas intakes

Recent Application in this class:
#1
20250382203
2025-12-18

RECOVERY OF FLUORIDE FROM FLUORIDE-CONTAINING WASTE WATER THROUGH MEMBRANE SEPARATION

#2
20250340617
2025-11-06

COLLAGEN PROCESSING STRUCTURE, COLLAGEN PROCESSING SYSTEM, AND METHOD FOR PROCESSING COLLAGEN

#3
20250170497
2025-05-29

FLOW DISTRIBUTOR AND VOID REDUCTION DEVICE

#4
20250153107
2025-05-15

RECIPROCATING CONCENTRATION SYSTEM

#5
20250101607
2025-03-27

ELECTROLYSIS DEVICE

#6
20250041792
2025-02-06

Gas Separation Membrane Unit And Gas Separation Apparatus

#7
20240375052
2024-11-14

HOLLOW FIBER MEMBRANE MODULE

#8
20240336499
2024-10-10

URINE AND WASTEWATER TREATMENT SYSTEM

#9
20240216867
2024-07-04

BIOCHAR-ANAEROBIC MEMBRANE BIOLOGICAL TREATMENT SYSTEM AND PROCESS

#10
20240123407
2024-04-18

MEMBRANE FILTER AND FILTERING METHOD

#11
20240091708
2024-03-21

WASTEWATER TREATMENT WITH PRIMARY TREATMENT AND MBR OR MABR-IFAS REACTOR

#12
20240058761
2024-02-22

MULTI-STAGE PERMEATE GAP MEMBRANE DISTILLATION SYSTEM AND PROCESS

#13
20240058760
2024-02-22

MULTI-STAGE VACUUM MEMBRANE DISTILLATION SYSTEM AND PROCESS

#14
20240058758
2024-02-22

MULTI-STAGE DIRECT CONTACT MEMBRANE DISTILLATION SYSTEM AND PROCESS

#15
20230340399
2023-10-26

Biological and algae harvesting and cultivation systems and methods

#16
20230242865
2023-08-03

BIOLOGICAL AND ALGAE HARVESTING AND CULTIVATION SYSTEMS AND METHODS

#17
20230201773
2023-06-29

FLOW-ELECTRODE CARTRIDGE UNIT AND SUBMERGED FLOW-ELECTRODE CAPACITIVE DEIONIZATION DEVICE USING SAME

#18
20230191331
2023-06-22

HOLLOW FIBER MEMBRANE MODULE AND METHOD OF MAKING AND USING SAME

#19
20230045679
2023-02-09

FLOATING APPARATUS FOR MEMBRANE BIOFILM REACTOR AND PROCESS FOR WATER TREATMENT

#20
20230023338
2023-01-26

Detonator positioning device

#21
20230009754
2023-01-12

MEMBRANE DISTILLER AND OPERATION METHOD THEREFORE

#22
20220314172
2022-10-06

Method for introducing a gas and gas introducing device

#23
20220258103
2022-08-18

Detonator positioning device

#24
20220226781
2022-07-21

Gas exchange system and method

#25
20220088540
2022-03-24

Membrane filter

#26
20210355011
2021-11-18

MABR media for supporting AOB and annamox bacteria and process for deammonification of wastewater

#27
20210340033
2021-11-04

Algae cultivation systems and methods related thereto

#28
20210291117
2021-09-23

Gas separation device

#29
20210236994
2021-08-05

Hollow fiber membrane module and method for cleaning the same

#30
20210198122
2021-07-01

Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof

#31
20210162335
2021-06-03

HYDROGEN GENERATION ASSEMBLIES

#32
20210139359
2021-05-13

Low-pressure, reversible airlift mixing system for use with a membrane aerated biofilm reactor

#33
20200407242
2020-12-31

Method and system for producing fresh water using a reverse osmosis membrane system

#34
20200376437
2020-12-03

FILTRATION APPARATUS

#35
20200299636
2020-09-24

Biological and algae harvesting and cultivation systems and methods

#36
20200289978
2020-09-17

HYDROGEN GENERATION ASSEMBLIES

#37
20200289977
2020-09-17

Hydrogen generation assemblies and hydrogen purification devices

#38
20200248134
2020-08-06

Biological and algae harvesting and cultivation systems and methods

#39
20200238218
2020-07-30

Submerged membrane unit diffuser case

#40
20200222857
2020-07-16

Gas in/outlet adapter system for a filtration device

#41
20200179878
2020-06-11

Integral type immersed hollow fiber membrane module equipment for air scouring

#42
20200101421
2020-04-02

Compact high-throughput device for water treatment

#43
20200095138
2020-03-26

Membrane distillation device with bubble column dehumidifier

#44
20200095137
2020-03-26

Portable device and system for generating sterile water and method for the same

#45
20200078741
2020-03-12

MEMBRANE CLEANING WITH PULSED AIRLIFT PUMP

#46
20200061543
2020-02-27

Aeration Device for Filtration System

#47
20200016312
2020-01-16

Oxygenator of organic fluids

#48
20200009508
2020-01-09

Gas sparger for an immersed membrane

#49
20190366272
2019-12-05

Detonator positioning device

#50
20190336917
2019-11-07

SYSTEM FOR AERATING A SUBMERGED MEMBRANE

#51
20190330587
2019-10-31

Biological and algae harvesting and cultivation systems and methods

#52
20190211298
2019-07-11

Biomass membrane contactor

#53
20190135667
2019-05-09

Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor

#54
20190134567
2019-05-09

Membrane support made with preformed sheets

#55
20190118132
2019-04-25

Hydrogen generation assemblies and hydrogen purification devices

#56
20190105610
2019-04-11

Filtration unit

#57
20180333681
2018-11-22

Hollow fiber membrane module and method of cleaning same

#58
20180318770
2018-11-08

Device and method for positioning a detonator within a perforating gun assembly

#59
20180272282
2018-09-27

Aerator apparatus and air diffusion apparatus comprising same

#60
20180265383
2018-09-20

Membrane aerated biofilm reactor

#61
20180264398
2018-09-20

Hydrogen generation assemblies

#62
20180229185
2018-08-16

Membrane Filter System

#63
20180221826
2018-08-09

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#64
20180200674
2018-07-19

Aeration device for filtration system

#65
20180185790
2018-07-05

Fluid flow distribution device

#66
20180111095
2018-04-26

Pressure dew point-controlled purge air regulating unit

#67
20180044211
2018-02-15

Assembly for supporting mixed biofilm

#68
20180028980
2018-02-01

Water treatment system and water treatment method

#69
20180022625
2018-01-25

Process for water treatment using membrane biofilm reactor

#70
20170321184
2017-11-09

BIOLOGICAL AND ALGAE HARVESTING AND CULTIVATION SYSTEMS AND METHODS

#71
20170321182
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#72
20170321181
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#73
20170209828
2017-07-27

Hydrogen generation assemblies and hydrogen purification devices

#74
20170173538
2017-06-22

ENCLOSURE ASSEMBLY AND FILTRATION MODULE FOR FILTERING FLUID

#75
20170128887
2017-05-11

Water treatment system

#76
20170113188
2017-04-27

Membrane cleaning with pulsed airlift pump

#77
20170100701
2017-04-13

Hollow fiber membrane module

#78
20170095773
2017-04-06

Method of operating membrane filter

#79
20170088449
2017-03-30

Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor

#80
20170087518
2017-03-30

Membrane filter and filtering method

#81
20170056831
2017-03-02

Intermittent-bubbling equipment

#82
20160356132
2016-12-08

Device and method for positioning a detonator within a perforating gun assembly

#83
20160310905
2016-10-27

Gas sparger for an immersed membrane

#84
20160303515
2016-10-20

FILTER SYSTEM AND VESSEL FOR THE FILTER SYSTEM

#85
20160280573
2016-09-29

Adjustable variable bubble size aeration for submerged membrane air scour

#86
20160263528
2016-09-15

MULTI-STAGE IMMERSION MEMBRANE SEPARATION DEVICE AND MEMBRANE SEPARATION METHOD

#87
20160256831
2016-09-08

Integrated gas sparger for an immersed membrane

#88
20160220963
2016-08-04

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#89
20160220959
2016-08-04

Hollow fibre membrane module, manufacturing method therefor, header apparatus for hollow fibre membrane module and hollow fibre membrane restraining apparatus

#90
20160207004
2016-07-21

Membrane filter and filtering method

#91
20160166992
2016-06-16

DISTILLATION SYSTEM AND A METHOD OF OPERATING THE SAME

#92
20160136571
2016-05-19

Membrane separation process and membrane plant for energy-efficient production of oxygen

#93
20160121270
2016-05-05

FILTRATION APPARATUS AND IMMERSION-TYPE FILTRATION METHOD USING THE APPARATUS

#94
20160114292
2016-04-28

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#95
20160106296
2016-04-21

FILTER MODULE WITH END CAPS INCLUDING INTEGRAL VALVES

#96
20160051937
2016-02-25

Method for cleaning hollow fiber membrane module

#97
20160051934
2016-02-25

Hydrogen generation assemblies and hydrogen purification devices

#98
20160046360
2016-02-18

Ballast water treatment apparatus and method for ship using forward osmosis process

#99
20160030889
2016-02-04

Cartridge-type hollow fiber membrane module comprising submerged hollow fiber membrane unit module with free end and submerged apparatus for water treatment comprising air diffuser apparatus capable of intermittent/continuous aeration and its aeration method

#100
20160023165
2016-01-28

SINGLE FILTER CARTRIDGE FOR REMOVING CONTAMINATES FROM WATER

#101
20150336057
2015-11-26

Open bottom multiple channel gas delivery device for immersed membranes

#102
20150298035
2015-10-22

System for reducing product losses, product dilution, chemical dilution and water consumption in a crossflow membrane separation system

#103
20150290563
2015-10-15

Open bottom multiple channel gas delivery device for immersed membranes

#104
20150265973
2015-09-24

Gas scouring apparatus for immersed membranes

#105
20150238980
2015-08-27

Integrated cyclone separation device

#106
20150182919
2015-07-02

Aerator device and filter system including the same

#107
20150174809
2015-06-25

Production method of deformed porous hollow fiber membrane

#108
20150151224
2015-06-04

Aeration diffuser for pressurized liquid treatment module and method of operating same

#109
20150144555
2015-05-28

Filtration apparatus

#110
20150122715
2015-05-07

Fluid control manifold for membrane filtration system

#111
20140326682
2014-11-06

Method and assembly for water filtration using a tube manifold to minimize backwash

#112
20140319037
2014-10-30

Aeration unit and filtering apparatus comprising the same

#113
20140158618
2014-06-12

Membrane cleaning with pulsed airlift pump

#114
20140083940
2014-03-27

Membrane cleaning with pulsed airlift pump

#115
20140076806
2014-03-20

Aerator device, filter system including an aerator device, and method of aerating a filter using an aerator device

#116
20140042084
2014-02-13

METHOD AND APPARATUS FOR CLEANING A FILTRATION CASSETTE OF A MEMBRANE BIO-REACTOR

#117
20130319942
2013-12-05

FLUORINE TREATMENT OF DIFFUSER MEMBRANES USED IN WASTEWATER AERATION

#118
20130270191
2013-10-17

Nanoflotation

#119
20130264282
2013-10-10

Process, apparatus and membrane bioreactor for wastewater treatment

#120
20130264251
2013-10-10

Membrane module protection

#121
20130233715
2013-09-12

Internal gas and liquid distributor for electrodeionization device

#122
20130228514
2013-09-05

Filtration method for operating a filtration module with gas feed at its permeate side to prevent backflow of permeate

#123
20130213886
2013-08-22

System and method for filtration

#124
20130213227
2013-08-22

Arrangement and method for separating oxygen

#125
20130199994
2013-08-08

Submerged hollow fiber membrane module

#126
20130175217
2013-07-11

Pulse aeration for immersed membranes

#127
20130146548
2013-06-13

IMMERSED SCREEN AND METHOD OF OPERATION

#128
20130098821
2013-04-25

Water filtration module and method for the manufacture and use thereof

#129
20130075322
2013-03-28

Cleaning device of membrane filtration apparatus

#130
20130048560
2013-02-28

Membrane filter system

#131
20130043189
2013-02-21

Filtration device having internal recirculation

#132
20130043187
2013-02-21

Hollow fiber membrane module for use in a tubular pressure vessel

#133
20130037467
2013-02-14

Fluid flow distribution device

#134
20130032526
2013-02-07

Membrane unit and membrane separation device

#135
20130020261
2013-01-24

FILTERING METHOD OF WATER TO BE TREATED

#136
20130015130
2013-01-17

PULSE AERATION FOR IMMERSED MEMBRANES

#137
20120325742
2012-12-27

Gas sparger for a filtering membrane

#138
20120312697
2012-12-13

COutilization in electrochemical systems

#139
20120292248
2012-11-22

Hollow-fibre membrane module

#140
20120285885
2012-11-15

MEMBRANE CLEANING WITH PULSED GAS SLUGS

#141
20120285874
2012-11-15

IMMERSION TYPE MEMBRANE MODULE UNIT AND MEMBRANE SEPARATION ACTIVATED SLUDGE PROCESS EQUIPMENT

#142
20120234083
2012-09-20

Device and method for testing reverse osmosis membranes

#143
20120187048
2012-07-26

SYSTEMS AND METHODS FOR SCOURING MEMBRANE BIOREACTORS

#144
20120187043
2012-07-26

IMMERSION MEMBRANE APPARATUS CLEANING PROCESS AND IMMERSION MEMBRANE APPARATUS

#145
20120125850
2012-05-24

Deformed porous hollow fiber membrane, production method of deformed porous hollow fiber membrane, and module, filtration device, and water treatment method in which deformed porous hollow fiber membrane is used

#146
20120097596
2012-04-26

FILTERING SYSTEM

#147
20120091602
2012-04-19

Integrated gas sparger for an immersed membrane

#148
20120074053
2012-03-29

Fluid control manifold for membrane filtration system

#149
20120061333
2012-03-15

Membrane cleaning with pulsed airlift pump

#150
20120024784
2012-02-02

Fluid Gasification/Degasification Apparatuses, Systems, and Processes

#151
20120006739
2012-01-12

CAPILLARY MEMBRANE FILTRATION MODULE

#152
20110303594
2011-12-15

Flat plate membrane bioreactor with a liquid air separator

#153
20110272335
2011-11-10

IMMERSED MEMBRANE CASSETTE AND METHOD OF OPERATION

#154
20110263009
2011-10-27

METHOD FOR THE FILTRATION OF A BIOREACTOR LIQUID FROM A BIOREACTOR; CROSS-FLOW MEMBRANE MODULE, AND BIOREACTOR MEMBRANE SYSTEM

#155
20110220572
2011-09-15

FILTERING SYSTEM AND METHOD

#156
20110220564
2011-09-15

Reverse osmosis for maple tree sap

#157
20110198283
2011-08-18

Membrane cleaning with pulsed airlift pump

#158
20110198277
2011-08-18

FILTRATION APPARATUS

#159
20110133348
2011-06-09

Diffuser for aeration

#160
20110114551
2011-05-19

SUBMERGED HOLLOW FIBER MEMBRANE MODULE

#161
20110100907
2011-05-05

Membrane cleaning with pulsed airlift pump

#162
20110100895
2011-05-05

Membrane module for fluid filtration

#163
20110094964
2011-04-28

MEMBRANE FILTER FOR WATER TREATMENT

#164
20110089013
2011-04-21

Apparatus of produced water treatment, system and method of using the apparatus, and method of water reuse by using the same

#165
20110049047
2011-03-03

Gas sparger for an immersed membrane

#166
20100326897
2010-12-30

MEMBRANE FILTRATION MODULE WITH ADJUSTABLE HEADER SPACING

#167
20100300968
2010-12-02

MEMBRANE CLEANING WITH PULSED GAS SLUGS

#168
20100300947
2010-12-02

Membrane module and membrane bioreactor, water treatment equipment using the same

#169
20100264084
2010-10-21

Apparatus for water treatment and method of treating water

#170
20100252501
2010-10-07

Quick connect modular water purification system

#171
20100230293
2010-09-16

COutilization in electrochemical systems

#172
20100224545
2010-09-09

Membrane Module for Fluid Filtration

#173
20100224541
2010-09-09

Fine bubble diffusing pipe, fine bubble diffusing apparatus, and submerged membrane separation apparatus

#174
20100224540
2010-09-09

Membrane module for fluid filtration

#175
20100213124
2010-08-26

SUBMERGED MEMBRANE SEPARATION APPARATUS AND METHOD FOR OPERATION THEREOF

#176
20100200505
2010-08-12

MEMBRANE FILTER FOR WATER TREATMENT

#177
20100176070
2010-07-15

FILTER RENEWAL SYSTEM AND A METHOD THEREOF

#178
20100170847
2010-07-08

MEMBRANE CLEANING USING AN AIRLIFT PUMP

#179
20100155334
2010-06-24

Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module assembly and method of purifying suspended water with use thereof

#180
20100116683
2010-05-13

Low energy 4-cell electrochemical system with carbon dioxide gas

#181
20100013110
2010-01-21

Device for gassing a liquid

#182
20100000941
2010-01-07

Simple gas scouring method and apparatus

#183
20100000935
2010-01-07

MEMBRANE ELEMENT, MEMBRANE UNIT, AND MULTI-DECK MEMBRANE UNIT

#184
20090236280
2009-09-24

Filtration apparatus

#185
20090194477
2009-08-06

Intermittent gas flow apparatus and membrane separation apparatus

#186
20090152198
2009-06-18

MEMBRANE FILTER FOR WATER TREATMENT

#187
20090107916
2009-04-30

MODULE CLEANING METHOD

#188
20090101569
2009-04-23

Sludge filtration apparatus and filter assembly thereof

#189
20090051057
2009-02-26

Diffuser for aeration

#190
20090026140
2009-01-29

Floating porous hollow fiber membrane bundle

#191
20080302716
2008-12-11

Hollow Fiber Membrane Module and Method for Making Thereof

#192
20080190846
2008-08-14

Assembly for water filtration using a tube manifold to minimise backwash

#193
20080156745
2008-07-03

Continuously variable aeration

#194
20080116128
2008-05-22

Hollow fiber membrane cartridge

#195
20080105605
2008-05-08

Water treating apparatus

#196
20080099399
2008-05-01

Filtration system

#197
20080073214
2008-03-27

Electrodialysis apparatus and electrodialysis method using the same

#198
20080035563
2008-02-14

Immersed-Membrane Water Treating Filtering Device Comprising Means Preventing Filterable Medium Backflowing to Filter Cleaning Gas Injecting Means

#199
20080017558
2008-01-24

Methods and Devices for Improved Aeration From Vertically-Orientated Submerged Membranes

#200
20070289917
2007-12-20

SEPARATION SYSTEM AND METHOD OF OPERATING

#201
20070261554
2007-11-15

Air separation membrane module with variable sweep stream

#202
20070163942
2007-07-19

Hollow fiber membrane module

#203
20070151916
2007-07-05

NETWORK FOR SUPPORTING SPIRAL WOUND MEMBRANE CARTRIDGES FOR SUBMERGED OPERATION

#204
20070144969
2007-06-28

METHOD AND SYSTEM FOR FILTERING SEDIMENT-BEARING FLUIDS

#205
20070102339
2007-05-10

Membrane filtration apparatus and process optionally for sand filter retrofit

#206
20070080111
2007-04-12

MEMBRANE FILTER FOR WATER TREATMENT

#207
20070075021
2007-04-05

Module cleaning method

#208
20060260998
2006-11-23

Filtration device

#209
20060196831
2006-09-07

Membrane filter for water treatment

#210
20060175243
2006-08-10

Membrane filtration module with adjustable header spacing

#211
20060054552
2006-03-16

Membrane bioreactor, process and aerator

#212
20060033220
2006-02-16

Cyclic aeration system for submerged membrane modules

#213
20060021929
2006-02-02

Removal system for membranes in a membrane filtration system

#214
20050247200
2005-11-10

Moisture exchange module containing a bundle of moisture-permeable hollow fiber membranes

#215
20050199551
2005-09-15

Method and system for filtering sediment-bearing fluids

#216
20050139538
2005-06-30

Aeration method

#217
20050123727
2005-06-09

Membrane modules and integrated membrane cassettes

#218
20050110172
2005-05-26

Humidifier

#219
20050109692
2005-05-26

Apparatus and method for cleaning membrane filtration modules

#220
20050061725
2005-03-24

Membrane bioreactor, process and aerator