ClassID:

30838

B01D2321/02 - CPC Classification

Classification description:

Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling Forward flushing

Recent Application in this class:
#1
20260131286
2026-05-14

WATER TREATMENT SYSTEMS

#2
20260097367
2026-04-09

FILTER CLEANING METHODS AND APPARATUSES

#3
20260049910
2026-02-19

SYSTEM FOR CONCENTRATING AND CAPTURING TARGET MATERIAL FROM LIQUID SAMPLES

#4
20260042065
2026-02-12

ELECTRODIALYSIS PROCESS WITH ACTIVE FOULANT REMOVAL SEQUENCE

#5
20260022035
2026-01-22

METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE

#6
20250387756
2025-12-25

CONTROL METHOD FOR RO SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#7
20250281883
2025-09-11

MULTISTAGE CROSS-FLOW MEMBRANE FILTRATION SYSTEM AND A METHOD FOR CLEANING SUCH A SYSTEM

#8
20250205645
2025-06-26

Portable Membrane Filtration

#9
20240375056
2024-11-14

MEMBRANE SYSTEM AND METHOD FOR FILTERING SUSPENDED SOLIDS DURING MEMBRANE CLEANING

#10
20240307824
2024-09-19

Method for controlling hollow fiber nanofiltration membrane system with controllable power consumption

#11
20240278181
2024-08-22

WATER PURIFIER

#12
20240269357
2024-08-15

FLUID TREATMENT METHOD AND FLUID TREATMENT DEVICE

#13
20240217855
2024-07-04

SELF-MEDIATED SALTLESS WHOLE HOME WATER TREATMENT SYSTEMS AND METHODS

#14
20240216868
2024-07-04

SYSTEM FOR MONITORING A FLUID AND CONTROLLING A PROCESS IN A MEMBRANE FILTRATION PLANT

#15
20240017214
2024-01-18

Portable membrane filtration

#16
20230330601
2023-10-19

METHODS FOR TREATING POROUS MEMBRANES

#17
20230321605
2023-10-12

Bubble generation device and liquid filtration device

#18
20230285903
2023-09-14

METHOD FOR OPERATING DESALTING DEVICE

#19
20230271140
2023-08-31

METHOD FOR WASHING HOLLOW FIBER MEMBRANE MODULE

#20
20230211061
2023-07-06

OPTIMISING DIALYSER PERFORMANCE

#21
20230182080
2023-06-15

HIGH RECOVERY INTEGRATED UF/RO SYSTEM

#22
20230140839
2023-05-04

Techniques for managing scale formation in water filtration systems and a reverse osmosis (RO) and nanofiltration (NF) system implementing same

#23
20230067397
2023-03-02

Direct Production Of Lithium Hydroxide From Brine By Electrochemical Flow Cells

#24
20220314168
2022-10-06

Portable membrane filtration

#25
20220219123
2022-07-14

FILTRATION MEMBRANE TREATMENT DEVICE, MEMBRANE FILTRATION DEVICE, AND FILTRATION MEMBRANE TREATMENT METHOD

#26
20220176323
2022-06-09

Apparatus and a method for using permeate to flush a reverse osmosis filter

#27
20220080356
2022-03-17

Water purifier and control method for water purifier

#28
20220064021
2022-03-03

TECHNIQUES FOR MANAGING SCALE FORMATION IN WATER FILTRATION SYSTEMS AND A REVERSE OSMOSIS (RO) AND NANOFILTRATION (NF) SYSTEM IMPLEMENTING SAME

#29
20220001336
2022-01-06

Methods of Cleaning Filter Membranes in Wastewater Treatment

#30
20210402353
2021-12-30

TECHNIQUES FOR MANAGING SCALE FORMATION IN REVERSE OSMOSIS (RO) AND NANOFILTRATION (NF) SYSTEMS AND A HYBRID FILTRATION ARCHITECTURE IMPLEMENTING THE SAME

#31
20210339204
2021-11-04

Apparatus for using permeate to flush a reverse osmosis filter

#32
20210316254
2021-10-14

Non-hydrocarbon gas separation device and inorganic separation membrane regeneration method

#33
20210292189
2021-09-23

Techniques for managing scale formation in water filtration systems and a reverse osmosis (RO) and nanofiltration (NF) system implementing same

#34
20210260533
2021-08-26

Method for fouling reduction on the surface of ceramic membranes using steam fast-flushing

#35
20210162347
2021-06-03

Electrodialysis Process With Active Foulant Removal Sequence

#36
20210148797
2021-05-20

LIQUID TO LIQUID BIOLOGICAL PARTICLE FRACTIONATION AND CONCENTRATION

#37
20210146312
2021-05-20

PROCESS FOR CLEANING A MEMBRANE COMPRISING DRYING THE MEMBRANE

#38
20210140013
2021-05-13

Method for recovering an acid or base

#39
20210138406
2021-05-13

Method and apparatus for forward and reverse flushable filter system

#40
20200376437
2020-12-03

FILTRATION APPARATUS

#41
20200276540
2020-09-03

Method for processing a protein-containing suspension or protein-containing solution

#42
20200197873
2020-06-25

Self-cleaning and monitoring filtration system

#43
20200172569
2020-06-04

Method for preparing a composition comprising highly concentrated antibodies by ultrafiltration

#44
20200047126
2020-02-13

High recovery integrated UF/RO system

#45
20190381459
2019-12-19

Automated modular filtration system

#46
20190299165
2019-10-03

FEED PREPARATION OF FCC SLURRY OIL RETENTATE FOR DOWNSTREAM PROCESSING

#47
20190151799
2019-05-23

Filter membrane with bi-directional flow enhancing features

#48
20190083934
2019-03-21

Water purifier and control method for water purifier

#49
20190010070
2019-01-10

Membrane separation process

#50
20180345221
2018-12-06

System for purifying a liquid

#51
20180345220
2018-12-06

Method for purifying a liquid

#52
20180326327
2018-11-15

Self cleaning water filter unit

#53
20180280888
2018-10-04

REVERSE OSMOSIS TREATMENT APPARATUS AND REVERSE OSMOSIS TREATMENT METHOD

#54
20180221823
2018-08-09

Re-Circulation Loop in CFF/TFF Single Use Path Flow

#55
20180221822
2018-08-09

Method for enhancing filtration yields in tangential flow filtration system

#56
20180036675
2018-02-08

Continuous liquid desiccant dehumidification system

#57
20170274325
2017-09-28

WATER TREATMENT METHOD

#58
20170204135
2017-07-20

Method for preparing a composition comprising highly concentrated antibodies by ultrafiltration

#59
20170152154
2017-06-01

Reverse Osmosis System

#60
20170044029
2017-02-16

Filtration treatment system and filtration treatment method

#61
20170022585
2017-01-26

Uranium extraction plant, uranium recovery, and acid or base recovery

#62
20170015612
2017-01-19

Divalent ion removal from monoethylene glycol (MEG) feed streams

#63
20160346739
2016-12-01

FILTRATION APPARATUS

#64
20160200597
2016-07-14

Hyperfiltration system suitable for household use

#65
20160193569
2016-07-07

Cycling ultra-thin channel filtration

#66
20160185630
2016-06-30

Multifunctional method for membrane protection and biofouling control

#67
20160101389
2016-04-14

METHOD OF PERFORMING A CLEANING OPERATION ON A WATER FILTRATION DEVICE

#68
20160045872
2016-02-18

FILTRATION APPARATUS AND METHOD FOR CLEANING FILTRATION MODULE

#69
20160002130
2016-01-07

Divalent ion removal from monoethylene glycol (MEG) feed streams

#70
20150203927
2015-07-23

Method of producing sugar solution

#71
20150158746
2015-06-11

Method, apparatus and system for desalinating saltwater

#72
20150144555
2015-05-28

Filtration apparatus

#73
20150050598
2015-02-19

Methods for cleaning membranes used for filtering chemicals

#74
20150037319
2015-02-05

Method for preparing a composition comprising highly concentrated antibodies by ultrafiltration

#75
20140360937
2014-12-11

Reverse osmosis treatment device and method for cleaning reverse osmosis treatment device

#76
20140299532
2014-10-09

Filtration with internal fouling control

#77
20140231256
2014-08-21

Liquid to liquid biological particle fractionation and concentration

#78
20140091019
2014-04-03

System and method for filtration of liquids

#79
20130193059
2013-08-01

Reverse osmosis filter flush device and method

#80
20130026090
2013-01-31

Spiral wound element and seal assembly

#81
20120318736
2012-12-20

SPIRAL-TYPE FILTRATION MODULE, AND LIQUID TREATMENT METHOD AND DEVICE EMPLOYING THE SAME

#82
20110290723
2011-12-01

METHOD AND PLANT FOR MANAGING THE CLOGGING OF MEMBRANE MODULES AND FILTRATION MEMBRANES

#83
20110192794
2011-08-11

Advanced filtration device for water and wastewater treatment

#84
20110163016
2011-07-07

Reverse Osmosis System

#85
20110067737
2011-03-24

Method and apparatus for cleaning a film seperating device

#86
20110031192
2011-02-10

Filtration of corn starch followed by washing and collection of the resultant corn starch cake

#87
20110005987
2011-01-13

Submerged membrane separator and membrane cartridge

#88
20100200503
2010-08-12

CLEANING METHOD FOR SIMPLE FILTRATION SYSTEMS

#89
20100192976
2010-08-05

APPARATUS FOR CLEANING A MEMBRANE MODULE AND A METHOD THEREFOR

#90
20100163495
2010-07-01

System and method for filtration of liquids

#91
20100133183
2010-06-03

Filtration system

#92
20100101657
2010-04-29

Method and system for purging moisture from an oxygenator

#93
20090314712
2009-12-24

MEMBRANE FILTRATION OF A PRODUCT

#94
20090308797
2009-12-17

Hollow fiber membrane module and method for making thereof

#95
20090293917
2009-12-03

Cleaning system for flat-plate membrane cartridges

#96
20090218284
2009-09-03

Method of starting up a filtration plant and a filtration plant designed to be able to start up correspondingly

#97
20090194478
2009-08-06

Reverse Osmosis System

#98
20090173691
2009-07-09

Batch-operated reverse osmosis system with multiple membranes in a pressure vessel

#99
20090173690
2009-07-09

Batch-operated reverse osmosis system

#100
20090134092
2009-05-28

MEMBRANE FILTRATION DEVICE AND PROCESS

#101
20090120873
2009-05-14

Filtration with internal fouling control

#102
20090107916
2009-04-30

MODULE CLEANING METHOD

#103
20090107897
2009-04-30

AUTOMATIC FLUSHING APPARATUS OF MEMBRANE FILTER IN WATER PURIFIER

#104
20080277340
2008-11-13

Method for controlling fouling of a membrane filter

#105
20080209709
2008-09-04

Container uncapping mechanism and method

#106
20080166801
2008-07-10

Filtration system and method for obtaining a cytology layer

#107
20080164200
2008-07-10

Filtration system and method for obtaining a cytology layer

#108
20080149554
2008-06-26

Method and system to flush an RO system

#109
20080128354
2008-06-05

METHOD FOR WASHING FILTRATION MEMBRANES

#110
20080093296
2008-04-24

Separation of Solid Particles from the Liquid in Which They are Dispersed

#111
20080053923
2008-03-06

Methods and apparatus for removing solids from a membrane module

#112
20070295650
2007-12-27

Membrane filtration system

#113
20070267352
2007-11-22

METHOD AND SYSTEM FOR FILTERING SEDIMENT-BEARING FLUIDS

#114
20070210002
2007-09-13

CHEMICAL AND PROCESS FOR CLEANING MEMBRANES

#115
20070151212
2007-07-05

Specimen vial sealing apparatus and method

#116
20070095206
2007-05-03

Fuel deoxygenation system with multi-layer oxygen permeable membrane

#117
20070075021
2007-04-05

Module cleaning method

#118
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#119
20070023347
2007-02-01

Liquid separation apparatus

#120
20060120835
2006-06-08

Article handling system and method

#121
20060120834
2006-06-08

Article handling system and method

#122
20060091074
2006-05-04

Membrane filtration device and process

#123
20060049092
2006-03-09

Membrane bioreactor

#124
20050258098
2005-11-24

Method for regulating a membrane filtering installation

#125
20050205478
2005-09-22

Method and system to flush an RO system

#126
20050195684
2005-09-08

Apparatus and method for mixing specimens in vials

#127
20050139531
2005-06-30

Method and system for filtering sediment-bearing fluids

#128
20050127000
2005-06-16

Inverted air box aerator and aeration method for immersed membranes

#129
20050067341
2005-03-31

Continuous production membrane water treatment plant and method for operating same

#130
20050023198
2005-02-03

Fluid treatment system

#131
17556821
2024-04-30

Use of hollow fiber filtration in conjunction with precipitant technologies to reclaim water from complex aqueous waste streams

#132
16539951
2021-12-21

Use of hollow fiber filtration in conjunction with precipitant technologies to reclaim water from complex aqueous waste streams

#133
16105103
2020-12-15

Energy efficient low-fouling high-recovery reverse osmosis system for brackish water desalination