ClassID:

29865

B01D61/54 - CPC Classification

Classification description:

Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor; Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization; Ion-selective electrodialysis Controlling or regulating

Recent Application in this class:
#1
20260151736
2026-06-04

BIPOLAR MEMBRANE ELECTRODIALYZER AND METHOD FOR OPERATING SAME

#2
20260102740
2026-04-16

Electrodialysis Systems and Methods

#3
20260042066
2026-02-12

Direct-drive Electrodialysis Separation Using Flow-commanded Current Control

#4
20260042065
2026-02-12

ELECTRODIALYSIS PROCESS WITH ACTIVE FOULANT REMOVAL SEQUENCE

#5
20250270125
2025-08-28

Ocean Alkalinity Release APPARATUS AND METHOD

#6
20250269329
2025-08-28

MICROFLOW SYNTHESIS UNIT

#7
20250236542
2025-07-24

DEVICE AND METHOD FOR WATER ELECTROLYZER CAPABLE OF SIMULTANEOUS DESALINATION THROUGH NANOELECTROKINETIC ION CONCENTRATION POLARIZATION

#8
20250186947
2025-06-12

SYSTEM FOR REDOX SHUTTLE SOLUTION MONITORING

#9
20250153105
2025-05-15

ELECTRODIALYSIS DEVICE

#10
20250122103
2025-04-17

Fluid Purification Methods, Devices, and Systems

#11
20250091013
2025-03-20

Three-Compartment Bipolar Membrane Electrodialysis Of Salts Of Amino Acids

#12
20240335793
2024-10-10

EXTRACTION OF AMMONIA AND SULFURIC ACID FROM AMMONIUM-SULFATE-RICH (WASTE) WATERS

#13
20240301533
2024-09-12

METAL RECOVERY SYSTEM AND METAL RECOVERY METHOD

#14
20240286935
2024-08-29

REMOVAL OF HEAT STABLE AMINE SALTS FROM LIQUID STREAMS AND RELATED PROCESSES

#15
20240182330
2024-06-06

ELECTRODEIONIZATION SYSTEM AND CONTROL METHOD FOR ELECTRODEIONIZATION SYSTEM

#16
20240157300
2024-05-16

METHOD FOR CONTROLLING ELECTRODEIONIZATION DEVICE

#17
20240132389
2024-04-25

Treatment of saline water for agricultural and potable use

#18
20240109038
2024-04-04

Water Purification System And Method

#19
20230331586
2023-10-19

CONTROL METHOD FOR ULTRAPURE WATER PRODUCING APPARATUS

#20
20230241554
2023-08-03

Simplified Architecture for Desalination via Electrodialysis

#21
20230226494
2023-07-20

PROCESS AND APPARATUS FOR HIGH RECOVERY IN ELECTRODIALYSIS AND ELECTRODEIONIZATION SYSTEMS

#22
20230201775
2023-06-29

Fluid manifolds in electrodialysis devices

#23
20230146806
2023-05-11

APPARATUS AND METHOD FOR PREPARING DIALYZATE

#24
20230145861
2023-05-11

WATER CONDITIONING SYSTEM OF AN EDR WATER PURIFIER

#25
20230131310
2023-04-27

SWITCHING SYSTEM OF EDR WATER PURIFIER WITH THREE-WAY SOLENOID VALVE

#26
20230129450
2023-04-27

SWITCHING SYSTEM FOR EDR WATER PURIFIER WITH MULTIPLE SOLENOID VALVES

#27
20230127653
2023-04-27

SWITCHING SYSTEM OF EDR WATER PURIFIER WITH FOUR WAY SOLENOID VALVE

#28
20230103623
2023-04-06

DEVICE AND METHOD FOR PRODUCING DIALYSATE

#29
20230075109
2023-03-09

FLOW CONTROL FOR REVERSE OSMOSIS FILTER

#30
20230059547
2023-02-23

WATER SOFTENING INTERCALATION SYSTEMS

#31
20230028078
2023-01-26

Suppressor device for ion chromatograph

#32
20220410070
2022-12-29

System for redox shuttle solution monitoring

#33
20220401883
2022-12-22

TIME-VARIANT, MULTI-STAGE CONTROL SYSTEM

#34
20220388880
2022-12-08

WATER TREATMENT SYSTEM, ULTRAPURE WATER PRODUCING SYSTEM AND WATER TREATMENT METHOD

#35
20220371914
2022-11-24

Docking Station for Mobile Deionization Trailers and Related Methods

#36
20220226780
2022-07-21

FILTER UNIT AND SEPARATION DEVICE AND SEPARATION METHOD FOR FLUID

#37
20220097004
2022-03-31

METHOD AND SYSTEM FOR REMOVING CARBON DIOXIDE FROM AIR

#38
20220047994
2022-02-17

PROCESS OF ELECTRODIALYSIS FOR STABILIZING WINES WITH LOW WATER CONSUMPTION

#39
20220040642
2022-02-10

Ion-Selective Separation by Shock Electrodialysis

#40
20210340031
2021-11-04

High Recovery Electrodialysis Method

#41
20210339199
2021-11-04

ACIDIC TREATMENT LIQUID PROCESSING APPARATUS, ACIDIC TREATMENT LIQUID PROCESSING METHOD, SURFACE TREATMENT SYSTEM, AND SURFACE TREATMENT METHOD

#42
20210339198
2021-11-04

ACIDIC TREATMENT LIQUID PROCESSING APPARATUS AND ACIDIC TREATMENT LIQUID PROCESSING METHOD

#43
20210285111
2021-09-16

Method and Device for the Electrochemical Utilization of Carbon Dioxide

#44
20210276893
2021-09-09

Device and method for the electrodeionization of a liquid

#45
20210230024
2021-07-29

CONTROLLED PRODUCED WATER DESALINATION FOR ENHANCED HYDROCARBON RECOVERY

#46
20210229040
2021-07-29

Three-compartment bipolar membrane electrodialysis of salts of amino acids

#47
20210220540
2021-07-22

DIALYSATE FREE ARTIFICIAL KIDNEY DEVICE

#48
20210171382
2021-06-10

SWRO and MCDI coupled seawater desalination device system with energy recovery

#49
20210163320
2021-06-03

Fluid purification methods, devices, and systems

#50
20210162347
2021-06-03

Electrodialysis Process With Active Foulant Removal Sequence

#51
20210077954
2021-03-18

Method and Apparatus for Onsite Generation and Recovery of Acid and Base Cleaning Solutions

#52
20210001276
2021-01-07

Fluid manifolds in electrodialysis devices

#53
20200385299
2020-12-10

Treatment of saline water for agricultural and potable use

#54
20200230555
2020-07-23

Method and device for asymmetric polarity inversion in electromembrane processes

#55
20190112204
2019-04-18

Water treatment device

#56
20190092660
2019-03-28

Fluid purification methods, devices, and systems

#57
20190029793
2019-01-31

Implantable systems and methods for removing specific impurities from fluids such as blood

#58
20180369755
2018-12-27

Electrochemical cell, water treatment device provided with same, and operating method for water treatment device

#59
20180362370
2018-12-20

Electrodialysis systems and methods for desalination

#60
20180327287
2018-11-15

System for regenerating sodium hydroxide and sulfuric acid from waste water stream containing sodium and sulfate ions

#61
20180326356
2018-11-15

Deionization filter device and water treatment device comprising deionization filter device

#62
20180318767
2018-11-08

Water Purification System And Method

#63
20180093030
2018-04-05

Dialysate free artificial kidney device

#64
20170210644
2017-07-27

Process and apparatus for multivalent ion desalination

#65
20170088445
2017-03-30

Apparatus and process for separation and selective recomposition of ions

#66
20170014758
2017-01-19

Conversion of gas and treatment of a solution

#67
20170001887
2017-01-05

Fluid purification methods, devices, and systems

#68
20160340214
2016-11-24

Fluid purification methods, devices, and systems

#69
20160250596
2016-09-01

Modulation of ion transport in a liquid by application of an electric potential on a mesoporous carbon membrane

#70
20160229718
2016-08-11

Apparatus and process for separation and selective recomposition of ions

#71
20160228821
2016-08-11

Electrolyte chemistry control in electrodialysis processing

#72
20160152492
2016-06-02

Electrodialysis

#73
20160081786
2016-03-24

Implantable systems and methods for removing specific impurities from fluids such as blood

#74
20150299003
2015-10-22

Electrodesalination system and method

#75
20150290588
2015-10-15

SIGNAL RESPONSIVE SOLUTES

#76
20150290576
2015-10-15

BIPOLAR ELECTRODIALYZER AND PURIFICATION METHOD FOR AMINE FLUID USING SAME

#77
20150182915
2015-07-02

Method and system for improved process parameter control of a liquid composition in a reverse electro-enhanced dialysis (REED) system

#78
20150158747
2015-06-11

DEIONIZATION FILTER, WATER TREATMENT APPARATUS COMPRISING DEIONIZATION FILTER, AND METHOD FOR REGENERATING DEIONIZATION FILTER

#79
20150158746
2015-06-11

Method, apparatus and system for desalinating saltwater

#80
20150096891
2015-04-09

Method, Apparatus And System For Desalinating Saltwater

#81
20140202862
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#82
20140202861
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#83
20140054173
2014-02-27

Electrodialysis unit for water treatment

#84
20140027288
2014-01-30

Electrochemical ion exchange treatment of fluids

#85
20130277219
2013-10-24

Electronic protein fractionation

#86
20130248371
2013-09-26

Electrodeionization device and method comprising control of the electric current by measurement of ion-exchange material expansion

#87
20130199931
2013-08-08

Electrochemically regenerated water deionization

#88
20130087488
2013-04-11

Electrolytic apparatus with circulator, reverse osmosis filter, and cooler, for producing reducing water

#89
20120279861
2012-11-08

Method for desalinating saltwater using concentration gradient energy

#90
20120232458
2012-09-13

Implantable systems and methods for removing specific impurities from fluids such as blood

#91
20120145550
2012-06-14

APPARATUS FOR REMOVING IONS IN COOLING WATER FOR FUEL CELL VEHICLE

#92
20120138467
2012-06-07

Electrodeionization device and method comprising control of the electric current by measurement of ion-exchange material expansion

#93
20120097541
2012-04-26

Apparatus and process for separation and selective recomposition of ions

#94
20110284376
2011-11-24

Systems and techniques for electrodialysis

#95
20110278171
2011-11-17

Method and system for improved process parameter control of a liquid composition in a reverse electro-enhanced dialysis (REED) system

#96
20110120953
2011-05-26

WATER TREATMENT SYSTEM AND METHOD

#97
20110089036
2011-04-21

Method for desalinating saltwater using concentration difference energy

#98
20110042218
2011-02-24

Cartridge having textured membrane

#99
20100326833
2010-12-30

APPARATUS AND SYSTEM FOR DEIONIZATION

#100
20090204050
2009-08-13

Method and system for colloid exchange therapy

#101
20090127117
2009-05-21

HIGH PRESSURE-RESISTANT TYPE ELECTRICAL DEIONIZATION APPARATUS, HIGH PRESSURE-RESISTANT TYPE ELECTRICAL DEIONIZATION SYSTEM AND METHOD OF PRODUCING ULTRAPURE WATER USING HIGH PRESSURE-RESISTANT TYPE DEIONIZATION SYSTEM

#102
20080156710
2008-07-03

Pure water producing apparatus

#103
20070278099
2007-12-06

Method and apparatus for shifting current distribution in electrodeionization systems

#104
20070215474
2007-09-20

Electrodialysis system and process

#105
20070175766
2007-08-02

Regeneration of electrolytic ion exchange cells

#106
20070108056
2007-05-17

Electrochemical ion exchange treatment of fluids

#107
20070023290
2007-02-01

Electrochemical ion exchange with textured membranes and cartridge

#108
20060231406
2006-10-19

Regeneration of adsorption media within electrical purification apparatuses

#109
20060163138
2006-07-27

Method and system for colloid exchange therapy

#110
20060157422
2006-07-20

Water treatment system and method

#111
20060027457
2006-02-09

Apparatus for electrodeionization and method for operating the same

#112
20050103723
2005-05-19

Water treatment system and method

#113
20050103722
2005-05-19

Water treatment system and method

#114
20050051485
2005-03-10

Electrodialysis method and apparatus for trace metal analysis

#115
20050029124
2005-02-10

Selectable ion concentrations with electrolytic ion exchange

#116
20050017114
2005-01-27

Household apparatus using a liquid, comprising a purifying system of the type in which at least a substance must be removed form said liquid