ClassID:

29863

B01D61/50 - 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; Apparatus therefor Stacks of the plate-and-frame type

Recent Application in this class:
#1
20250353761
2025-11-20

Methods and Systems for Ion Separation and Recovery

#2
20250196068
2025-06-19

ELECTRODIALYSIS PROCESS AND BIPOLAR MEMBRANE ELECTRODIALYSIS DEVICES FOR SILICA REMOVAL

#3
20250101364
2025-03-27

ELECTROCHEMICAL CO2 RELEASE AND PHOTOSYNTHETIC STORAGE

#4
20250091915
2025-03-20

Methods and Systems For Wastewater Treatment

#5
20250019277
2025-01-16

Sequentially Stacked Multi-Stage Desalination System and Method

#6
20240307797
2024-09-19

SPACERS FOR ION-EXCHANGE DEVICE

#7
20240182340
2024-06-06

System and Method for Dual-Pathway System for Carbon Dioxide Capture from Ocean Water

#8
20240139684
2024-05-02

ELECTRODIALYSIS STACK

#9
20240100483
2024-03-28

SINGLE PASS ELECTRO-SEPARATION SYSTEM

#10
20240050902
2024-02-15

Sub-block sealing for electrochemical separation devices

#11
20230322591
2023-10-12

ELECTRODIALYSIS DEVICE AND METHOD FOR SELECTIVE REMOVAL OF DRINKING WATER TARGET IONS

#12
20230256393
2023-08-17

SAMPLE CONCENTRATOR

#13
20230201775
2023-06-29

Fluid manifolds in electrodialysis devices

#14
20230182078
2023-06-15

Electrodialysis process and bipolar membrane electrodialysis devices for silica removal

#15
20230182075
2023-06-15

TWO-STAGE ELECTRODIALYSIS SYSTEM AND METHOD FOR RECOVERING WASTE CO2-LEAN AMINE SOLVENT

#16
20230182040
2023-06-15

Spacers for ion-exchange device

#17
20230107868
2023-04-06

Membranes and Their Uses

#18
20230100967
2023-03-30

Membrane Stacks and Their Uses

#19
20230050274
2023-02-16

Water deionization cells with flow channels packed with intercalation material

#20
20230017973
2023-01-19

Electrodialysis stack

#21
20220219098
2022-07-14

Spacers for ion-exchange device

#22
20220212124
2022-07-07

Spacers for ion-exchange device

#23
20220205431
2022-06-30

Electrochemical compressor

#24
20220203302
2022-06-30

CASSETTE TYPE ELECTRODIALYSIS UNIT AND MODULE COMPRISING THE SAME

#25
20220178356
2022-06-09

Electrochemical compressor

#26
20220126238
2022-04-28

Structures for normalizing multi-planar flow distribution within an electrochemical separation system

#27
20220112103
2022-04-14

Methods and systems for wastewater treatment

#28
20210394121
2021-12-23

Ion-exchange membrane having an imprinted non-woven substrate

#29
20210309545
2021-10-07

SYSTEM AND PROCESS FOR DESALINATING MONOVALENT ANION SPECIES FROM WASTEWATER

#30
20210291115
2021-09-23

Method for Preparing a Membrane Stack, Membrane Stack and Use of the Membrane Stack

#31
20210276893
2021-09-09

Device and method for the electrodeionization of a liquid

#32
20210220540
2021-07-22

DIALYSATE FREE ARTIFICIAL KIDNEY DEVICE

#33
20210213389
2021-07-15

Biomimetically designed modular microfluidic-based capillaries and lymphatic units for kidney and liver dialysis systems, organ bio-reactors and bio-artificial organ support systems

#34
20210155508
2021-05-27

Water production for coffee brewing by electrodeionization

#35
20210129082
2021-05-06

Stack Assembly

#36
20210069646
2021-03-11

Electrodialysis device for the desalination of water for oil and gas applications

#37
20210069645
2021-03-11

Multi-stage bipolar electrodialysis system for high concentration acid or base production

#38
20210001276
2021-01-07

Fluid manifolds in electrodialysis devices

#39
20200406194
2020-12-31

Electrodialysis process and bipolar membrane electrodialysis devices for silica removal

#40
20200155967
2020-05-21

Spacers for ion-exchange device

#41
20200129926
2020-04-30

Sub-block sealing for electrochemical separation devices

#42
20200070095
2020-03-05

Electrodialysis stack

#43
20200016540
2020-01-16

Ion-exchange membrane having an imprinted non-woven substrate

#44
20190112204
2019-04-18

Water treatment device

#45
20190046928
2019-02-14

Multipurpose membrane cell stack and method of manufacturing the same

#46
20190046927
2019-02-14

Desalination

#47
20190015784
2019-01-17

Capacitive Electro Dialysis Reversal

#48
20180353909
2018-12-13

Membrane stack and method for making the same

#49
20180238825
2018-08-23

Electrolytic four-channel device and method

#50
20180170775
2018-06-21

Process and system for removing ammonium from wastewater

#51
20180154312
2018-06-07

Bipolar electrodialysis methods and systems

#52
20180148342
2018-05-31

Method for manufacturing lithium hydroxide and lithium carbonate, and device therefor

#53
20180111093
2018-04-26

Structures for normalizing multi-planar flow distribution within an electrochemical separation system

#54
20180093030
2018-04-05

Dialysate free artificial kidney device

#55
20170252701
2017-09-07

Biomimetically designed modular microfluidic-based capillaries and lymphatic units for kidney and liver dialysis systems, organ bio-reactors and bio-artificial organ support systems

#56
20170136413
2017-05-18

Reverse electrodialysis device having enhanced maximum power density with ultra-thin ion exchange membranes

#57
20170088445
2017-03-30

Apparatus and process for separation and selective recomposition of ions

#58
20170056828
2017-03-02

Membrane stacks

#59
20170056826
2017-03-02

Membrane stacks

#60
20170001146
2017-01-05

Disposable membrane stacks

#61
20160346737
2016-12-01

Cross-flow electrochemical separation devices and methods of assembling same

#62
20160310902
2016-10-27

ELECTRODIALYSIS SPACER AND STACK

#63
20160310901
2016-10-27

MODULAR MEMBRANE STACK DESIGN

#64
20160229718
2016-08-11

Apparatus and process for separation and selective recomposition of ions

#65
20160009573
2016-01-14

Flow distributors for electrochemical separation

#66
20150218019
2015-08-06

Electrical deionization apparatus

#67
20150182915
2015-07-02

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

#68
20150158746
2015-06-11

Method, apparatus and system for desalinating saltwater

#69
20150096891
2015-04-09

Method, Apparatus And System For Desalinating Saltwater

#70
20150076005
2015-03-19

Electrolytic four-channel device and method

#71
20150021184
2015-01-22

Carbon dioxide capture using resin-wafer electrodeionization

#72
20140318972
2014-10-30

Desalination and purification system

#73
20140251810
2014-09-11

Method for regenerating aqueous dispersions and cell package for electrodialysis

#74
20140231004
2014-08-21

Method for producing dialysis tank chamber frame

#75
20140202862
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#76
20140202861
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#77
20140054173
2014-02-27

Electrodialysis unit for water treatment

#78
20140008227
2014-01-09

Electrodialysis unit for water treatment

#79
20130292248
2013-11-07

Carbon dioxide capture using resin-wafer electrodeionization

#80
20130277220
2013-10-24

Method for manufacturing adsorptive ball for recovering precious metals and flow through-continuous deionization (FT-CDI) apparatus using the same

#81
20130220830
2013-08-29

Electronic control of pH and ionic strength

#82
20130105325
2013-05-02

Apparatus for compression of a stack and for a water treatment system

#83
20130092542
2013-04-18

Apparatus and method for removal of ions

#84
20130017416
2013-01-17

Membrane stack for a membrane based process and method for producing a membrane therefor

#85
20120292187
2012-11-22

Reverse electrodialysis supported microbial fuel cells and microbial electrolysis cells

#86
20120279861
2012-11-08

Method for desalinating saltwater using concentration gradient energy

#87
20120168313
2012-07-05

Electrodeionization device and method with improved scaling resistance

#88
20120152747
2012-06-21

High-pressure electrodialysis device

#89
20120118744
2012-05-17

Electrochemical separation modules

#90
20120118743
2012-05-17

Electrical purification apparatus

#91
20120118742
2012-05-17

Techniques for promoting current efficiency in electrochemical separation systems and methods

#92
20120118738
2012-05-17

Method of providing a source of potable water

#93
20120118731
2012-05-17

Flow distributors for electrochemical separation

#94
20120118730
2012-05-17

Modular electrochemical systems and methods

#95
20120118729
2012-05-17

Modular electrochemical systems and methods

#96
20120118728
2012-05-17

Electrical purification apparatus having a blocking spacer

#97
20120117789
2012-05-17

Methods of making a cell stack for an electrical purification apparatus

#98
20120097541
2012-04-26

Apparatus and process for separation and selective recomposition of ions

#99
20120080314
2012-04-05

Split flow EDI apparatus for treating second pass RO permeate water with high flow rate

#100
20120024704
2012-02-02

Modular apparatus for a saltwater desalinating system, and method for using same

#101
20110308953
2011-12-22

Method and apparatus for desalination and purification

#102
20110284376
2011-11-24

Systems and techniques for electrodialysis

#103
20110278171
2011-11-17

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

#104
20110089036
2011-04-21

Method for desalinating saltwater using concentration difference energy

#105
20110086291
2011-04-14

Membrane, cell, device and method for (reverse) electrodialysis

#106
20110068008
2011-03-24

Method, Apparatus And Plant For Desalinating Saltwater Using Concentration Difference Energy

#107
20100326833
2010-12-30

APPARATUS AND SYSTEM FOR DEIONIZATION

#108
20100300894
2010-12-02

Carbon dioxide capture using resin-wafer electrodeionization

#109
20100133115
2010-06-03

DEVICES AND METHODS FOR ACID AND BASE GENERATION

#110
20100078327
2010-04-01

Deionization apparatus, electrode module for the same and method for manufacturing the same

#111
20090314718
2009-12-24

Method for desalinating saltwater using concentration difference energy

#112
20090204050
2009-08-13

Method and system for colloid exchange therapy

#113
20090152117
2009-06-18

Electrodialysis apparatus, waste water treatment method and fluorine treatment system

#114
20080237045
2008-10-02

INJECTION BONDED ARTICLES AND METHODS OF FABRICATION AND USE THEREOF

#115
20070209942
2007-09-13

Device for separating anolyte from catholyte in electrolyzer

#116
20070205107
2007-09-06

Electrodialysis Compartment and Cell, Method of Mounting an Electrodialyser, and Electrodialyser

#117
20070170061
2007-07-26

Method for separating/refining cationic protein

#118
20070138008
2007-06-21

Spacer for filled cell electrodialysis

#119
20060163138
2006-07-27

Method and system for colloid exchange therapy

#120
20060091013
2006-05-04

Electric demineralizer

#121
20060037862
2006-02-23

Electrodeionization apparatus

#122
20060027457
2006-02-09

Apparatus for electrodeionization and method for operating the same

#123
20050242030
2005-11-03

Device and process for membrane electrophoresis and electrofiltration

#124
20050183956
2005-08-25

Electrodialysis device

#125
20050150768
2005-07-14

Multi-path split cell spacer and electrodialysis stack design

#126
20050016932
2005-01-27

Electrodeionization device and methods of use