ClassID:

29822

B01D61/005 - 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; Forward osmosis or direct osmosis Osmotic agents; Draw solutions

Recent Application in this class:
#1
20260015275
2026-01-15

THERMAL DRIVEN WATER DESALINATION SYSTEM USING FORWARD OSMOSIS

#2
20250323303
2025-10-16

Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use Thereof

#3
20250281886
2025-09-11

REDUCED GRAPHENE OXIDE FORWARD OSMOSIS MEMBRANES, AND FABRICATION METHODS AND APPLICATIONS OF SAME

#4
20250222406
2025-07-10

METHODS OF PROCESSING BRINE COMPRISING LITHIUM

#5
20250186948
2025-06-12

SUSTAINABLE NUTRIENT WATER RECOVERY BY HYBRID ELECTRODIALYSIS - FORWARD OSMOSIS PROCESS

#6
20250114743
2025-04-10

Concentration Method and Concentration System for Raw Material Liquid

#7
20250065269
2025-02-27

DRAW SOLUTION, WATER TREATMENT METHOD, AND WATER TREATMENT APPARATUS

#8
20240396069
2024-11-28

Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use Thereof

#9
20240325977
2024-10-03

CONCENTRATION METHOD FOR ANALYSIS SOLUTION USING FORWARD OSMOSIS MEMBRANE, AND ANALYSIS METHOD

#10
20240294412
2024-09-05

METHOD AND APPARATUS FOR DESALINATION OF HIGH-SALT AND HIGH-CONCENTRATION ORGANIC WASTEWATER BY COUPLING THREE MEMBRANE SEPARATION TECHNOLOGIES

#11
20240199462
2024-06-20

Segregation and treatment of waste water streams for enhanced oil recovery

#12
20240194918
2024-06-13

FORWARD OSMOSIS PROCESS TO INCREASE THE CONCENTRATION OF A DILUTE METAL SALT SOLUTION AND RELATED PROCESSES

#13
20240166574
2024-05-23

Organic Material Liquid Dehydration Method

#14
20240162468
2024-05-16

Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof

#15
20240157298
2024-05-16

Draw Solute and Water Treatment Equipment

#16
20240124340
2024-04-18

DECOMPOSITION OF GAS FIELD CHEMICALS

#17
20240084231
2024-03-14

Method and system for producing ultra-high gravity alcoholic beverages

#18
20230399245
2023-12-14

PROCESS AND SYSTEM INCLUDING PRESSURE RETARDED OSMOSIS MEMBRANE FOR INDIRECT SEAWATER ELECTROLYSIS

#19
20230398493
2023-12-14

SYSTEM FOR REVERSE OSMOSIS AND FOR PRESSURE RETARDED OSMOSIS

#20
20230356149
2023-11-09

Feedstock Solution Flow Concentration System

#21
20230352715
2023-11-02

SYSTEM WHERE ELECTRICITY GENERATION EFFICIENCY IS INCREASED BY MEANS OF LIQUIDS WHICH HAVE DIFFERENT DENSITIES

#22
20230329272
2023-10-19

PROCESSES FOR PRODUCING COFFEE COMPOSITIONS

#23
20230302408
2023-09-28

SEPARATION OF ALCOHOL USING A MEMBRANE

#24
20230226491
2023-07-20

OSMOTIC FLUID PURIFICATION AND DRAW COMPOUNDS THEREOF

#25
20230191328
2023-06-22

FORWARD OSMOSIS DRIVEN BY ELECTROLYSIS

#26
20230182076
2023-06-15

METHODS OF DEWATERING OF ALCOHOLIC SOLUTIONS VIA FORWARD OSMOSIS AND RELATED SYSTEMS

#27
20230149854
2023-05-18

Draw Solute, Draw Solution, and Water Treatment Device

#28
20230146806
2023-05-11

APPARATUS AND METHOD FOR PREPARING DIALYZATE

#29
20230103623
2023-04-06

DEVICE AND METHOD FOR PRODUCING DIALYSATE

#30
20230071602
2023-03-09

APPARATUS AND METHOD FOR LIQUID TREATMENT BY FORWARD OSMOSIS

#31
20220410073
2022-12-29

Evaluation method and evaluation device for forward osmosis membrane module

#32
20220401885
2022-12-22

Methods and systems for reducing magnesium in high salinity salar brines by nanofiltration and forward osmosis

#33
20220305432
2022-09-29

Amine-containing water concentration system and apparatus, and carbon dioxide recovery system

#34
20220274062
2022-09-01

SYSTEM AND METHOD FOR PROCESSING AND CONCENTRATING SELECTED IONS IN BRINE SOLUTIONS

#35
20220226778
2022-07-21

Forward osmosis membrane, forward osmosis membrane module, and manufacturing method thereof

#36
20220212964
2022-07-07

Water treatment for injection in hydrocarbon recovery

#37
20220204375
2022-06-30

SYSTEM AND METHOD OF TREATING WASTE WATER

#38
20220193608
2022-06-23

Thermo-responsive solution, and method of use therefor

#39
20220184554
2022-06-16

Apparatus and process for separation of water from dissolved solutes by forward osmosis

#40
20220105466
2022-04-07

PROCESSES FOR PRODUCING LITHIUM COMPOUNDS USING FORWARD OSMOSIS

#41
20220089502
2022-03-24

METAL OXIDE CERAMIC NANOMATERIALS AND METHODS OF MAKING AND USING SAME

#42
20220089501
2022-03-24

METAL OXIDE CERAMIC NANOMATERIALS AND METHODS OF MAKING AND USING SAME

#43
20220047992
2022-02-17

Forward osmosis system employing improved draw fluid

#44
20220009813
2022-01-13

Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy

#45
20220008867
2022-01-13

MEMBRANES FOR FORWARD OSMOSIS AND MEMBRANE DISTILLATION AND PROCESS OF TREATING FRACKING WASTEWATER

#46
20210339194
2021-11-04

Feedstock Solution Flow Concentration System

#47
20210323844
2021-10-21

FORMING A TREATED SWITCHABLE POLYMER AND USE THEREOF IN A FORWARD OSMOSIS SYSTEM

#48
20210316250
2021-10-14

THERMO-SENSITIVE DRAW SOLUTE, WATER TREATMENT METHOD, AND WATER TREATMENT APPARATUS

#49
20210292194
2021-09-23

Working medium and water treatment system

#50
20210275967
2021-09-09

OSMOTICALLY DRIVEN MEMBRANE PROCESSES AND SYSTEMS AND METHODS FOR DRAW SOLUTE RECOVERY

#51
20210268438
2021-09-02

DRAW SOLUTE, DRAW SOLUTION, AND FORWARD-OSMOSIS WATER TREATMENT METHOD

#52
20210212334
2021-07-15

METHOD FOR PREPARING DAIRY PRODUCT BASED ON PRINCIPLE OF FORWARD OSMOSIS

#53
20210197123
2021-07-01

Extracted material for forward osmosis, preparation method thereof, and forward-osmosis water desalination system using the same

#54
20210197122
2021-07-01

Ionic liquid and forward osmosis process employing the same

#55
20210138390
2021-05-13

Combined acid gas removal and water filtration system

#56
20210060488
2021-03-04

Methods of treating fluids using thermal gradient osmosis

#57
20210046424
2021-02-18

Forward osmosis performance improved membrane apparatus and method of separating solution using the same

#58
20210002148
2021-01-07

WATER TREATMENT APPARATUS, WATER TREATMENT METHOD, AND METHOD OF STARTING WATER TREATMENT APPARATUS

#59
20200398221
2020-12-24

Method for purifying and recovering solvent from ion exchange processes

#60
20200384412
2020-12-10

METHOD FOR EXTRACTING A COMPOUND CONTAINED IN A LIQUID SOLUTION BY FORWARD OSMOSIS

#61
20200325428
2020-10-15

METHOD AND SYSTEM FOR PRODUCING ULTRA-HIGH GRAVITY ALCOHOLIC BEVERAGES

#62
20200306695
2020-10-01

Apparatus and process for separation of water from dissolved solutes by forward osmosis

#63
20200255311
2020-08-13

Power generation process

#64
20200147553
2020-05-14

METHOD FOR ELECTROCHEMICAL SEPARATION AND REGENERATION OF FORWARD OSMOSIS DRAW SOLUTION

#65
20200094221
2020-03-26

METHOD OF WATER TREATMENT

#66
20200094220
2020-03-26

WATER TREATMENT APPARATUS

#67
20200094219
2020-03-26

THERMO-SENSITIVE WATER ABSORBENT

#68
20200086271
2020-03-19

Processes for producing lithium compounds using forward osmosis

#69
20200061541
2020-02-27

METHODS AND SYSTEMS FOR CONCENTRATING DIGESTATE FROM BIOGAS

#70
20200047124
2020-02-13

Forward osmosis composite membranes for concentration of lithium containing solutions

#71
20200023316
2020-01-23

Thermo-responsive solution, and method of use therefor

#72
20200023094
2020-01-23

LIQUID TREATMENT SYSTEMS

#73
20190315637
2019-10-17

Water with switchable ionic strength

#74
20190224623
2019-07-25

Osmotic fluid purification and draw compounds thereof

#75
20190119136
2019-04-25

Ternary sewage treatment method integrating microbial fuel cells with anaerobic acidification and forward osmosis membrane

#76
20190111390
2019-04-18

Recovery method for ammonium bicarbonate solution

#77
20190093639
2019-03-28

Electricity generation process

#78
20190039021
2019-02-07

Forward osmosis draw material

#79
20190022586
2019-01-24

Forward osmosis subsurface irrigation system and process

#80
20190003465
2019-01-03

Method of osmotic energy harvesting using responsive compounds and molecules

#81
20190001271
2019-01-03

Method of water purification using hydrophilic and compressible aerogel as draw agent in forward osmosis

#82
20180346496
2018-12-06

Multi-branched cationic phosphonium salt, forward osmosis extract employing the same and forward osmosis seawater desalination process

#83
20180311618
2018-11-01

Methods of dewatering of alcoholic solutions via forward osmosis and related systems

#84
20180297867
2018-10-18

PROCESSING INCLUDING A MEMBRANE AND GAS RECYCLING SYSTEM FOR FORWARD OSMOSIS WATER TREATMENT SYSTEMS USING SWITCHABLE POLAR SOLVENTS

#85
20180273402
2018-09-27

METHOD AND SYSTEM FOR SOLAR DRIVEN OSMOTIC WATER PURIFICATION

#86
20180268972
2018-09-20

Functionalized magnetic nanoparticles and a method for preparation thereof

#87
20180257959
2018-09-13

Forward osmosis process

#88
20180250635
2018-09-06

WATER TREATMENT SYSTEM AND WORKING MEDIUM THEREFOR

#89
20180250634
2018-09-06

LIGAND BASED FORWARD OSMOSIS

#90
20180229184
2018-08-16

A SWITCHABLE FORWARD OSMOSIS SYSTEM, AND PROCESSES THEREOF

#91
20180170812
2018-06-21

Metal oxide ceramic nanomaterials and methods of making and using same

#92
20180128250
2018-05-10

Combined electrical and thermal renewable/conventional energy storage and on-demand hydro-osmotic power generation methods and systems

#93
20180126336
2018-05-10

Renewable Energy Storage Methods and Systems

#94
20180118584
2018-05-03

METHOD FOR WATER PURIFICATION BY DIRECT OSMOSIS AND CRYSTALLISATION OF CLATHRATES HYDRATES

#95
20180099879
2018-04-12

WATER TREATMENT SYSTEM AND METHOD OF PURIFYING WATER

#96
20180078901
2018-03-22

Method of using new solvents for forward osmosis

#97
20180056241
2018-03-01

Ionic liquid for forward osmosis process and forward osmosis process

#98
20180050933
2018-02-22

METHODS FOR RECLAIMING PRODUCED WATER

#99
20180043308
2018-02-15

Power generation from low-temperature heat by hydro-osmotic processes

#100
20180036682
2018-02-08

PURIFICATION OF HIGHLY SALINE FEEDS

#101
20180015414
2018-01-18

Regenerable draw solute for osmotically driven processes

#102
20180008933
2018-01-11

Draw solute for a forward osmosis process

#103
20170369337
2017-12-28

ENHANCED BRINE CONCENTRATION WITH OSMOTICALLY DRIVEN MEMBRANE SYSTEMS AND PROCESSES

#104
20170341027
2017-11-30

Osmotic Power Plant

#105
20170232388
2017-08-17

OSMOTICALLY ATTAINED HIGH QUALITY BOILER MAKE-UP WATER

#106
20170182477
2017-06-29

THERMO-SENSITIVE WATER ABSORBENT, METHOD OF WATER TREATMENT, AND WATER TREATMENT APPARATUS

#107
20170173532
2017-06-22

WATER TREATMENT SYSTEM AND WORKING MEDIUM THEREFOR

#108
20170136414
2017-05-18

WATER TREATMENT METHOD, WATER TREATMENT SYSTEM, AND WATER TREATMENT APPARATUS

#109
20170044030
2017-02-16

DEWATERING PROCESS THROUGH FORWARD OSMOSIS USING DEEP EUTECTIC SOLVENTS WITH OR WITHOUT DISPERSED MAGNETIC NANOPARTICLES AS NOVEL DRAW SOLUTIONS

#110
20170028349
2017-02-02

Method and Apparatus For Liquid Extraction

#111
20170028348
2017-02-02

Osmotic separation systems and methods

#112
20160340212
2016-11-24

Forward osmosis separation processes

#113
20160327536
2016-11-10

Device for measuring water potential in plant tissue

#114
20160297693
2016-10-13

OSMOSIS

#115
20160288053
2016-10-06

DRAW SOLUTES INCLUDING PHOSPHONATE IONIC OLIGOMERS, FORWARD OSMOTIC WATER TREATING APPARATUS, AND METHODS USING THE SAME

#116
20160272513
2016-09-22

BRINE MINING PROCESS

#117
20160236951
2016-08-18

Forward osmosis process

#118
20160206997
2016-07-21

Osmotic separation systems and methods

#119
20160175777
2016-06-23

Draw solution for forward osmosis process

#120
20160152491
2016-06-02

SYSTEM AND METHOD FOR DEWATERING SLURRIES

#121
20160082391
2016-03-24

Draw solute and an improved forward osmosis method

#122
20160074811
2016-03-17

Draw solutions and methods of treating an aqueous liquid

#123
20160074810
2016-03-17

Draw solute for forward osmosis

#124
20160051932
2016-02-25

METHOD FOR REGENERATING AMMONIUM BICARBONATE SOLUTION IN FORWARD OSMOTIC PRESSURE TYPE WATER TREATMENT APPARATUS AND REGENERATION APPARATUS THEREFOR

#125
20160046360
2016-02-18

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

#126
20160016116
2016-01-21

FORWARD OSMOSIS SYSTEM USING COORDINATION COMPLEXES

#127
20160016115
2016-01-21

Methods for treating a liquid using draw solutions

#128
20150360983
2015-12-17

WATER REUSE SYSTEM AND METHOD

#129
20150360179
2015-12-17

Crystallization system with frame elements

#130
20150353397
2015-12-10

WATER REUSE SYSTEM AND METHOD

#131
20150353384
2015-12-10

Forward osmosis-type fresh water composite system

#132
20150273396
2015-10-01

DRAW SOLUTIONS AND DRAW SOLUTE RECOVERY FOR OSMOTICALLY DRIVEN MEMBRANE PROCESSES

#133
20150249378
2015-09-03

Circulatory osmotic pressure electric power generation system and method, phase control method for working medium, and working medium for circulatory osmotic pressure electric power generation

#134
20150175447
2015-06-25

Pressurized forward osmosis process and system

#135
20150165380
2015-06-18

DRAW SOLUTES COMPRISING ALKYL AMMONIUM SALT COMPOUNDS

#136
20150060361
2015-03-05

DRAW SOLUTES INCLUDING AMINO ACID IONIC OLIGOMERS

#137
20140367337
2014-12-18

Process for operating a cooling tower comprising the treatment of feed water by direct osmosis

#138
20140238917
2014-08-28

Osmotic desalination process

#139
20140197104
2014-07-17

Apparatus and method for generating useful energy

#140
20140158621
2014-06-12

Thermo-responsive draw solute for forward osmosis and method for water desalination and purification using the same

#141
20140076810
2014-03-20

Systems and methods for use of water with switchable ionic strength

#142
20130264260
2013-10-10

Forward osmosis system comprising solvent separation by means of membrane distillation

#143
20130248447
2013-09-26

Forward osmosis apparatus and forward osmosis process

#144
20130220927
2013-08-29

Forward osmosis: recyclable driving solutes

#145
20130180919
2013-07-18

Draw solute for forward osmosis, forward osmosis water treatment device, and forward osmosis method for water treatment

#146
20130048564
2013-02-28

DRAW SOLUTES, METHODS OF FORMING DRAW SOLUTES, AND METHODS OF USING DRAW SOLUTES TO TREAT AN AQUEOUS LIQUID

#147
20130048561
2013-02-28

Methods and systems for treating liquids using switchable solvents

#148
20120318729
2012-12-20

High flux thin-film composite forward osmosis and pressure-retarded osmosis membranes

#149
20120279921
2012-11-08

Solvent removal

#150
20120267306
2012-10-25

Osmotic separation systems and methods

#151
20120267297
2012-10-25

SYSTEMS AND METHODS FOR FORWARD OSMOSIS FLUID PURIFICATION USING CLOUD POINT EXTRACTION

#152
20120228222
2012-09-13

Forward osmosis separation processes

#153
20120211423
2012-08-23

Draw solute for forward osmosis, draw solution including the same, forward osmosis water treatment device using the same, and forward osmosis method for water treatment using the same

#154
20120091062
2012-04-19

Osmotic desalination process

#155
20120037566
2012-02-16

Osmotically-assisted desalination method and system

#156
20120018365
2012-01-26

SYSTEMS AND METHODS FOR FORWARD OSMOSIS FLUID PURIFICATION

#157
20110278226
2011-11-17

Process for operating a cooling tower comprising the treatment of feed water by direct osmosis

#158
20110272355
2011-11-10

Solvent removal and recovery from inorganic and organic solutions

#159
20110203994
2011-08-25

Forward Osmosis Separation Processes

#160
20110155666
2011-06-30

METHOD AND SYSTEM USING HYBRID FORWARD OSMOSIS-NANOFILTRATION (H-FONF) EMPLOYING POLYVALENT IONS IN A DRAW SOLUTION FOR TREATING PRODUCED WATER

#161
20100224561
2010-09-09

PROCESS FOR MINIMIZING PRODUCED WATER BRINES USING FORWARD OSMOSIS

#162
20100206743
2010-08-19

Separation process

#163
20100183903
2010-07-22

Utility scale osmotic grid storage

#164
20100155333
2010-06-24

Process for dewatering an aqueous organic solution

#165
20100155331
2010-06-24

Process for dewatering an aqueous organic solution

#166
20100155329
2010-06-24

Systems and methods for forward osmosis fluid purification using cloud point extraction

#167
20100108587
2010-05-06

Osmotic desalination process

#168
20070284100
2007-12-13

Scale inhibition method

#169
20070278153
2007-12-06

Forward osmosis utilizing a controllable osmotic agent

#170
20070246426
2007-10-25

Water flooding method

#171
20060011544
2006-01-19

Membrane purification system

#172
20050164188
2005-07-28

Analysis device

#173
20050145568
2005-07-07

Osmotic desalination process

#174
20050019302
2005-01-27

Polymer based permeable membrane for removal of ions

#175
15240673
2017-11-21

Metal oxide ceramic nanomaterials and methods of making and using same

#176
15185528
2017-03-28

Integrated osmosis systems and methods

#177
15005600
2021-01-12

Osmosis system using a magnetic nanoparticle draw solution and permanent ring-type magnets

#178
14544280
2018-07-31

Pro unit to continuously recharge the battery of an electric conveyance

#179
13987129
2016-05-10

Pro system using a hollow fiber membrane with superparamagnetic nanoparticle draw solution

#180
13507538
2016-01-26

Forward osmosis using magnetic nanoparticle draw solutions

#181
12188907
2015-12-29

Ligand based forward osmosis