ClassID:

86200

C02F1/265 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by extraction Desalination

Recent Application in this class:
#1
20260097972
2026-04-09

WATER TREATMENT AND DESALINATION

#2
20260078027
2026-03-19

SYSTEM FOR DESALINATING WATER WITH VACUUM MEMBRANE DISTILLATION

#3
20260070814
2026-03-12

METHOD AND APPARATUS FOR SELECTIVELY FEEDING BRINE STREAM

#4
20260055011
2026-02-26

AMINE-BASED SOLVENTS FOR TEMPERATURE SWING SOLVENT EXTRACTION

#5
20260035269
2026-02-05

Low-Energy Desalination Methodology

#6
20260015260
2026-01-15

WATER CIRCULARITY IN A GAS OIL SEPARATION PLANT BY EFFECTIVE TREATMENT OF PRODUCED WATER

#7
20260001784
2026-01-01

GATE-ALL-AROUND AND MULTI-GATE ION CONCENTRATION POLARIZATION FOR DESALINATION

#8
20250368548
2025-12-04

DESALINATION WITH POLYMER HYDRATE FORMATION

#9
20250368547
2025-12-04

DEVICE AND SYSTEM FOR WATER DESALINIZATION

#10
20250339789
2025-11-06

HYBRID THERMAL - CHROMATOGRAPHIC SYSTEM FOR SIMULTANEOUS MINERAL PURIFICATION AND DESALINATION OF SALINE WATERS

#11
20250333329
2025-10-30

WATER PURIFICATION SYSTEM AND METHOD USING CARBON DIOXIDE

#12
20250326662
2025-10-23

COOLING PROCESS TO TREAT DESALTER WATER EFFLUENT FOR WASH WATER REUSE

#13
20250296856
2025-09-25

SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS

#14
20250282649
2025-09-11

BALANCER AND METHODS FOR EXTRACTING WATER FROM AN AQUEOUS SOLUTION

#15
20250250182
2025-08-07

SYSTEM AND METHODS FOR EXTRACTING WATER FROM AN AQUEOUS SOLUTION

#16
20250236538
2025-07-24

Ammonia-driven hydrogel dehydration-desalination method

#17
20250223198
2025-07-10

HUMIC AND FULVIC BLACK WATER BASED BEVERAGE FOR HUMAN CONSUMPTION

#18
20250171332
2025-05-29

WATER TREATMENT AND DESALINATION

#19
20250136473
2025-05-01

METHOD FOR OPERATING DESALTING DEVICE

#20
20250128965
2025-04-24

DESALINATION SYSTEMS AND METHODS

#21
20250091922
2025-03-20

PRODUCTION OF SYNTHETIC HYDROCARBONS

#22
20250091914
2025-03-20

SYSTEM FOR TREATING BRINE AND CAPTURING CO2 EMISSIONS

#23
20250091906
2025-03-20

TEMPERATURE SWING SOLVENT EXTRACTION FOR DESCALING OF FEEDSTREAMS

#24
20250075343
2025-03-06

CRUDE OIL PROCESSING PLANT WASTEWATER TREATMENT WITH CO-PRODUCTION OF HYDROGEN FOR CLEAN ENERGY

#25
20250059067
2025-02-20

Systems, Methods, and Compositions for Purifying Water

#26
20250035081
2025-01-30

WAVE-ACTUATED SYSTEM, WAVE ENERGY CONVERTER SUBSYSTEM, AND METHOD FOR OPERATING A REVERSE-OSMOSIS DESALINATION SUBSYSTEM

#27
20250010247
2025-01-09

POROUS SUBSTRATES CONTAINING AMINE-MODIFIED CARBON NANOTUBES

#28
20240391804
2024-11-28

System and method for treating brine and capturing COemissions

#29
20240391800
2024-11-28

HYPERSALINE DESALINATION USING IONIC LIQUIDS AND LOW-TEMPERATURE HEAT

#30
20240368001
2024-11-07

SALT RECOVERY SOLUTION AND PROCESSES OF USE THEREOF

#31
20240336497
2024-10-10

METHOD FOR OPERATING PURE-WATER PRODUCTION SYSTEM

#32
20240327257
2024-10-03

Gated Electrodialysis with Zero Liquid Discharge

#33
20240317611
2024-09-26

DESALINATION METHOD OF ION MICRO-NANO SIEVING FOR AGRICULTURAL WATER

#34
20240262716
2024-08-08

Humic and fulvic black water based beverage for human consumption

#35
20240262715
2024-08-08

DESALINATION SYSTEM AND DESALINATION PROCESS THEREFOR

#36
20240261739
2024-08-08

Doubly porous multi-layer desal membrane

#37
20240261738
2024-08-08

Polysulfone-supported separation membrane

#38
20240254008
2024-08-01

RENEWABLE ENERGY SOURCE USING PRESSURE DRIVEN FILTRATION PROCESSES AND SYSTEMS

#39
20240228333
2024-07-11

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY ASSISTED FORWARD OSMOSIS

#40
20240217844
2024-07-04

ZERO LIQUID DISCHARGE WATER MANAGEMENT SYSTEM

#41
20240216872
2024-07-04

Crossflow desalination device

#42
20240208843
2024-06-27

SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS

#43
20240208842
2024-06-27

Systems and methods for desalination of liquids

#44
20240150254
2024-05-09

Mineral Supplement Including Microbes to Promote Growth in Agriculture

#45
20240140829
2024-05-02

INTEGRATED WATER SUPPLY AND POWER SYSTEM

#46
20240132379
2024-04-25

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY ASSISTED FORWARD OSMOSIS

#47
20240124985
2024-04-18

SMALL MODULAR NUCLEAR REACTOR INTEGRATED ENERGY SYSTEMS FOR IN-SITU, ON-DEMAND HYDROGEN GENERATION AND/OR THE PRODUCTION OF SODIUM FORMATE

#48
20240092659
2024-03-21

OILFIELD BRINE DESALINATION

#49
20240076205
2024-03-07

DEVICE AND SYSTEM FOR WATER DESALINIZATION

#50
20240059586
2024-02-22

Seawater RO desalination by pneumatic power tapped from offshore ocean wave energy

#51
20240002260
2024-01-04

LIQUID CRYSTALLIZER SALTING OUT SOLUTION

#52
20240002258
2024-01-04

WATER RECLAMATION SYSTEM USING OIL AS A HEAT TRANSFER MEDIUM AND LIQUID SALT COLLECTOR

#53
20230406793
2023-12-21

FACILITY AND METHOD FOR PRODUCING A GLOBALLY USABLE ENERGY CARRIER

#54
20230397623
2023-12-14

Method and Facility for the Treatment of Brine in Salt Baths for Salting Cheese

#55
20230391649
2023-12-07

Systems and methods for desalination of liquids

#56
20230331588
2023-10-19

Systems and methods for desalination of liquids

#57
20230286833
2023-09-14

A SALT RECOVERY SOLUTION AND PROCESSES OF USE THEREOF

#58
20230257285
2023-08-17

OSMOTIC METHODS AND SYSTEMS INVOLVING ENERGY RECOVERY

#59
20230257284
2023-08-17

Salt recovery solution and processes of use thereof

#60
20230242418
2023-08-03

Temperature swing solvent extraction for descaling of feedstreams

#61
20230211286
2023-07-06

SYSTEM AND METHOD FOR COOPERATIVELY TREATING WATER AND GAS TO REDUCE POLLUTANTS AND CARBON EMISSION

#62
20230174391
2023-06-08

Temperature swing solvent extraction for descaling of feedstreams

#63
20230166215
2023-06-01

PROCESS FOR OBTAINING POLYAMIDE MEMBRANE WITH NANOSTRUCTURED COATING, MEMBRANES AND USE

#64
20230159354
2023-05-25

METHOD AND APPARATUS FOR WATER PROCESSING

#65
20230150838
2023-05-18

SOLAR POWERED DESALINATION WITH DIRECT HEAT TRANSFER

#66
20230130758
2023-04-27

Generator of a vortex braid broken up into a system of toroid vortices

#67
20230094476
2023-03-30

METHOD FOR REDUCING CORROSION FATIGUE OF EVAPORATING TUBE IN BOILER

#68
20230090737
2023-03-23

INTEGRATED SEA-GROUNDWATER AND TUNED OUTFALL DESALINIZATION SYSTEM

#69
20230065608
2023-03-02

CRYSTALLIZATION OF SALTS FROM HIGH PRESSURE REVERSE OSMOSIS CONCENTRATE

#70
20230061678
2023-03-02

EXTRACTIVE DESALINATION OF SEA WATER USING A SPECIAL CLASS OF POLAR ORGANIC SOLVENTS

#71
20230058065
2023-02-23

Buffer-free process cycle for COsequestration and carbonate production from brine waste streams with high salinity

#72
20230057112
2023-02-23

SYSTEM AND METHOD FOR PRODUCING A SOURCE OF CONSUMABLE WATER EITHER THROUGH FILTRATION OR DESALINATION

#73
20230044196
2023-02-09

DEVICE AND METHOD FOR PREPARING HIGH-PURITY HYDROGEN AND/OR OXYGEN BY ELECTROLYSIS OF WATER

#74
20230013770
2023-01-19

Ion Removal Devices Based on Electrochemistry and Photo-electrochemistry, and Preparation Method and Application

#75
20220380233
2022-12-01

Osmotic methods and systems involving energy recovery

#76
20220356077
2022-11-10

System and process for obtaining potable water employing geothermal energy

#77
20220349854
2022-11-03

MOBILE SYSTEM FOR CALIBRATING, VERIFYING AND/OR ADJUSTING A SENSOR AND METHOD FOR CALIBRATING, VERIFYING AND/OR ADJUSTING A SENSOR

#78
20220250941
2022-08-11

Desalination device using solvent extraction method, and desalination method using same

#79
20220212957
2022-07-07

Switchable system for high-salinity brine desalination and fractional precipitation

#80
20220212956
2022-07-07

Methods for water extraction

#81
20220112107
2022-04-14

Integrated System For Water Treatment Energized By Sustainable Hydrogen

#82
20220017385
2022-01-20

TEMPERATURE SWING SOLVENT EXTRACTION FOR DESCALING OF FEEDSTREAMS

#83
20220009795
2022-01-13

Desalination device with graphene filtering for the production of drinking water

#84
20210371300
2021-12-02

Liquid crystallizer salting out solution

#85
20210355076
2021-11-18

Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid

#86
20210355006
2021-11-18

Systems, methods, and compositions for purifying water

#87
20210331944
2021-10-28

System and method for sorbtion distillation

#88
20210309540
2021-10-07

TEMPERATURE SWING SOLVENT EXTRACTION FOR DESCALING OF FEEDSTREAMS

#89
20210246047
2021-08-12

Electromagnetic ionic liquid and preparation method therefor

#90
20210230020
2021-07-29

Desalting apparatus using solvent and the method thereof

#91
20210220775
2021-07-22

Modularized subsea seawater desalination system

#92
20210197099
2021-07-01

Photoactive separation of solutes

#93
20210188668
2021-06-24

Method and system for treating high salinity water

#94
20210188664
2021-06-24

Humic and fulvic black water based beverage for human consumption

#95
20210179447
2021-06-17

Water desalinization systems

#96
20210171366
2021-06-10

Desalination systems and methods

#97
20210139346
2021-05-13

Zero liquid discharge eutectic freeze desalination with intermediate cold liquid

#98
20210113971
2021-04-22

Multi-layer membrane containing mixed polyamide selective layer and methods of making thereof

#99
20210107807
2021-04-15

Desalination systems, apparatus, and related methods for use with saline fluids

#100
20210077917
2021-03-18

Method and apparatus with outlet for extracting molten salt

#101
20210024431
2021-01-28

Mineral Supplement Including Microbes to Promote Growth in Agriculture

#102
20200384381
2020-12-10

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#103
20200361787
2020-11-19

WATER TREATMENT AND DESALINATION

#104
20200308023
2020-10-01

SALT RECOVERY SOLUTION AND PROCESSES OF USE THEREOF

#105
20200172411
2020-06-04

Using waste heat from a data center cooling system to facilitate low-temperature desalination

#106
20200078703
2020-03-12

Reactive extraction of water

#107
20200039842
2020-02-06

System and method for sorbtion distillation

#108
20200031688
2020-01-30

Seawater desalination device of industrial exhaust heat-driven ejector refrigeration and application method thereof

#109
20200010339
2020-01-09

Reverse diffusion desalination

#110
20190352194
2019-11-21

WATER TREATMENT AND DESALINATION

#111
20190322544
2019-10-24

Hydrates for water desalination using iso-butane additive

#112
20190256384
2019-08-22

System and method of water purification utilizing an ionomer membrane

#113
20190233305
2019-08-01

Using waste heat from a data center cooling system to facilitate low-temperature desalination

#114
20190209947
2019-07-11

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#115
20190194038
2019-06-27

Reverse diffusion desalination

#116
20190184339
2019-06-20

Method and system for performing a batch reverse osmosis process using a tank with a movable partition

#117
20190169048
2019-06-06

DESALINATION METHOD USING SUPERABSORBANT POLYMERS

#118
20190162450
2019-05-30

Inflatable non-imaging solar concentrator water desalination system

#119
20190119126
2019-04-25

System and method for sorbtion distillation

#120
20190092650
2019-03-28

PRE-TREATMENT OF A DESALINATION PROCESS FEED

#121
20190039916
2019-02-07

System for flue-gas hydrate-based desalination using LNG cold energy

#122
20180319673
2018-11-08

Method for crystallising clathrates hydrates, and method for purifying an aqueous liquid using the clathrates hydrates thus crystallised

#123
20180207585
2018-07-26

Method and system for performing a batch reverse osmosis process using a tank with a movable partition

#124
20180177714
2018-06-28

Highly concentrated seawater mineral extract and uses thereof

#125
20180171768
2018-06-21

Apparatus and method for potable water extraction from saline aquifers

#126
20180104648
2018-04-19

Method and system for performing a batch reverse osmosis process using a tank with a movable partition

#127
20180036682
2018-02-08

PURIFICATION OF HIGHLY SALINE FEEDS

#128
20180009738
2018-01-11

Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid

#129
20180002193
2018-01-04

Method for sorbtion distillation

#130
20170313599
2017-11-02

DESALINATION METHOD USING SUPERABSORBANT POLYMERS

#131
20170283285
2017-10-05

NATURAL WATER TREATMENT CONTROL APPARATUS, NATURAL WATER TREATMENT SYSTEM, NATURAL WATER TREATMENT CONTROL METHOD, AND PROGRAM

#132
20170266670
2017-09-21

LIQUID PURIFICATION USING MAGNETIC NANOPARTICLES

#133
20170113947
2017-04-27

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#134
20170044024
2017-02-16

METHOD FOR TREATING AN AQUEOUS SOLUTION CONTAINING DISSOLVED MATERIALS BY CRYSTALLIZATION OF CLATHRATES HYDRATES

#135
20170008778
2017-01-12

FREEZING DESALINATION MODULE

#136
20160318771
2016-11-03

Water pretreatment unit using a fluorinated liquid

#137
20160076511
2016-03-17

Systems and methods for applying power generation units in water desalination

#138
20160039683
2016-02-11

Multiple effect concentration swap de-scaling system

#139
20150166362
2015-06-18

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#140
20140360936
2014-12-11

REMOVAL OF DISSOLVED SALTS USING A SOLVENT

#141
20140299529
2014-10-09

Systems, Apparatus, and Methods for Separating Salts from Water

#142
20140102157
2014-04-17

Method for reducing water content of an object to be treated

#143
20130082003
2013-04-04

Water extraction using a directional solvent

#144
20120168375
2012-07-05

Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (MDI)

#145
20120138532
2012-06-07

Water desalination using directional solvent extraction

#146
20120018382
2012-01-26

Liquid purification using magnetic nanoparticles

#147
20120012529
2012-01-19

Water pretreatment unit using a fluorinated liquid

#148
20110108481
2011-05-12

Water desalination using directional solvent extraction

#149
20100307973
2010-12-09

MOBILE UNIT FOR THE TREATMENT OF RAW WATER

#150
20100219372
2010-09-02

Brine purification

#151
20070004945
2007-01-04

Method for excluding salt and other soluble materials from produced water

#152
20060273036
2006-12-07

Hydrate-based reduction of fluid inventories and concentration of aqueous and other water-containing products

#153
20060000355
2006-01-05

Apparatus for generating freshwater

#154
20050082214
2005-04-21

Hydrate desalination for water purification

#155
19025616
2026-05-12

Electrochemcial treatment of saline wasterwater with captured COto produce saline free water

#156
18936404
2025-07-15

Method and system for sustainable brine treatment and heavy metal purification using recycled carbon fiber

#157
18678363
2025-04-01

Device and system for water desalinization

#158
18595901
2024-12-17

Method and system for sustainable brine treatment and heavy metal purification using recycled carbon fiber

#159
18542669
2024-10-29

Desalination plant

#160
18443563
2025-07-01

Advanced waterflooding methods for enhanced hydrocarbon recovery

#161
17964594
2023-05-02

Direct solar desalination system with enhanced desalination

#162
17725522
2023-01-24

Self-sufficient systems for carbon dioxide removal and sequestration

#163
16400522
2022-06-21

Vacuum freezing nucleated liquid water for purifying brackish water

#164
16286578
2020-07-28

Systems and methods for gas transport desalination

#165
16124128
2019-09-24

Humic and fulvic black water based beverage for human consumption

#166
15912338
2019-06-11

Pressure differential water distiller