ClassID:

29829

B01D61/06 - 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; Reverse osmosis; Hyperfiltration ; Nanofiltration Energy recovery

Recent Application in this class:
#1
20260124582
2026-05-07

COMPONENTS FOR SEALING AND SEALING CONCEPT FOR A PRESSURE EXCHANGER

#2
20260054222
2026-02-26

SALINITY GRADIENT GRADE-SCALE ENERGY STORAGE METHOD AND APPARATUS

#3
20260054221
2026-02-26

INTEGRATED DESALINATION ENERGY RECOVERY MODULE

#4
20250375738
2025-12-11

REVERSE OSMOSIS BRINE AS INJECTION WATER FOR RESERVOIR

#5
20250345751
2025-11-13

NANO CHECK VALVE OSMOSIS AND ENERGY COLLECTION METHOD AND DEVICE

#6
20250339820
2025-11-06

SYSTEM FOR REVERSE OSMOSIS

#7
20250256990
2025-08-14

LARGE SCALE DESALINATION PROCESS

#8
20250235825
2025-07-24

SYSTEMS AND METHODS FOR OSMOTICALLY ASSISTED REVERSE OSMOSIS CONFIGURATIONS

#9
20250196066
2025-06-19

Hybrid Energy Recovery System

#10
20250010242
2025-01-09

REVERSE OSMOSIS CENTRIFUGE

#11
20240416283
2024-12-19

APPARATUS AND METHOD OF SEMI-CLOSED REVERSE OSMOSIS

#12
20240408546
2024-12-12

SUBMERGED WATER DESALINATION SYSTEM MOTOR COOLED WITH PRODUCT WATER

#13
20240390854
2024-11-28

PRESSURE RETARDED OSMOSIS SYSTEM

#14
20240359137
2024-10-31

PROCESS OF BRINE CONCENTRATION AND METHOD FOR TREATMENT OF THE SAME

#15
20240278178
2024-08-22

Reverse osmosis system

#16
20240269615
2024-08-15

ONE-WAY PRESSURE EXCHANGE DEVICE FOR REVERSE OSMOSIS DESALINATION PLANTS

#17
20240228352
2024-07-11

NANOFILTRATION PRETREATMENT OF SEAWATER FOR ELECTRODIALYSIS DESALINATION

#18
20240186793
2024-06-06

INTERMEDIATE POWER STORE FOR POWER GENERATING SYSTEMS

#19
20240167252
2024-05-23

SYSTEMS AND METHODS FOR AQUIFER REPLENISHMENT, WATER FILTRATION, AND DESALINATION

#20
20240100481
2024-03-28

System for reverse osmosis

#21
20240082787
2024-03-14

MEMBRANE SYSTEM TO TREAT LEACHATE AND METHODS OF TREATING LEACHATE

#22
20240024820
2024-01-25

Reverse osmosis centrifuge

#23
20230398493
2023-12-14

SYSTEM FOR REVERSE OSMOSIS AND FOR PRESSURE RETARDED OSMOSIS

#24
20230271854
2023-08-31

LARGE SCALE DESALINATION PROCESS

#25
20230264997
2023-08-24

ULTRAPURE WATER MANUFACTURING FACILITY

#26
20230257285
2023-08-17

OSMOTIC METHODS AND SYSTEMS INVOLVING ENERGY RECOVERY

#27
20230093877
2023-03-30

SOLVATION ENTROPY ENGINE

#28
20230014345
2023-01-19

APPARATUS SYSTEM AND METHOD TO DESALINATE WATER

#29
20220410067
2022-12-29

BIMODAL REVERSE OSMOSIS AND PRESSURE RETARDED OSMOSIS FRAMEWORK

#30
20220395779
2022-12-15

Reverse osmosis arrangement

#31
20220380233
2022-12-01

Osmotic methods and systems involving energy recovery

#32
20220356084
2022-11-10

Recirculation loop reverse osmosis system with structurally fixed recovery rate and structurally stabilized full flow discharge

#33
20220339583
2022-10-27

SALINITY GRADIENT GRADE-SCALE ENERGY STORAGE METHOD AND APPARATUS

#34
20220315469
2022-10-06

Cross current staged reverse osmosis

#35
20220314169
2022-10-06

Reverse osmosis centrifuge

#36
20220297064
2022-09-22

Reverse osmosis system

#37
20220267176
2022-08-25

APPARATUS, METHOD AND SYSTEM FOR DESALINATING WATER USING ENERGY RECOVERY

#38
20220266198
2022-08-25

Thermal energy conversion submerged reverse osmosis desalination system

#39
20220258102
2022-08-18

Membrane system to treat leachate and methods of treating leachate

#40
20220250951
2022-08-11

Submerged water desalination system pump lubricated with product water

#41
20220250950
2022-08-11

SUBMERGED WATER DESALINATION SYSTEM WITH PRODUCT WATER PUMP CAVITATION PROTECTION

#42
20220250006
2022-08-11

Adhesively-bonded water separation cartridge module

#43
20220152555
2022-05-19

Pressure exchanger unit for saving energy in desalination plants

#44
20220119281
2022-04-21

System and method for the treatment of water by reverse osmosis or nanofiltration

#45
20220032233
2022-02-03

AN OCEAN WAVE POWERED DESALINATION SYSTEM

#46
20220016574
2022-01-20

Reverse osmosis unit

#47
20220001330
2022-01-06

Volumetric pressure exchanger with booster effect and integrated flow measurement, for a seawater desalination plant

#48
20210379531
2021-12-09

Reverse osmosis system and seawater desalination system having the same

#49
20210322929
2021-10-21

High recovery variable volume reverse osmosis membrane system

#50
20210300806
2021-09-30

METHOD AND APPARATUS FOR REUSING WASTEWATER BY USING REVERSE OSMOSIS

#51
20210299613
2021-09-30

Desalination system and method

#52
20210238062
2021-08-05

Method and system for operating a high recovery separation process

#53
20210178329
2021-06-17

BATCH AND SEMI-BATCH MEMBRANE LIQUID SEPARATION USING A SWEEP STREAM

#54
20210178328
2021-06-17

METHOD AND SYSTEM FOR PERFORMING REVERSE OSMOSIS WITH INTEGRATED PUMP STORAGE

#55
20210171382
2021-06-10

SWRO and MCDI coupled seawater desalination device system with energy recovery

#56
20210162345
2021-06-03

Reverse osmosis system

#57
20210122651
2021-04-29

Method and system for operating a high recovery separation process

#58
20210101116
2021-04-08

Apparatus system and method to seperate brine from water using heat energy recovery

#59
20210031143
2021-02-04

Fluid power circuit having switch-mode power transformer and methods

#60
20200398224
2020-12-24

Method and system for performing reverse osmosis with brine recirculation and energy recovery

#61
20200391158
2020-12-17

REVERSE OSMOSIS CENTRIFUGE

#62
20200338502
2020-10-29

Method for efficient separation and enrichment of lithium

#63
20200331777
2020-10-22

Method for treating produced water

#64
20200330925
2020-10-22

Method for separation and enrichment of lithium

#65
20200306696
2020-10-01

Method for separation and enrichment of lithium

#66
20200291288
2020-09-17

Hydraulic geofracture energy storage system with desalination

#67
20200246752
2020-08-06

Method and system for performing reverse osmosis with brine recirculation and energy recovery

#68
20200239337
2020-07-30

Method and system for operating a high recovery separation process

#69
20200149558
2020-05-14

Hybrid pressure and thermal exchanger

#70
20200131056
2020-04-30

Method and system for operating a high recovery separation process

#71
20200087171
2020-03-19

Apparatus, method and system for desalinating water using energy recovery

#72
20200086274
2020-03-19

Advancements in osmotically driven membrane systems including multi-stage purification

#73
20200047125
2020-02-13

FLUID MANAGEMENT SYSTEM AND METHOD

#74
20190322548
2019-10-24

System and method for the treating of water by reverse osmosis or nanofiltration

#75
20190321784
2019-10-24

PORTABLE WATER COLLECTION AND FILTRATION SYSTEM

#76
20190275466
2019-09-12

Membrane system to treat leachate and methods of treating leachate

#77
20190184339
2019-06-20

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

#78
20190092656
2019-03-28

Method and system for operating a high recovery separation process

#79
20190078014
2019-03-14

Hydraulic geofracture energy storage system with desalination

#80
20190076589
2019-03-14

Filtration System for Preparation of Fluids for Medical Applications

#81
20190070560
2019-03-07

Process and system for treating waste water and generating power

#82
20190060834
2019-02-28

Apparatus system and method to separate brine from water

#83
20190046713
2019-02-14

Filtration system for preparation of fluids for medical applications

#84
20190022587
2019-01-24

Seawater desalination system and energy recovery apparatus

#85
20190006693
2019-01-03

Microbial fuel cell arrangement and method for operating it

#86
20180345219
2018-12-06

Osmosis battery & high magnetic field generator & superconducting ionic current loop

#87
20180303308
2018-10-25

Dishwashing method and dishwasher

#88
20180297866
2018-10-18

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#89
20180290903
2018-10-11

INTEGRATED SYSTEM FOR SUPPLYING CLEAN WATER AND CLEAN ENERGY TO THE MINING INDUSTRY

#90
20180290902
2018-10-11

Integrated system for generating, storing and dispensing clean energy and desalinating water

#91
20180282186
2018-10-04

Method for operating reverse-osmosis membrane treatment system

#92
20180257035
2018-09-13

Seawater desalination system and energy recovery apparatus

#93
20180207585
2018-07-26

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

#94
20180193800
2018-07-12

Symbiotic reverse osmosis for maximizing desalinated water recovery from saline waters and brines

#95
20180085708
2018-03-29

Controller for energy generation system

#96
20180071685
2018-03-15

Energy-saving water purifying system

#97
20180036683
2018-02-08

Reverse osmosis system with control based on flow rates in the permeate and brine streams

#98
20180036682
2018-02-08

PURIFICATION OF HIGHLY SALINE FEEDS

#99
20180016173
2018-01-18

Chemical free and energy efficient desalination system

#100
20180001264
2018-01-04

Integrated reverse osmosis module with energy recovery for desalination

#101
20170356470
2017-12-14

Hybrid pressure and thermal exchanger

#102
20170354930
2017-12-14

Desalination apparatus

#103
20170349467
2017-12-07

Cross current staged reverse osmosis

#104
20170349466
2017-12-07

Cross current staged reverse osmosis

#105
20170349465
2017-12-07

Cross current staged reverse osmosis

#106
20170349455
2017-12-07

Apparatus, method and system for desalinating water

#107
20170334747
2017-11-23

System and method for flexible low-energy membrane-based liquid purification

#108
20170314466
2017-11-02

Solar assisted gas turbine desalination and carbon capture system

#109
20170267539
2017-09-21

Integrated process for carbon capture and energy production

#110
20170252700
2017-09-07

Seawater desalination system and energy recovery apparatus

#111
20170232392
2017-08-17

SYSTEMS AND METHODS FOR OFFSHORE DESALINATION AND/OR OIL RECOVERY

#112
20170136411
2017-05-18

METHOD FOR PURIFYING LIQUID AND SYSTEM FOR THE IMPLEMENTATION THEREOF

#113
20170129788
2017-05-11

Damping plate sand filtration system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

#114
20170121203
2017-05-04

Desalination system and desalination method

#115
20170121202
2017-05-04

Desalination system and desalination method

#116
20170120195
2017-05-04

Desalination system and desalination method

#117
20170120194
2017-05-04

Energy recovery system

#118
20170080389
2017-03-23

SYMBIOTIC REVERSE OSMOSIS FOR MAXIMIZING DESALINATED WATER RECOVERY FROM SALINE WATERS AND BRINES

#119
20170066670
2017-03-09

Integrated reverse osmosis/pressure retarded osmosis system

#120
20160377096
2016-12-29

Fluid exchanger devices, pressure exchangers, and related methods

#121
20160346735
2016-12-01

Water treatment system

#122
20160303305
2016-10-20

Filtration system for preparation of fluids for medical applications

#123
20160250595
2016-09-01

Seawater desalination system and energy recovery device

#124
20160244343
2016-08-25

Liquid treatment apparatus

#125
20160236950
2016-08-18

Modular sand filtration-anchor system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

#126
20160236947
2016-08-18

Water treatment plant

#127
20160229713
2016-08-11

Membrane separation method with speed control of pressure exchanger and feed pump

#128
20160220957
2016-08-04

SEAWATER DESALINATION SYSTEM

#129
20160089633
2016-03-31

Reverse osmosis system

#130
20160084269
2016-03-24

Rotor positioning system in a pressure exchange vessel

#131
20160076511
2016-03-17

Systems and methods for applying power generation units in water desalination

#132
20160051933
2016-02-25

Seawater desalination system and energy recovery apparatus

#133
20160038880
2016-02-11

Advancements in osmotically driven membrane systems including low pressure control

#134
20160030887
2016-02-04

Seawater desalination system and energy recovery apparatus

#135
20160016826
2016-01-21

Seawater desalination system and energy recovery apparatus

#136
20160009572
2016-01-14

Membrane filtration system

#137
20160002074
2016-01-07

Advancements in osmotically driven membrane systems including multi-stage purification

#138
20150367285
2015-12-24

Method for concentrating aqueous containing solute into high concentration by hydraulic-membrane process under no difference in osmotic pressure

#139
20150344340
2015-12-03

Chemical free and energy efficient desalination system

#140
20150298062
2015-10-22

Membrane seawater desalination pressurization and energy recovery integrated method and device

#141
20150240655
2015-08-27

Method and system for varying the width of a turbine nozzle

#142
20150151983
2015-06-04

Energy generation system and related uses thereof

#143
20150083666
2015-03-26

Reverse osmosis water-on-water control valve

#144
20150083656
2015-03-26

Process of supplying water of controlled salinity

#145
20150050167
2015-02-19

Pressure exchange device

#146
20140374356
2014-12-25

Active pressure intensifier, reverse osmosis system and use thereof

#147
20140311980
2014-10-23

System to Provide a Supply of Controlled Salinity Water for Enhanced Oil Recovery

#148
20140284262
2014-09-25

Volumetric pressure exchanger for a seawater desalination plant and desalination plant

#149
20140251909
2014-09-11

Induced symbiotic osmosis [ISO] for seawater deslination and pumping to high altitude

#150
20140238938
2014-08-28

Membrane based desalination apparatus with osmotic energy recovery and membrane based desalination method with osmotic energy recovery

#151
20140197104
2014-07-17

Apparatus and method for generating useful energy

#152
20140158624
2014-06-12

Modular sand filtration—anchor system and wave energy water desalination system incorporating the same

#153
20140151283
2014-06-05

Desalination system and desalination method

#154
20140102985
2014-04-17

Reverse osmosis water-on-water control valve

#155
20140048143
2014-02-20

Fluid exchanger devices, pressure exchangers, and related methods

#156
20140021122
2014-01-23

Seawater desalination system and energy exchange chamber

#157
20140008299
2014-01-09

Central pumping and energy recovery in a reverse osmosis system

#158
20130313190
2013-11-28

Chemical free and energy efficient desalination system

#159
20130294944
2013-11-07

Pressure exchanger and performance adjustment method of pressure exchanger

#160
20130277310
2013-10-24

Reverse osmosis system with energy recovery devices

#161
20130264253
2013-10-10

Energy recovery apparatus

#162
20130223978
2013-08-29

Method and system for tuning a turbine using secondary injection nozzles in nozzle ring

#163
20130160435
2013-06-27

Process for the production of hydraulic energy and production of potable water by direct osmosis

#164
20130082000
2013-04-04

Desalination system with energy recovery and related pumps, valves and controller

#165
20130037464
2013-02-14

Reverse osmosis system

#166
20130001163
2013-01-03

METHOD FOR PRODUCING FRESH WATER

#167
20120318737
2012-12-20

Processes and apparatus for inhibiting membrane bio-fouling

#168
20120285886
2012-11-15

Reciprocal enhancement of reverse osmosis and forward osmosis

#169
20120279923
2012-11-08

Continuous process batch-operated reverse osmosis system with in-tank membranes and circulation

#170
20120267292
2012-10-25

Seawater desalination system and energy exchange chamber

#171
20120261340
2012-10-18

Process of supplying water of controlled salinity

#172
20120168378
2012-07-05

METHOD FOR PRODUCING PURE WATER AND PURE WATER PRODUCTION APPARATUS

#173
20120160336
2012-06-28

Devices and Methods for Varying the Geometry and Volume of Fluid Circuits

#174
20120138536
2012-06-07

Reverse osmosis system with control based on flow rates in the permeate and brine streams

#175
20120118810
2012-05-17

Pump for a desalination system

#176
20120090718
2012-04-19

Tube body for pressure transducer

#177
20120067820
2012-03-22

METHOD AND APPARATUS FOR DYNAMIC, VARIABLE-PRESSURE, CUSTOMIZABLE, MEMBRANE-BASED WATER TREATMENT FOR USE IN IMPROVED HYDROCARBON RECOVERY OPERATIONS

#178
20120067808
2012-03-22

FILTRATION APPARATUS AND PROCESS WITH REDUCED FLUX IMBALANCE

#179
20120061309
2012-03-15

Seawater desalination system and energy exchange chamber

#180
20120061300
2012-03-15

MEMBRANE FILTRATION SYSTEM

#181
20120006944
2012-01-12

Pilot chute device

#182
20110315612
2011-12-29

DESALINATION APPARATUS AND METHOD OF CLEANING THE SAME

#183
20110309007
2011-12-22

SPIRAL TYPE SEAWATER DESALINATION APPARATUS

#184
20110278208
2011-11-17

Seawater desalination apparatus

#185
20110247989
2011-10-13

Filtering device and a method of filtering a fluid

#186
20110226698
2011-09-22

Dynamic Filtration

#187
20110203987
2011-08-25

Reverse osmosis system

#188
20110198290
2011-08-18

Control scheme for a reverse osmosis system using a hydraulic energy management integration system

#189
20110147285
2011-06-23

Reverse-osmosis water desalination plant

#190
20110133487
2011-06-09

Method and apparatus for osmotic power generation

#191
20110121574
2011-05-26

Spiral type membrane element, and spiral type membrane filtering device having the same

#192
20110108484
2011-05-12

METHOD OF IMPROVING PERFORMANCE OF A REVERSE OSMOSIS SYSTEM FOR SEAWATER DESALINATION, AND MODIFIED REVERSE OSMOSIS SYSTEM OBTAINED THEREBY

#193
20110089093
2011-04-21

Optimized work exchanger system

#194
20110062063
2011-03-17

POWER RECOVERY APPARATUS

#195
20110062062
2011-03-17

POWER RECOVERY APPARATUS

#196
20110044824
2011-02-24

Induced symbiotic osmosis [ISO] for salinity power generation

#197
20110006006
2011-01-13

Combined axial piston liquid pump and energy recovery pressure exchanger

#198
20110006005
2011-01-13

DESALINATION SYSTEM AND METHOD

#199
20100301252
2010-12-02

Universal Valve System

#200
20100269687
2010-10-28

Hydraulic axial piston machine

#201
20100230352
2010-09-16

Continuous process batch-operated reverse osmosis system with in-tank membranes and circulation

#202
20100196152
2010-08-05

Rotary pressure transfer device with improved flow

#203
20100192575
2010-08-05

PROCESS AND SYSTEMS

#204
20100187184
2010-07-29

Methods and systems for energy exchange

#205
20100086420
2010-04-08

SYSTEM FOR IMPELLING A FLUID BY RECIRCULATION FROM A LOW-PRESSURE MEDIUM TO A HIGH-PRESSURE MEDIUM

#206
20090308796
2009-12-17

Self-reciprocating energy recovery device

#207
20090289008
2009-11-26

Liquid treatment apparatus

#208
20090242471
2009-10-01

Power recovery chamber

#209
20090194471
2009-08-06

Reverse osmosis sea water desalination system

#210
20090180903
2009-07-16

Rotary pressure transfer device

#211
20090173676
2009-07-09

Small-volume reverse osmosis system with double-valve permeate pump

#212
20090152197
2009-06-18

System for Energy Recovery and Reduction of Deposits on the Membrane Surfaces in (Variable Power and Variable Production) Reverse Osmosis Desalination Systems

#213
20090110563
2009-04-30

Power recovery system

#214
20080296224
2008-12-04

REVERSE OSMOSIS PUMP SYSTEM

#215
20080290032
2008-11-27

Submersible reverse osmosis desalination apparatus and method

#216
20080210606
2008-09-04

Filtration System Preparation of Fluids for Medical Applications

#217
20080190848
2008-08-14

Central pumping and energy recovery in a reverse osmosis system

#218
20080152522
2008-06-26

Fluid pump and motor unit

#219
20080105617
2008-05-08

Two pass reverse osmosis system

#220
20080029461
2008-02-07

Proportioning, Regenerative, Rotary Pump

#221
20070289904
2007-12-20

Reverse osmosis system with control based on flow rates in the permeate and brine streams

#222
20070246425
2007-10-25

Direct osmosis cleaning

#223
20070221576
2007-09-27

Static Head Reverse Osmosis

#224
20070181473
2007-08-09

Water desalination installation

#225
20070128056
2007-06-07

Highly efficient durable fluid pump and method

#226
20070080113
2007-04-12

Two stage nanofiltration seawater desalination system

#227
20070045187
2007-03-01

Biofouling control of membrane water-purification systems

#228
20070045183
2007-03-01

Purified water reclamation process

#229
20060226077
2006-10-12

Integrated water decontamination plant and well pump arrangement

#230
20060157410
2006-07-20

Fully integrated NF-thermal seawater desalination process and equipment

#231
20060151033
2006-07-13

Three-way poppet valve for work exchanger

#232
20060124546
2006-06-15

Method and device for desalinating water while overcoming decreases in pressure

#233
20060065597
2006-03-30

Hybrid, reverse osmosis, water desalinization apparatus and method with energy recuperation assembly

#234
20060060245
2006-03-23

Flow-reversing valve

#235
20060054223
2006-03-16

Valve unit for pressure exchanger installations

#236
20060037907
2006-02-23

Pressure exchange apparatus with dynamic sealing mechanism

#237
20060037895
2006-02-23

Pressure exchange apparatus with integral pump

#238
20060033674
2006-02-16

Multi-function field-deployable resource harnessing apparatus and methods of manufacture

#239
20060032808
2006-02-16

Pressure exchanger

#240
20050224400
2005-10-13

Pressurisation system

#241
20050166978
2005-08-04

Pressure exchanger system

#242
20050133446
2005-06-23

Forward osmosis pressurized device and process for generating potable water

#243
16306592
2021-12-14

Pressure-exchange assisted closed circuit desalination systems for continuous desalination of low energy and high recovery under fixed flow and variable pressure conditions

#244
16140327
2019-07-02

System and method for detecting time-bomb malware

#245
14595333
2016-01-12

Cylinder arrangement and method of use for energy recovery with seawater desalination