ClassID:

30790

B01D2313/246 - CPC Classification

Classification description:

Details relating to membrane modules or apparatus; Specific pressurizing or depressurizing means Energy recovery means

Recent Application in this class:
#1
20260138093
2026-05-21

DIRECT WATER PURIFICATION SYSTEM WITH AUTOMATIC BACKWASH FUNCTION

#2
20260124582
2026-05-07

COMPONENTS FOR SEALING AND SEALING CONCEPT FOR A PRESSURE EXCHANGER

#3
20260054223
2026-02-26

Reverse Osmosis Systems and Methods

#4
20260054222
2026-02-26

SALINITY GRADIENT GRADE-SCALE ENERGY STORAGE METHOD AND APPARATUS

#5
20260054221
2026-02-26

INTEGRATED DESALINATION ENERGY RECOVERY MODULE

#6
20250376397
2025-12-11

INTEGRATION OF MEMBRANE DISTILLATION (MD) AND PRESSURE RETARDED OSMOSIS (PRO) TO TREAT PRODUCED WATER

#7
20250339820
2025-11-06

SYSTEM FOR REVERSE OSMOSIS

#8
20250256990
2025-08-14

LARGE SCALE DESALINATION PROCESS

#9
20250235825
2025-07-24

SYSTEMS AND METHODS FOR OSMOTICALLY ASSISTED REVERSE OSMOSIS CONFIGURATIONS

#10
20250196066
2025-06-19

Hybrid Energy Recovery System

#11
20250177881
2025-06-05

Heat Driven Osmosis Water and Power Generator

#12
20250144560
2025-05-08

Heat Driven Osmosis Water and Power Generator

#13
20250108331
2025-04-03

OFF-GRID TURBINE-DRIVEN CENTRIFUGAL REVERSE OSMOSIS SYSTEM, AND APPLICATIONS THEREOF

#14
20250032987
2025-01-30

A System for Processing Fluids

#15
20250010242
2025-01-09

REVERSE OSMOSIS CENTRIFUGE

#16
20240416283
2024-12-19

APPARATUS AND METHOD OF SEMI-CLOSED REVERSE OSMOSIS

#17
20240390854
2024-11-28

PRESSURE RETARDED OSMOSIS SYSTEM

#18
20240278178
2024-08-22

Reverse osmosis system

#19
20240269615
2024-08-15

ONE-WAY PRESSURE EXCHANGE DEVICE FOR REVERSE OSMOSIS DESALINATION PLANTS

#20
20240228352
2024-07-11

NANOFILTRATION PRETREATMENT OF SEAWATER FOR ELECTRODIALYSIS DESALINATION

#21
20240186793
2024-06-06

INTERMEDIATE POWER STORE FOR POWER GENERATING SYSTEMS

#22
20240100481
2024-03-28

System for reverse osmosis

#23
20240066471
2024-02-29

HYBRID SYSTEM AND METHOD OF WASTE HEAT UTILIZATION-BASED PHOTOVOLTAIC POWER GENERATION AND SEAWATER DESALINATION

#24
20240024820
2024-01-25

Reverse osmosis centrifuge

#25
20230271139
2023-08-31

SPIRAL WOUND MULTI-EFFECT MEMBRANE DISTILLATION MODULE

#26
20230233995
2023-07-27

MODIFIED KALINA SYSTEM FOR EFFICIENT POWER AND WATER PRODUCTION

#27
20230108642
2023-04-06

SEPARATION SYSTEM

#28
20230107529
2023-04-06

Osmotic solution mining

#29
20230093877
2023-03-30

SOLVATION ENTROPY ENGINE

#30
20230014345
2023-01-19

APPARATUS SYSTEM AND METHOD TO DESALINATE WATER

#31
20220410067
2022-12-29

BIMODAL REVERSE OSMOSIS AND PRESSURE RETARDED OSMOSIS FRAMEWORK

#32
20220395779
2022-12-15

Reverse osmosis arrangement

#33
20220356084
2022-11-10

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

#34
20220339583
2022-10-27

SALINITY GRADIENT GRADE-SCALE ENERGY STORAGE METHOD AND APPARATUS

#35
20220315469
2022-10-06

Cross current staged reverse osmosis

#36
20220314169
2022-10-06

Reverse osmosis centrifuge

#37
20220297064
2022-09-22

Reverse osmosis system

#38
20220267176
2022-08-25

APPARATUS, METHOD AND SYSTEM FOR DESALINATING WATER USING ENERGY RECOVERY

#39
20220176317
2022-06-09

Reverse osmosis filter system

#40
20220032233
2022-02-03

AN OCEAN WAVE POWERED DESALINATION SYSTEM

#41
20220016574
2022-01-20

Reverse osmosis unit

#42
20220001330
2022-01-06

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

#43
20210379531
2021-12-09

Reverse osmosis system and seawater desalination system having the same

#44
20210363028
2021-11-25

MODULAR PRESSURIZED WATER FILTRATION SYSTEM

#45
20210322929
2021-10-21

High recovery variable volume reverse osmosis membrane system

#46
20210299613
2021-09-30

Desalination system and method

#47
20210238062
2021-08-05

Method and system for operating a high recovery separation process

#48
20210214244
2021-07-15

Containerized desalination system

#49
20210178329
2021-06-17

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

#50
20210178328
2021-06-17

METHOD AND SYSTEM FOR PERFORMING REVERSE OSMOSIS WITH INTEGRATED PUMP STORAGE

#51
20210171382
2021-06-10

SWRO and MCDI coupled seawater desalination device system with energy recovery

#52
20210162345
2021-06-03

Reverse osmosis system

#53
20210122651
2021-04-29

Method and system for operating a high recovery separation process

#54
20210101116
2021-04-08

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

#55
20210031143
2021-02-04

Fluid power circuit having switch-mode power transformer and methods

#56
20200239337
2020-07-30

Method and system for operating a high recovery separation process

#57
20200222854
2020-07-16

Fluid system

#58
20200131056
2020-04-30

Method and system for operating a high recovery separation process

#59
20200087171
2020-03-19

Apparatus, method and system for desalinating water using energy recovery

#60
20200086274
2020-03-19

Advancements in osmotically driven membrane systems including multi-stage purification

#61
20190336914
2019-11-07

Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination

#62
20190323132
2019-10-24

METHOD FOR GENERATING CLEAN WATER, HYDROGEN, AND OXYGEN FROM CONTAMINATED EFFLUENT

#63
20190226463
2019-07-25

Osmotic power generator

#64
20190184339
2019-06-20

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

#65
20190151798
2019-05-23

System and method for desalination of water by reverse osmosis

#66
20190092656
2019-03-28

Method and system for operating a high recovery separation process

#67
20190078014
2019-03-14

Hydraulic geofracture energy storage system with desalination

#68
20190070560
2019-03-07

Process and system for treating waste water and generating power

#69
20190060834
2019-02-28

Apparatus system and method to separate brine from water

#70
20180312412
2018-11-01

Containerized desalination system

#71
20180290902
2018-10-11

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

#72
20180282186
2018-10-04

Method for operating reverse-osmosis membrane treatment system

#73
20180280880
2018-10-04

Device for Salvaging RO Water Filter Waste Water

#74
20180207585
2018-07-26

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

#75
20180193800
2018-07-12

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

#76
20180071685
2018-03-15

Energy-saving water purifying system

#77
20170354930
2017-12-14

Desalination apparatus

#78
20170349467
2017-12-07

Cross current staged reverse osmosis

#79
20170349466
2017-12-07

Cross current staged reverse osmosis

#80
20170349465
2017-12-07

Cross current staged reverse osmosis

#81
20170349455
2017-12-07

Apparatus, method and system for desalinating water

#82
20170334747
2017-11-23

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

#83
20170173534
2017-06-22

Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during seawater desalination

#84
20170136411
2017-05-18

METHOD FOR PURIFYING LIQUID AND SYSTEM FOR THE IMPLEMENTATION THEREOF

#85
20170120194
2017-05-04

Energy recovery system

#86
20170066670
2017-03-09

Integrated reverse osmosis/pressure retarded osmosis system

#87
20170029294
2017-02-02

Apparatus for treating water or liquids in general

#88
20160346735
2016-12-01

Water treatment system

#89
20160250595
2016-09-01

Seawater desalination system and energy recovery device

#90
20160244343
2016-08-25

Liquid treatment apparatus

#91
20160089633
2016-03-31

Reverse osmosis system

#92
20160051933
2016-02-25

Seawater desalination system and energy recovery apparatus

#93
20160038882
2016-02-11

SPIRAL TYPE SEAWATER DESALINATION APPARATUS

#94
20160038880
2016-02-11

Advancements in osmotically driven membrane systems including low pressure control

#95
20160030887
2016-02-04

Seawater desalination system and energy recovery apparatus

#96
20160002074
2016-01-07

Advancements in osmotically driven membrane systems including multi-stage purification

#97
20150352497
2015-12-10

Salt water desalination equipment

#98
20150240655
2015-08-27

Method and system for varying the width of a turbine nozzle

#99
20150050167
2015-02-19

Pressure exchange device

#100
20140374356
2014-12-25

Active pressure intensifier, reverse osmosis system and use thereof

#101
20140360941
2014-12-11

Reverse osmosis treatment apparatus

#102
20140284262
2014-09-25

Volumetric pressure exchanger for a seawater desalination plant and desalination plant

#103
20140197104
2014-07-17

Apparatus and method for generating useful energy

#104
20140190877
2014-07-10

Electricity-free water purification installation with a membrane filter and a system of automatic backwashing of the filter

#105
20140021122
2014-01-23

Seawater desalination system and energy exchange chamber

#106
20140008299
2014-01-09

Central pumping and energy recovery in a reverse osmosis system

#107
20130294944
2013-11-07

Pressure exchanger and performance adjustment method of pressure exchanger

#108
20130292334
2013-11-07

Water desalination mechanism

#109
20130277310
2013-10-24

Reverse osmosis system with energy recovery devices

#110
20130213892
2013-08-22

Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations

#111
20130161256
2013-06-27

Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations

#112
20130153498
2013-06-20

Ethanol/water vapor permeation membrane separation process with heat and energy recovery via temperature and flow control

#113
20130082000
2013-04-04

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

#114
20120279923
2012-11-08

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

#115
20120267292
2012-10-25

Seawater desalination system and energy exchange chamber

#116
20120160336
2012-06-28

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

#117
20120067808
2012-03-22

FILTRATION APPARATUS AND PROCESS WITH REDUCED FLUX IMBALANCE

#118
20120061309
2012-03-15

Seawater desalination system and energy exchange chamber

#119
20120006944
2012-01-12

Pilot chute device

#120
20110309007
2011-12-22

SPIRAL TYPE SEAWATER DESALINATION APPARATUS

#121
20110303608
2011-12-15

Desalination System

#122
20110226698
2011-09-22

Dynamic Filtration

#123
20110203987
2011-08-25

Reverse osmosis system

#124
20110198290
2011-08-18

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

#125
20110114561
2011-05-19

SPIRAL TYPE MEMBRANE FILTERING DEVICE AND MOUNTING MEMBER, AND MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE MANAGING METHOD USING THE SAME

#126
20110108484
2011-05-12

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

#127
20110100218
2011-05-05

Method for combining desalination and osmotic power with carbon dioxide capture

#128
20110089093
2011-04-21

Optimized work exchanger system

#129
20110006006
2011-01-13

Combined axial piston liquid pump and energy recovery pressure exchanger

#130
20100301252
2010-12-02

Universal Valve System

#131
20100269687
2010-10-28

Hydraulic axial piston machine

#132
20100230352
2010-09-16

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

#133
20100196152
2010-08-05

Rotary pressure transfer device with improved flow

#134
20100192575
2010-08-05

PROCESS AND SYSTEMS

#135
20100187184
2010-07-29

Methods and systems for energy exchange

#136
20100024893
2010-02-04

Reverse Osmosis Filtration Systems

#137
20090289008
2009-11-26

Liquid treatment apparatus

#138
20090194471
2009-08-06

Reverse osmosis sea water desalination system

#139
20090180903
2009-07-16

Rotary pressure transfer device

#140
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

#141
20090152184
2009-06-18

Hollow fiber membrane modules for use in distillation systems

#142
20080290032
2008-11-27

Submersible reverse osmosis desalination apparatus and method

#143
20080190848
2008-08-14

Central pumping and energy recovery in a reverse osmosis system

#144
20070256977
2007-11-08

Reverse osmosis water filtering system

#145
20070181473
2007-08-09

Water desalination installation

#146
20070045165
2007-03-01

Reverse osmosis filtration systems

#147
20060169702
2006-08-03

Pressure container

#148
17724084
2022-11-01

System and method for desalination

#149
17476944
2022-04-19

Supercoil filtration unit

#150
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