ClassID:

29828

B01D61/04 - page 2 - 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 Feed pretreatment

Recent Application in this class:
#301
20150165381
2015-06-18

NANOFILTRATION PROCESS FOR IMPURITY REMOVAL

#302
20150136666
2015-05-21

Drinking water vending dispenser facilitated to collect and purify drainage water

#303
20150060286
2015-03-05

Water treatment systems and associated methods

#304
20150048027
2015-02-19

Method for high efficiency reverse osmosis operation

#305
20150034556
2015-02-05

Method and apparatus for treating accompanied water from a well

#306
20150014250
2015-01-15

Chlorine measurement/filter testing/brine container monitoring of a water treatment system

#307
20150014068
2015-01-15

Weighing device for use in a water treatment system

#308
20150007719
2015-01-08

Method for treating impurities contained in exhaust gases of ships, ship with exhaust gas scrubber, and purification unit

#309
20140367334
2014-12-18

Method for preventing microbial growth on a filtration membrane

#310
20140311980
2014-10-23

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

#311
20140291241
2014-10-02

Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes

#312
20140263055
2014-09-18

Ion sequestration for scale prevention in high-recovery desalination systems

#313
20140231342
2014-08-21

Decontaminant, carbon/polymer composite, decontamination sheet member and filter medium

#314
20140224734
2014-08-14

Removal of boron from saline water using alkalized NF membrane pretreatment

#315
20140197086
2014-07-17

Water treatment systems and methods

#316
20140158642
2014-06-12

Method of manufacturing filter aid

#317
20140158624
2014-06-12

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

#318
20140151303
2014-06-05

Process for the treatment of contaminated water by means of adsorption and nanofiltration

#319
20140124442
2014-05-08

Method of membrane separation

#320
20140110339
2014-04-24

Method for high efficiency reverse osmosis operation

#321
20140048471
2014-02-20

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#322
20140042029
2014-02-13

System for rinsing electrodialysis electrodes

#323
20140021138
2014-01-23

Filtration system

#324
20140014563
2014-01-16

Desalination system and process

#325
20140008306
2014-01-09

Modular sand filtration-anchor system and wave energy water desalinization system incorporating the same

#326
20140008290
2014-01-09

Filtration filter and production method therefor

#327
20130313190
2013-11-28

Chemical free and energy efficient desalination system

#328
20130248445
2013-09-26

Membrane filtration process with high water recovery

#329
20130248444
2013-09-26

Method for scaling control in a membrane system operation via a control system of a plant

#330
20130168097
2013-07-04

Method and system for enhancing oil recovery (EOR) by injecting treated water into an oil bearing formation

#331
20130118984
2013-05-16

Process and system for treating water

#332
20130118982
2013-05-16

Wastewater treatment system

#333
20130081997
2013-04-04

SEPARATION MEMBRANE FOR SEAWATER DESALINATION PRETREATMENT, SEAWATER DESALINATION PRETREATMENT DEVICE, SEAWATER DESALINATION APPARATUS, AND SEAWATER DESALINATION METHOD

#334
20130062289
2013-03-14

Treatment of phosphate-containing wastewater

#335
20130062282
2013-03-14

METHOD FOR HIGH EFFICIENCY REVERSE OSMOSIS OPERATION

#336
20130056417
2013-03-07

REMOVAL OF BORON FROM SALINE WATER USING ALKALIZED NF MEMBRANE PRETREATMENT

#337
20130048549
2013-02-28

Drainless reverse osmosis water purification system

#338
20130043190
2013-02-21

High recovery drinking water process

#339
20130037495
2013-02-14

Multi Layered Particulate Filter for Reducing the Turbidity and SDI of Water Filter

#340
20130032535
2013-02-07

Enhanced high water recovery membrane process

#341
20130032533
2013-02-07

Integrated membrane system for distributed water treatment

#342
20130004994
2013-01-03

METHOD FOR PRODUCING PURE SUGAR SOLUTION, AND METHOD FOR PRODUCING CHEMICAL PRODUCT

#343
20120325733
2012-12-27

Reverse osmosis and de-ionized water supply for window cleaning

#344
20120305483
2012-12-06

System and Method for Treatment of Acidic Wastewater

#345
20120298578
2012-11-29

SYSTEMS AND METHODS FOR FILTRATION

#346
20120298570
2012-11-29

FILTRATION APPARATUS AND WATER TREATMENT APPARATUS

#347
20120273418
2012-11-01

BORON RECOVERY TREATMENT METHOD

#348
20120255918
2012-10-11

USE OF RHAMNOLIPIDS IN THE WATER TREATMENT INDUSTRY

#349
20120255907
2012-10-11

Water producing system and operation method therefor

#350
20120228221
2012-09-13

METHOD OF CLEANING FILTRATION MEMBRANE

#351
20120211420
2012-08-23

Desalination apparatus and desalination method

#352
20120206549
2012-08-16

WASTEWATER PURIFYING SYSTEM, WASHING DEVICE, AND INKJET PRINTER SYSTEM

#353
20120193298
2012-08-02

PLATFORM TECHNOLOGY FOR INDUSTRIAL SEPARATIONS

#354
20120193287
2012-08-02

Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes

#355
20120181229
2012-07-19

Method of treating a plant wastewater and treatment system therefor

#356
20120160753
2012-06-28

WATER DESALINATION PLANT AND SYSTEM FOR THE PRODUCTION OF PURE WATER AND SALT

#357
20120152855
2012-06-21

SYSTEMS AND APPARATUS FOR SEAWATER ORGANICS REMOVAL

#358
20120145636
2012-06-14

High efficiency water purification system

#359
20120145634
2012-06-14

High Efficiency Water Purification System

#360
20120141357
2012-06-07

Method for producing of ultra-clean and high-purity aqueous hydrogen peroxide solution

#361
20120085701
2012-04-12

Process and plant for treating a water stream

#362
20120085687
2012-04-12

UNIHOUSING PORTABLE WATER FILTRATION SYSTEM

#363
20120061300
2012-03-15

MEMBRANE FILTRATION SYSTEM

#364
20120017942
2012-01-26

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#365
20120000851
2012-01-05

WATER TREATMENT SYSTEMS AND METHODS

#366
20110315631
2011-12-29

Multi-use high water recovery process

#367
20110315612
2011-12-29

DESALINATION APPARATUS AND METHOD OF CLEANING THE SAME

#368
20110309038
2011-12-22

Filtering device and method of manufacturing same

#369
20110278225
2011-11-17

METHOD FOR PURIFYING WATER BY CYCLIC IONIC EXCHANGE

#370
20110266224
2011-11-03

Enhanced high water recovery membrane process

#371
20110247980
2011-10-13

Method and system to recover waste heat to preheat feed water for a reverse osmosis unit

#372
20110233137
2011-09-29

Systems and methods for purification of liquids

#373
20110186513
2011-08-04

Water treatment systems and methods

#374
20110180465
2011-07-28

High efficiency reverse osmosis system

#375
20110174707
2011-07-21

Ballast Water Utilization System

#376
20110163031
2011-07-07

Method and apparatus for recovery of water containing silica

#377
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

#378
20110155665
2011-06-30

Method and System for High Recovery Water Desalting

#379
20110152583
2011-06-23

Purification of biologically-produced 1,3-propanediol

#380
20110152581
2011-06-23

Purification Of Biologically-Produced 1,3-Propanediol

#381
20110147285
2011-06-23

Reverse-osmosis water desalination plant

#382
20110120870
2011-05-26

METHOD AND APPARATUS FOR TREATING A FLUID

#383
20110094965
2011-04-28

Enhanced high water recovery membrane process

#384
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#385
20110049054
2011-03-03

WASTEWATER TREATMENT SYSTEM

#386
20110049049
2011-03-03

WATER PURIFICATION SYSTEM SKID

#387
20110049048
2011-03-03

WATER PURIFICATION SYSTEM

#388
20110048921
2011-03-03

Solar desalinization plant

#389
20110036240
2011-02-17

High pressure liquid degassing membrane contactors and methods of manufacturing and use

#390
20110017666
2011-01-27

Systems and methods for purification of liquids

#391
20110011801
2011-01-20

Desalination system and process

#392
20100326928
2010-12-30

Filtration System

#393
20100317891
2010-12-16

METHOD FOR THE PURIFICATION OF ORGANIC ACIDS

#394
20100314327
2010-12-16

PLATFORM TECHNOLOGY FOR INDUSTRIAL SEPARATIONS

#395
20100314318
2010-12-16

HALOGENATED AMIDE BIOCIDAL COMPOUNDS AND METHODS FOR TREATING WATER SYSTEMS AT NEAR NEUTRAL TO HIGH PH

#396
20100282675
2010-11-11

SYSTEM AND METHOD FOR REVERSIBLE CATION-EXCHANGE DESALINATION

#397
20100270217
2010-10-28

Drainless reverse osmosis water purification system

#398
20100237015
2010-09-23

DESALINATION SYSTEM

#399
20100193436
2010-08-05

Pre-treatment reverse osmosis water recovery method for brine retentate metals removal

#400
20100181252
2010-07-22

METHOD AND SYSTEM FOR PURIFYING A LIQUID COMPRISING CRYSTAL INHIBITOR RECOVERY

#401
20100176056
2010-07-15

METHOD FOR PREVENTING BIOFOULING ON SURFACES USING ULTRAVIOLET PRE-TREATMENT

#402
20100163487
2010-07-01

Method for recovering a used slurry

#403
20100163471
2010-07-01

WATER DESALINATION PLANT AND SYSTEM FOR THE PRODUCTION OF PURE WATER AND SALT

#404
20100147765
2010-06-17

METHOD OF TREATING LIQUID WASTE

#405
20100108274
2010-05-06

DISPOSAL PROCESS FOR SULFIDE-FREE BLACK LIQUORS

#406
20100096326
2010-04-22

METHOD TO CONTROL REVERSE OSMOSIS MEMBRANE BIOFOULING IN MUNICIPAL WATER PRODUCTION

#407
20100059439
2010-03-11

METHOD OF SIMULTANEOUSLY CONCENTRATING AND DETOXIFYING SUGARS BEFORE FERMENTATION

#408
20100047156
2010-02-25

MULTIPLE STAGE REVERSE OSMOSIS METHOD FOR REMOVING BORON FROM A SALINATED FLUID

#409
20100044292
2010-02-25

WATER PURIFICATION MODULE

#410
20100032373
2010-02-11

METHOD FOR THE OPTIMISED MANAGEMENT OF A MEMBRANE FILTRATION UNIT AND EQUIPMENT FOR REALISING THE SAME

#411
20100025329
2010-02-04

METHOD FOR TREATMENT WITH REVERSE OSMOSIS MEMBRANE

#412
20100018921
2010-01-28

Reverse osmosis water recover method

#413
20090223896
2009-09-10

Water treatment by dendrimer-enhanced filtration

#414
20090188867
2009-07-30

METHODS AND SYSTEMS FOR PROCESSING WASTE WATER

#415
20090173683
2009-07-09

Drainless reverse osmosis water purification system

#416
20090134080
2009-05-28

Purified Water Production and Distribution System

#417
20090127196
2009-05-21

Method for recycling wastewater

#418
20090050565
2009-02-26

System and Method for Removing Contaminants From Wastewater

#419
20090039020
2009-02-12

METHODS FOR REDUCING BORON CONCENTRATION IN HIGH SALINITY LIQUID

#420
20090020728
2009-01-22

METHOD FOR CONTROLLING THE THICKENING OF AQUEOUS SYSTEMS

#421
20080290033
2008-11-27

METHOD AND APPARATUS FOR RECOVERY OF WATER CONTAINING SILICA

#422
20080290032
2008-11-27

Submersible reverse osmosis desalination apparatus and method

#423
20080290030
2008-11-27

System and Method for Treatment of Acidic Wastewater

#424
20080277344
2008-11-13

Brackish and sea water desalination using a hybrid ion exchange-nanofiltration process

#425
20080230474
2008-09-25

System and method for filtering water and/or wastewater

#426
20080190863
2008-08-14

Method for treatment of effluents using pulsed electric fields and solid/liquid separation

#427
20080179242
2008-07-31

METHOD FOR TREATMENT OF FEEDWATERS BY MEMBRANE SEPARATION UNDER ACIDIC CONDITIONS

#428
20080169202
2008-07-17

Process to prepare chlorine-containing compounds

#429
20080169098
2008-07-17

Desalination method

#430
20080156710
2008-07-03

Pure water producing apparatus

#431
20080156633
2008-07-03

Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separation systems

#432
20080093282
2008-04-24

Water treatment system

#433
20080087603
2008-04-17

Fluid purification methods and devices

#434
20080087587
2008-04-17

Drainless reverse osmosis water purification system

#435
20080052094
2008-02-28

WATER DISPENSING SYSTEMS AND METHODS

#436
20080035565
2008-02-14

Procedure for elimination of boron from sea-water by reverse osmosis membranes

#437
20070284299
2007-12-13

Seawater desalination system using jet technique

#438
20070256977
2007-11-08

Reverse osmosis water filtering system

#439
20070227962
2007-10-04

Intake for water desalination systems, and methods of use

#440
20070215546
2007-09-20

Method of integrating water treatment assemblies

#441
20070181498
2007-08-09

Method and a system for purifying water from a basin, in particular a swimming pool

#442
20070181484
2007-08-09

Modular reverse osmosis water treatment system

#443
20070119782
2007-05-31

Method and system for controlling corrosivity of purified water

#444
20070119779
2007-05-31

Method for treating raw water containing hardly decomposable substance

#445
20070102359
2007-05-10

Treating produced waters

#446
20070090039
2007-04-26

Apparatus and method for treating injection fluid

#447
20070056907
2007-03-15

Intake for water desalination systems, and methods of use

#448
20070056904
2007-03-15

Cleaning of filtration membranes with peroxides

#449
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#450
20070029236
2007-02-08

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#451
20070012571
2007-01-18

Apparatus, system and method for removing a contaminant in a fluid through the application of an electrostatic field

#452
20070003370
2007-01-04

Method for treating landfill leachate

#453
20060283802
2006-12-21

Methods and systems for producing electricity and desalinated water

#454
20060231491
2006-10-19

High purity water produced by reverse osmosis

#455
20060219613
2006-10-05

Water purification system and method

#456
20060201882
2006-09-14

Method and system for treating wastewater containing hydrogen peroxide

#457
20060196836
2006-09-07

Process for the treatment of saline water

#458
20060175256
2006-08-10

Ceramic membrane water filtration

#459
20060157410
2006-07-20

Fully integrated NF-thermal seawater desalination process and equipment

#460
20060157409
2006-07-20

Optimal high recovery, energy efficient dual fully integrated nanofiltration seawater reverse osmosis desalination process and equipment

#461
20060151393
2006-07-13

Water purification and disenfection device and method

#462
20060144789
2006-07-06

Systems and methods for purification of liquids

#463
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#464
20060130481
2006-06-22

Renewable portable stored energy power generating apparatus with alternate water source capability

#465
20060108289
2006-05-25

Methods for removing metals from water

#466
20060091048
2006-05-04

Water purification system

#467
20060081537
2006-04-20

Method and system for the treatment of liquid effluents containing pollutants in a suspension

#468
20060065601
2006-03-30

Water purification system utilizing a carbon block pre-filter

#469
20060065599
2006-03-30

Process for reducing the content of water-soluble salts of aqueous solutions of polymers containing vinylamine groups and use of the desalted polymers in the manufacture of multicomponent superabsorbent gels

#470
20060021938
2006-02-02

Water treatment by dendrimer enhanced filtration

#471
20060016751
2006-01-26

Method of concentrating pulp mill extracts

#472
20060011546
2006-01-19

Portable compact ultra high purity water system via direct processing from city feed water

#473
20050284806
2005-12-29

Nanofiltration system for water softening with internally staged spiral wound modules

#474
20050269265
2005-12-08

Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration

#475
20050263386
2005-12-01

Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separation systems

#476
20050252858
2005-11-17

Fuel and by-products from fermentation still bottoms

#477
20050242036
2005-11-03

Chemical and sludge free water treatment process

#478
20050236309
2005-10-27

Desalination system

#479
20050211638
2005-09-29

Effluent treatment combining solid/liquid separation and pulsed electric fields

#480
20050211632
2005-09-29

Base dosing water purification system and method

#481
20050173317
2005-08-11

One-piece manifold for a reverse osmosis system

#482
20050171501
2005-08-04

Intravenous solution producing systems and methods

#483
20050155939
2005-07-21

Process for producing a sterilization system

#484
20050145548
2005-07-07

Water treatment system

#485
20050139555
2005-06-30

Method of purifying Fischer-Tropsch derived water

#486
20050127001
2005-06-16

Method and device for producing a metal hydroxide

#487
20050121388
2005-06-09

Production of water for injection using reverse osmosis

#488
20050098499
2005-05-12

Process for pre-treating and desalinating sea water

#489
20050069997
2005-03-31

Purification of biologically-produced 1,3-propanediol

#490
20050061741
2005-03-24

Method for treating reverse osmosis membranes with chlorine dioxide

#491
20050056590
2005-03-17

Process for the removal of contaminants from water

#492
20050051488
2005-03-10

System and method for treatment of acidic wastewater

#493
20050040087
2005-02-24

Reduced-waste reverse osmosis water supply system

#494
20050035059
2005-02-17

Treatment of swine wastewater by biological and membrane separation technologies

#495
20050023222
2005-02-03

Filtration apparatus and method

#496
20050016906
2005-01-27

Mobile field electrical supply, water purification system, wash system, water collection, reclamation, and telecommunication apparatus

#497
20050011832
2005-01-20

Water desalination process using ion selective membranes

#498
20050000897
2005-01-06

Method for purifying a dry cleaning solvent

#499
19082480
2026-01-20

Integrated method and apparatus for treatment of produced water

#500
18794594
2025-01-21

Water reclamation system

#501
18376741
2024-04-23

Application of structurally altered gas molecules to enhance water treatment and desalination processes

#502
18100436
2023-08-15

Portable reverse osmosis system

#503
15789996
2018-05-01

Separation of clean water from effluent streams