ClassID:

30752

B01D2311/2649 - page 2 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control; Further operations combined with membrane separation processes Filtration

Recent Application in this class:
#301
20080290032
2008-11-27

Submersible reverse osmosis desalination apparatus and method

#302
20080290030
2008-11-27

System and Method for Treatment of Acidic Wastewater

#303
20080245733
2008-10-09

Method and apparatus for the filtration of biological solutions

#304
20080237110
2008-10-02

Membrane cascade-based separation

#305
20080230474
2008-09-25

System and method for filtering water and/or wastewater

#306
20080217239
2008-09-11

Liquid filtration media

#307
20080179242
2008-07-31

METHOD FOR TREATMENT OF FEEDWATERS BY MEMBRANE SEPARATION UNDER ACIDIC CONDITIONS

#308
20080164195
2008-07-10

Prefilter system for biological systems

#309
20080105618
2008-05-08

METHOD AND APPARATUS FOR THE REMOVAL OF HARMFUL CONTAMINANTS FROM PORTABLE DRINKING WATER DEVICES

#310
20080087587
2008-04-17

Drainless reverse osmosis water purification system

#311
20070284299
2007-12-13

Seawater desalination system using jet technique

#312
20070284100
2007-12-13

Scale inhibition method

#313
20070246426
2007-10-25

Water flooding method

#314
20070181484
2007-08-09

Modular reverse osmosis water treatment system

#315
20070151925
2007-07-05

Method and apparatus for the filtration of biological solutions

#316
20070151924
2007-07-05

Method and apparatus for the filtration of biological samples

#317
20070102359
2007-05-10

Treating produced waters

#318
20070045187
2007-03-01

Biofouling control of membrane water-purification systems

#319
20070045165
2007-03-01

Reverse osmosis filtration systems

#320
20070039883
2007-02-22

Water separation system

#321
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#322
20070031954
2007-02-08

Ethanol recovery process

#323
20070012625
2007-01-18

Residential reverse osmosis system

#324
20070003370
2007-01-04

Method for treating landfill leachate

#325
20060249455
2006-11-09

Process for removing protein aggregates and virus from a protein solution

#326
20060144789
2006-07-06

Systems and methods for purification of liquids

#327
20060131230
2006-06-22

Biological membrane filtration system for water treatment and a water treatment process

#328
20060130481
2006-06-22

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

#329
20060118472
2006-06-08

Single-use manifold and sensors for automated, aseptic transfer of solutions in bioprocessing applications

#330
20060091075
2006-05-04

Water filtration using immersed membranes

#331
20060065601
2006-03-30

Water purification system utilizing a carbon block pre-filter

#332
20060049092
2006-03-09

Membrane bioreactor

#333
20060021938
2006-02-02

Water treatment by dendrimer enhanced filtration

#334
20060011546
2006-01-19

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

#335
20050258100
2005-11-24

Membrane cascade-based separation

#336
20050252858
2005-11-17

Fuel and by-products from fermentation still bottoms

#337
20050236309
2005-10-27

Desalination system

#338
20050205489
2005-09-22

Prefilter system for biological systems

#339
20050150832
2005-07-14

Dialysate regeneration system for portable human dialysis

#340
20050145548
2005-07-07

Water treatment system

#341
20050098499
2005-05-12

Process for pre-treating and desalinating sea water

#342
20050082227
2005-04-21

Water filtration using immersed membranes

#343
20050051488
2005-03-10

System and method for treatment of acidic wastewater

#344
20050051470
2005-03-10

Water filtration system for food processing line

#345
20050016906
2005-01-27

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

#346
20050000895
2005-01-06

Use of polymer as flocculation aid in membrane filtration

#347
17724084
2022-11-01

System and method for desalination

#348
17556821
2024-04-30

Use of hollow fiber filtration in conjunction with precipitant technologies to reclaim water from complex aqueous waste streams

#349
17518719
2023-07-04

Stabilized electromagnetic base liquid, formation thereof and application to high-salt wastewater treatment

#350
17245333
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#351
17245276
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#352
16599316
2020-07-14

Coated porous substrates for fracking water treatment

#353
16539951
2021-12-21

Use of hollow fiber filtration in conjunction with precipitant technologies to reclaim water from complex aqueous waste streams

#354
15968622
2019-01-22

System and method for pretreating turbid seawater

#355
15473003
2020-06-16

Process to remove transition metals from waste water

#356
15226640
2020-04-28

Water filtration system and method of use

#357
13507538
2016-01-26

Forward osmosis using magnetic nanoparticle draw solutions