ClassID:

29830

B01D61/08 - page 3 - 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 Apparatus therefor

Recent Application in this class:
#601
20100116742
2010-05-13

Reverse osmosis system

#602
20100116741
2010-05-13

Reverse osmosis system

#603
20100116724
2010-05-13

Reverse osmosis water filtering system

#604
20100051546
2010-03-04

WATER TREATMENT SYSTEMS AND METHODS

#605
20100038292
2010-02-18

Apparatus for Desalination and Pressure Washing

#606
20100032377
2010-02-11

Apparatus and methods for solution processing using reverse osmosis

#607
20100024893
2010-02-04

Reverse Osmosis Filtration Systems

#608
20100003381
2010-01-07

MOBILE CONCENTRATION SYSTEM AND METHOD FOR MILK

#609
20100000929
2010-01-07

System comprising a fluid treatment module and a support structure

#610
20090314703
2009-12-24

System and Method for Demonstrating Water Filtration and Purification Techniques

#611
20090289008
2009-11-26

Liquid treatment apparatus

#612
20090255874
2009-10-15

Versatile water purification systems and methods

#613
20090250398
2009-10-08

SEAWATER DESALINATION SYSTEM AND METHOD

#614
20090236286
2009-09-24

Method, apparatus, and processes for producing potable water utilizing reverse osmosis at ocean depth in combination with shipboard moisture dehumidification

#615
20090223881
2009-09-10

Reverse Osmosis System with Dual Water Intake

#616
20090188865
2009-07-30

Batch-operated reverse osmosis system with manual energization

#617
20090173691
2009-07-09

Batch-operated reverse osmosis system with multiple membranes in a pressure vessel

#618
20090173690
2009-07-09

Batch-operated reverse osmosis system

#619
20090173686
2009-07-09

Water treatment device

#620
20090173683
2009-07-09

Drainless reverse osmosis water purification system

#621
20090173676
2009-07-09

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

#622
20090123347
2009-05-14

FLUID TREATMENT SYSTEM

#623
20090120877
2009-05-14

METHOD FOR DESALINATION

#624
20090101565
2009-04-23

Water-Cleaner

#625
20090071902
2009-03-19

Hybrid RO/PRO system

#626
20090008931
2009-01-08

Residential reverse osmosis system

#627
20090001013
2009-01-01

Residential reverse osmosis system

#628
20090001003
2009-01-01

Residential reverse osmosis system

#629
20090000999
2009-01-01

Residential reverse osmosis system

#630
20080289403
2008-11-27

Device for measuring load loss in reverse osmosis membrane containers

#631
20080237109
2008-10-02

Crossflow filtration system with quick dry change elements

#632
20080230474
2008-09-25

System and method for filtering water and/or wastewater

#633
20080217230
2008-09-11

Water filtering method and apparatus

#634
20080190849
2008-08-14

DEPTH EXPOSED MEMBRANE FOR WATER EXTRACTION

#635
20080190848
2008-08-14

Central pumping and energy recovery in a reverse osmosis system

#636
20080173589
2008-07-24

DESALINATED WATER PACKAGING

#637
20080164189
2008-07-10

Under-the-sink reverse osmosis water purification system with water temperature control

#638
20080093275
2008-04-24

Filtration system manifolds

#639
20080087587
2008-04-17

Drainless reverse osmosis water purification system

#640
20080011689
2008-01-17

Desalination on an offshore apparatus

#641
20080011681
2008-01-17

Desalination Method

#642
20080011657
2008-01-17

WATER-CLEANER

#643
20070215546
2007-09-20

Method of integrating water treatment assemblies

#644
20070187328
2007-08-16

Method and system for filtering sediment-bearing fluids

#645
20070163930
2007-07-19

Multiple barrier filter apparatus

#646
20070160951
2007-07-12

PROCESS AND APPARATUS FOR THE TREATMENT OF MEDICAL WATER

#647
20070151915
2007-07-05

Water desalination

#648
20070084771
2007-04-19

Apparatus for supplying drinking water

#649
20070045165
2007-03-01

Reverse osmosis filtration systems

#650
20070039860
2007-02-22

Deep sea water harvesting method, apparatus, and product

#651
20070023363
2007-02-01

Installation and method for the purification of an aqueous effluent by means of oxidation and membrane filtration

#652
20070023347
2007-02-01

Liquid separation apparatus

#653
20070012625
2007-01-18

Residential reverse osmosis system

#654
20060266690
2006-11-30

Portable water filtration device

#655
20060261009
2006-11-23

Extraction of dihydrogen oxide stratagies and solutions

#656
20060254981
2006-11-16

Apparatus for continuous closed circuit desalination under variable pressure with a single container

#657
20060219613
2006-10-05

Water purification system and method

#658
20060196819
2006-09-07

External pressure hollow fibre membrane separation system

#659
20060186032
2006-08-24

Modular fluid processing system with reversible plumbing connection

#660
20060151393
2006-07-13

Water purification and disenfection device and method

#661
20060138031
2006-06-29

Residential reverse osmosis system

#662
20060131219
2006-06-22

Reverse osmosis filter machine with autocontrol structure

#663
20060130481
2006-06-22

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

#664
20060124517
2006-06-15

Compact personal water purification device

#665
20060102546
2006-05-18

System comprising fluid treatment module and a support structure

#666
20060091048
2006-05-04

Water purification system

#667
20060065601
2006-03-30

Water purification system utilizing a carbon block pre-filter

#668
20060043008
2006-03-02

Reverse osmosis water purification system

#669
20060011546
2006-01-19

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

#670
20050284806
2005-12-29

Nanofiltration system for water softening with internally staged spiral wound modules

#671
20050247609
2005-11-10

Fluid treatment system

#672
20050218062
2005-10-06

Apparatus and method for separating impurities from a stream

#673
20050211632
2005-09-29

Base dosing water purification system and method

#674
20050173333
2005-08-11

Membrane devices and device components

#675
20050173319
2005-08-11

Crossflow filtration system with quick dry change elements

#676
20050171501
2005-08-04

Intravenous solution producing systems and methods

#677
20050145570
2005-07-07

Method and apparatus for parallel desalting

#678
20050145548
2005-07-07

Water treatment system

#679
20050121388
2005-06-09

Production of water for injection using reverse osmosis

#680
20050115875
2005-06-02

Zero waste reverse osmosis water filtering

#681
20050109703
2005-05-26

Flow-through tank for water treatment

#682
20050092664
2005-05-05

Improvised device for concentrating the aqueous solution and a pocess thereof

#683
20050087492
2005-04-28

Reverse osmosis water filtering system

#684
20050061719
2005-03-24

Humidification system

#685
20050040087
2005-02-24

Reduced-waste reverse osmosis water supply system

#686
20050035059
2005-02-17

Treatment of swine wastewater by biological and membrane separation technologies

#687
20050035048
2005-02-17

Filtration system with anti-telescoping device

#688
20050023198
2005-02-03

Fluid treatment system

#689
20050023194
2005-02-03

Automated low-volume tangential flow filtration process development device

#690
20050016906
2005-01-27

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

#691
19184453
2025-11-18

Reverse osmosis systems

#692
18100436
2023-08-15

Portable reverse osmosis system

#693
16992538
2020-11-10

Hybrid potable water generator

#694
16914196
2023-04-04

Vital water

#695
16739989
2023-01-31

Osmotic system and method for food and oxygen production

#696
16548457
2020-03-10

Apparatus and method to extract purified water from saline and other fluids

#697
16408338
2020-07-21

Environmental water system

#698
16293431
2020-07-21

Reverse osmosis system

#699
16105103
2020-12-15

Energy efficient low-fouling high-recovery reverse osmosis system for brackish water desalination

#700
15930494
2021-01-05

System and method for reducing water pump cycling and TDS creep when producing purified water

#701
15727470
2020-12-29

Hyper-oxygenated soaking spa system

#702
15707015
2019-11-12

Pump-assisted water filtration system