ClassID:

86223

C02F1/441 - page 10 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis

Recent Application in this class:
#2701
20070119782
2007-05-31

Method and system for controlling corrosivity of purified water

#2702
20070108056
2007-05-17

Electrochemical ion exchange treatment of fluids

#2703
20070102359
2007-05-10

Treating produced waters

#2704
20070102357
2007-05-10

Heat sanitization for reverse osmosis systems

#2705
20070090030
2007-04-26

Complete Water Management Process and System

#2706
20070084793
2007-04-19

Method and apparatus for producing ultra-high purity water

#2707
20070084771
2007-04-19

Apparatus for supplying drinking water

#2708
20070080100
2007-04-12

Hybrid water and power system

#2709
20070056907
2007-03-15

Intake for water desalination systems, and methods of use

#2710
20070045327
2007-03-01

Reverse osmosis filtration system storage tanks

#2711
20070045196
2007-03-01

Method for operating electrodeionization deionized water producing apparatus, electrodeionization deionized water producing system, and electrodeionization deionized water producing apparatus

#2712
20070045189
2007-03-01

Acid mine water demineralization methods

#2713
20070045187
2007-03-01

Biofouling control of membrane water-purification systems

#2714
20070045186
2007-03-01

Method and system for operating a shut-off valve of a filtration system

#2715
20070045165
2007-03-01

Reverse osmosis filtration systems

#2716
20070045159
2007-03-01

Water purifying system with removable storage tank

#2717
20070039860
2007-02-22

Deep sea water harvesting method, apparatus, and product

#2718
20070039355
2007-02-22

Method for forming fine water molecules and apparatus for forming fine water molecules by using the same

#2719
20070039345
2007-02-22

Portable, potable water recovery and dispensing apparatus

#2720
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#2721
20070029255
2007-02-08

Desalination system powered by renewable energy source and methods related thereto

#2722
20070023363
2007-02-01

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

#2723
20070023345
2007-02-01

Emergency saltwater filtration system

#2724
20070012625
2007-01-18

Residential reverse osmosis system

#2725
20070012571
2007-01-18

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

#2726
20070003370
2007-01-04

Method for treating landfill leachate

#2727
20070000835
2007-01-04

Wastewater treatment

#2728
20060291839
2006-12-28

Water treatment system and process

#2729
20060289343
2006-12-28

Faucet assembly with water quality indicator

#2730
20060283802
2006-12-21

Methods and systems for producing electricity and desalinated water

#2731
20060283787
2006-12-21

Integrated Advanced Simultaneous Oxidation Process (ASOP) to Defeat Chemical, Biological, and Radiological Agents in Aqueous and/or other Fluid Solutions

#2732
20060280805
2006-12-14

Rouge free pharmaceutical water for injection (wfi) water system

#2733
20060278582
2006-12-14

Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina

#2734
20060273009
2006-12-07

Mobile desalination plants and systems, and methods for producing desalinated water

#2735
20060272999
2006-12-07

Method and apparatus for a water filter backflush

#2736
20060266690
2006-11-30

Portable water filtration device

#2737
20060261009
2006-11-23

Extraction of dihydrogen oxide stratagies and solutions

#2738
20060254981
2006-11-16

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

#2739
20060243647
2006-11-02

Apparatus for providing demineralized water

#2740
20060237557
2006-10-26

Modular water vending system and dispenser

#2741
20060231491
2006-10-19

High purity water produced by reverse osmosis

#2742
20060226081
2006-10-12

Water purification system and modes of operation

#2743
20060226077
2006-10-12

Integrated water decontamination plant and well pump arrangement

#2744
20060219635
2006-10-05

HIGH-DENSITY FILTRATION MODULE

#2745
20060219628
2006-10-05

Composite polyamide reverse osmosis membrane and method of producing the same

#2746
20060219613
2006-10-05

Water purification system and method

#2747
20060213821
2006-09-28

Water purification filter easily replaced by connector and water purification system using the same

#2748
20060201882
2006-09-14

Method and system for treating wastewater containing hydrogen peroxide

#2749
20060201162
2006-09-14

Dehumidifying device

#2750
20060196836
2006-09-07

Process for the treatment of saline water

#2751
20060196819
2006-09-07

External pressure hollow fibre membrane separation system

#2752
20060191845
2006-08-31

Method and system for purifying water

#2753
20060186026
2006-08-24

Compact water purification apparatus

#2754
20060180547
2006-08-17

PROCESS AND HYBRID REACTOR FOR THE PROCESSING OF RESIDUAL WASTE

#2755
20060175254
2006-08-10

Systems and methods for treatment of liquid solutions for use with livestock operations

#2756
20060171841
2006-08-03

Reticulated liquid treatment devices with electric power source

#2757
20060169702
2006-08-03

Pressure container

#2758
20060163163
2006-07-27

Process and compositions for the purification of water

#2759
20060160227
2006-07-20

Method of monitoring treating agent residuals and controlling treating agent dosage in water treatment processes

#2760
20060160226
2006-07-20

Method of monitoring treating agent residuals in water treatment processes

#2761
20060157410
2006-07-20

Fully integrated NF-thermal seawater desalination process and equipment

#2762
20060157409
2006-07-20

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

#2763
20060151394
2006-07-13

Cooling water corrosion inhibition method

#2764
20060151393
2006-07-13

Water purification and disenfection device and method

#2765
20060144787
2006-07-06

Integrated electro-pressure membrane deionization system

#2766
20060144777
2006-07-06

Hollow fiber membrane module and module arrangement group thereof

#2767
20060144700
2006-07-06

Apparatus and process for mediated electrochemical oxidation of materials

#2768
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#2769
20060138046
2006-06-29

Apparatus for and a method of treating organic waste

#2770
20060138031
2006-06-29

Residential reverse osmosis system

#2771
20060131219
2006-06-22

Reverse osmosis filter machine with autocontrol structure

#2772
20060130481
2006-06-22

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

#2773
20060129279
2006-06-15

Mobile emergency filtration system and method

#2774
20060124860
2006-06-15

Photocatalyst sterilizer

#2775
20060124546
2006-06-15

Method and device for desalinating water while overcoming decreases in pressure

#2776
20060124517
2006-06-15

Compact personal water purification device

#2777
20060113251
2006-06-01

Disaster response unit

#2778
20060108289
2006-05-25

Methods for removing metals from water

#2779
20060102546
2006-05-18

System comprising fluid treatment module and a support structure

#2780
20060096920
2006-05-11

System and method for conditioning water

#2781
20060096864
2006-05-11

Water purifying system

#2782
20060091077
2006-05-04

Concentrate recycle loop with filtration module

#2783
20060091048
2006-05-04

Water purification system

#2784
20060091046
2006-05-04

Recycled irrigation water treatment system including reverse osmosis

#2785
20060081537
2006-04-20

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

#2786
20060070953
2006-04-06

Process for the recovery of tyrosol and hydroxytyrosol from oil mill wastewaters and catalytic oxidation method in order to convert tyrosol in hydroxytyrosol

#2787
20060070939
2006-04-06

Animal powered mechanical device for water desalination

#2788
20060065606
2006-03-30

Modular wastewater remediation system and method of using

#2789
20060065601
2006-03-30

Water purification system utilizing a carbon block pre-filter

#2790
20060065598
2006-03-30

Method of treating reverse osmosis membranes for boron rejection enhancement

#2791
20060065597
2006-03-30

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

#2792
20060065579
2006-03-30

Automatic leak responsive valve

#2793
20060060532
2006-03-23

Water desalination process and apparatus

#2794
20060054549
2006-03-16

Vortex-enhanced reverse osmosis filtration device and methods

#2795
20060043018
2006-03-02

Anoxic biological reduction system

#2796
20060043008
2006-03-02

Reverse osmosis water purification system

#2797
20060033674
2006-02-16

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

#2798
20060032823
2006-02-16

Disinfection of reverse osmosis membrane

#2799
20060027457
2006-02-09

Apparatus for electrodeionization and method for operating the same

#2800
20060021938
2006-02-02

Water treatment by dendrimer enhanced filtration

#2801
20060021407
2006-02-02

Process and device for treating raw manure

#2802
20060016754
2006-01-26

Water-treating microbicide, water treatment method and water treatment apparatus

#2803
20060011546
2006-01-19

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

#2804
20060006055
2006-01-12

Method and device for stripping ammonia from liquids

#2805
20060000761
2006-01-05

One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements

#2806
20050284806
2005-12-29

Nanofiltration system for water softening with internally staged spiral wound modules

#2807
20050279711
2005-12-22

Methods and systems for dewatering and gasification

#2808
20050274663
2005-12-15

[Air and Water Conditioning System and Filter Media]

#2809
20050269254
2005-12-08

[Air and Water Purifying System And Filter Media]

#2810
20050263386
2005-12-01

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

#2811
20050261157
2005-11-24

Methods for cleaning laundry with reduced sorting

#2812
20050256020
2005-11-17

Compositions for cleaning with softened water

#2813
20050252858
2005-11-17

Fuel and by-products from fermentation still bottoms

#2814
20050252538
2005-11-17

Device and system for improved cleaning in a washing machine

#2815
20050252532
2005-11-17

Method and system for washing

#2816
20050252255
2005-11-17

Method and system for washing

#2817
20050247643
2005-11-10

Process for treating water

#2818
20050247631
2005-11-10

Water purification system and method using reverse osmosis reject stream in an electrodeionization unit

#2819
20050247626
2005-11-10

Method and installation for the production of lime water from deionised water

#2820
20050247609
2005-11-10

Fluid treatment system

#2821
20050242036
2005-11-03

Chemical and sludge free water treatment process

#2822
20050242032
2005-11-03

Method of desalting

#2823
20050236840
2005-10-27

Barge-mounted tidal-powered desalinization system

#2824
20050236338
2005-10-27

Ozone purification system for water

#2825
20050236337
2005-10-27

Remediation of barium, bicarbonate and alkalinity in ground water

#2826
20050236327
2005-10-27

Wastewater treatment

#2827
20050236309
2005-10-27

Desalination system

#2828
20050230312
2005-10-20

Configurations and methods for reduction of microbial growth in reverse osmosis devices

#2829
20050230299
2005-10-20

Waste water purification apparatus and waste water purification method including the regeneration of used coagulant

#2830
20050218080
2005-10-06

Cooling water scale and corrosion inhibition

#2831
20050218062
2005-10-06

Apparatus and method for separating impurities from a stream

#2832
20050211638
2005-09-29

Effluent treatment combining solid/liquid separation and pulsed electric fields

#2833
20050211632
2005-09-29

Base dosing water purification system and method

#2834
20050205478
2005-09-22

Method and system to flush an RO system

#2835
20050199551
2005-09-15

Method and system for filtering sediment-bearing fluids

#2836
20050178905
2005-08-18

Aircraft rinse system

#2837
20050173341
2005-08-11

Blended polymer media for treating aqueous fluids

#2838
20050173319
2005-08-11

Crossflow filtration system with quick dry change elements

#2839
20050171501
2005-08-04

Intravenous solution producing systems and methods

#2840
20050170492
2005-08-04

Molecular separator

#2841
20050167346
2005-08-04

Molecular separator

#2842
20050155939
2005-07-21

Process for producing a sterilization system

#2843
20050150839
2005-07-14

Cooling water scale and corrosion inhibition

#2844
20050150838
2005-07-14

Cooling water scale and corrosion inhibition

#2845
20050150834
2005-07-14

Cooling water scale and corrosion inhibition

#2846
20050145570
2005-07-07

Method and apparatus for parallel desalting

#2847
20050145569
2005-07-07

Method for treatment of sludge from waterworks and wastewater treatment plants

#2848
20050142674
2005-06-30

Fabrication method of semiconductor integrated circuit device

#2849
20050139555
2005-06-30

Method of purifying Fischer-Tropsch derived water

#2850
20050139552
2005-06-30

Portable, potable water recovery and dispensing apparatus

#2851
20050139531
2005-06-30

Method and system for filtering sediment-bearing fluids

#2852
20050139530
2005-06-30

Universal water purification system

#2853
20050133446
2005-06-23

Forward osmosis pressurized device and process for generating potable water

#2854
20050131085
2005-06-16

Method of purifying Fischer-Tropsch derived water

#2855
20050127010
2005-06-16

Water treatment system

#2856
20050126999
2005-06-16

System for the purification and reuse of spent brine in a water softener

#2857
20050121388
2005-06-09

Production of water for injection using reverse osmosis

#2858
20050115875
2005-06-02

Zero waste reverse osmosis water filtering

#2859
20050109703
2005-05-26

Flow-through tank for water treatment

#2860
20050103717
2005-05-19

Water treatment system and method

#2861
20050103705
2005-05-19

Process for preparing semipermeable membranes having improved permeability

#2862
20050103631
2005-05-19

Water treatment system and method

#2863
20050103630
2005-05-19

Water treatment system and method

#2864
20050098499
2005-05-12

Process for pre-treating and desalinating sea water

#2865
20050098491
2005-05-12

Water treatment apparatus

#2866
20050087493
2005-04-28

Fabrication method of semiconductor integrated circuit device

#2867
20050087492
2005-04-28

Reverse osmosis water filtering system

#2868
20050078286
2005-04-14

Lithographic apparatus and device manufacturing method

#2869
20050061741
2005-03-24

Method for treating reverse osmosis membranes with chlorine dioxide

#2870
20050061719
2005-03-24

Humidification system

#2871
20050056590
2005-03-17

Process for the removal of contaminants from water

#2872
20050051488
2005-03-10

System and method for treatment of acidic wastewater

#2873
20050051470
2005-03-10

Water filtration system for food processing line

#2874
20050040087
2005-02-24

Reduced-waste reverse osmosis water supply system

#2875
20050035059
2005-02-17

Treatment of swine wastewater by biological and membrane separation technologies

#2876
20050035041
2005-02-17

Hollow fiber membrane filters in various containers

#2877
20050029192
2005-02-10

Branched flow filtration and system

#2878
20050029174
2005-02-10

Hybrid magnetohydrodynamo (MHD) field sanitation generator for treating wastewater, sewages & sludge and recovering potable water

#2879
20050023198
2005-02-03

Fluid treatment system

#2880
20050016922
2005-01-27

Preferential precipitation membrane system and method

#2881
20050016906
2005-01-27

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

#2882
20050011832
2005-01-20

Water desalination process using ion selective membranes

#2883
20050006295
2005-01-13

Water treatment system

#2884
19184453
2025-11-18

Reverse osmosis systems

#2885
19082480
2026-01-20

Integrated method and apparatus for treatment of produced water

#2886
18794594
2025-01-21

Water reclamation system

#2887
18789434
2025-02-18

Water treatment system using reverse osmosis process for high salinity low temperature water

#2888
18674615
2025-04-29

System and method for extracting boron from feed water

#2889
18667639
2025-08-26

Archimedes gravity energy pump

#2890
18662697
2025-03-11

Water desalination and electrical power generation utilizing gravitational flow and geothermal energy

#2891
18625139
2025-01-14

Plunging liquid jet reactor and water treatment system

#2892
18545323
2025-09-16

Filtration method for producing value added products from rice bran

#2893
18542669
2024-10-29

Desalination plant

#2894
18443563
2025-07-01

Advanced waterflooding methods for enhanced hydrocarbon recovery

#2895
18419569
2024-12-03

Seawater desalination reverse osmosis membrane with both water flux and boron removal rate and its preparation method thereof

#2896
18376805
2024-10-15

Systems, methods, and apparatus for generating functional hydrogen water

#2897
18376741
2024-04-23

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

#2898
18336893
2024-07-02

System and method for extracting boron from feed water

#2899
18242922
2024-03-26

Membrane based in-line fouling monitor for performance tracking in reverse osmosis and Nano-filtration systems

#2900
18170707
2024-06-11

Environmentally safe ultra-high pressure surface cleaning system

#2901
18134194
2023-09-26

Hydrophobic novel biofilm membrane modified with a spiropolyurethane

#2902
18132181
2023-10-24

System and method for wastewater treatment

#2903
18132044
2025-01-28

System and method for removal of perfluoroalkyl and polyfluoroalkyl substances (PFAS) and micro-constituents from leachate treatment residual waste streams

#2904
18100436
2023-08-15

Portable reverse osmosis system

#2905
17871872
2023-02-21

Modified hydroxyethyl cellulose scale inhibitor for inhibiting silica scale and preparation method thereof

#2906
17838967
2023-04-18

Ocean alkalinity system and method for capturing atmospheric carbon dioxide

#2907
17815479
2023-03-07

Apparatus for mineralizing drinking water

#2908
17815323
2023-08-22

Bottle for use in a drinking water mineralization system

#2909
17725522
2023-01-24

Self-sufficient systems for carbon dioxide removal and sequestration

#2910
17724084
2022-11-01

System and method for desalination

#2911
17575626
2022-10-11

Carbon capture method and system

#2912
17531869
2022-10-11

Combined heat, power, water and waste system

#2913
17471362
2024-01-09

Corrosion and bacteria control method

#2914
17462984
2024-12-24

Solar powered water collection, treatment and dispenser system

#2915
17452678
2022-04-19

Systems and methods for enhanced inorganic contaminant removal from hydrocarbon feedstock

#2916
17345061
2022-10-25

Drinking water and cleaning product refill station

#2917
17331040
2022-01-11

COcapture process with electrolytic regeneration

#2918
17245333
2021-12-21

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

#2919
17245276
2021-12-21

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

#2920
17213160
2023-10-24

Quantum energized water through the selective treatment and conditioning of a base aqueous solution

#2921
17192201
2023-01-03

Pison valve with annular passages

#2922
17182049
2023-04-04

Waste water treatment to reduce BOD/COD

#2923
17083885
2023-09-26

Process for boron removal from water

#2924
17082367
2021-12-21

Piston valve with annular passages

#2925
16992538
2020-11-10

Hybrid potable water generator

#2926
16945197
2023-04-11

System and method for removal of PFAS from waste streams

#2927
16914196
2023-04-04

Vital water

#2928
16881220
2022-06-21

CNT-based reverse osmosis desalination

#2929
16751368
2023-12-26

Filtration method for producing value added products from rice bran

#2930
16739989
2023-01-31

Osmotic system and method for food and oxygen production

#2931
16601783
2020-06-30

Water purification system

#2932
16565196
2020-07-21

Multi-pollutant exhaust treatment using seawater for marine applications

#2933
16501510
2020-03-03

De-scaling: The critical key to effective desalination

#2934
16478895
2020-06-23

Integrated desalination-power system

#2935
16455383
2021-01-05

Water purification system

#2936
16408338
2020-07-21

Environmental water system

#2937
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

#2938
16293431
2020-07-21

Reverse osmosis system

#2939
16239966
2023-03-21

Portable, hand-carried system and method for providing accessible electrical power and for producing a source of consumable water either through filtration or desalination

#2940
16156700
2021-01-19

Control process for wastewater treatment system

#2941
16105103
2020-12-15

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

#2942
15961700
2018-08-14

Gas infusion waste water treatment

#2943
15930494
2021-01-05

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

#2944
15789996
2018-05-01

Separation of clean water from effluent streams

#2945
15727560
2020-04-21

Hyper-oxygenated water compositions and related methods and systems

#2946
15727470
2020-12-29

Hyper-oxygenated soaking spa system

#2947
15707015
2019-11-12

Pump-assisted water filtration system

#2948
15587036
2020-03-24

City system

#2949
15584023
2020-07-07

Water purification system

#2950
15573232
2020-10-27

Filter device and washing method therefor

#2951
15395091
2019-07-23

Method and apparatus for treating shale gas waste water

#2952
15185528
2017-03-28

Integrated osmosis systems and methods

#2953
15178614
2017-04-11

Desalination system and method for producing freshwater by reverse osmosis of seawater

#2954
14932872
2016-08-30

Method of solvent recovery from a dilute solution

#2955
14809526
2016-08-23

Systems and methods for water filtration

#2956
14748654
2015-12-08

Method for purifying liquids

#2957
14595333
2016-01-12

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

#2958
14120455
2017-01-03

Method and apparatus for treating shale gas waste water

#2959
13535884
2017-07-25

Water walls for life support

#2960
13324595
2015-04-07

Selective removal of dissolved substances from aqueous solutions