| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/03/2004 | CN1541946A Fresh water condensation apparatus for fog dehumidify |
| 11/03/2004 | CN1541757A E-Fenton oxidation technique of dirty blocking agent in reverse osmosis concentrating liquid |
| 11/03/2004 | CN1541529A Sustained releasing agent for preventing and treating alga and legionella bacteria series and its compositions |
| 11/03/2004 | CN1174122C Device for sterilizing water soluble lubricant |
| 11/03/2004 | CN1174005C Method and products to absorb oil and organic solvents from water and sea |
| 11/03/2004 | CN1173895C Method for controlling siltation in aquiferous system using separating film |
| 11/03/2004 | CN1173893C Polymerized basic aluminosilicate flocculant and its preparation process and equipment |
| 11/03/2004 | CN1173892C Electrode holder for sewage |
| 11/03/2004 | CN1173891C Method for the inactivation of cryptosporidium parvum and giardia cysts using ultraviolet light |
| 11/03/2004 | CN1173890C Method of solving the problem of alkali-carrying gas phase obtained by evaporating waste saponified alkali liquid |
| 11/03/2004 | CN1173889C Method and device for production of pure water |
| 11/03/2004 | CN1173888C Artificial wet field facilities for treating sewage |
| 11/03/2004 | CN1173770C Composite semipermeable membrane, process for producing the same, and method of purifying water with the same |
| 11/03/2004 | CN1173768C Method for treating waste liquid |
| 11/02/2004 | US6812645 Inductively powered lamp assembly |
| 11/02/2004 | US6812639 Germicidal lamp with end of life arc quenching device |
| 11/02/2004 | US6812470 Destroying halogenated organic pollutants in water; portable; noncatalytic ultraviolet and ultrasonic treatment |
| 11/02/2004 | US6811747 Corrosion inhibitor |
| 11/02/2004 | US6811712 Method and apparatus for treating fluids |
| 11/02/2004 | US6811711 Adding to the water a polymeric biguanide and an amine adjuvant for killing algae, bacteria, yeast and/or fungi in a recirculation water system |
| 11/02/2004 | US6811710 Placing eductor in jet of water, pulling in low pressure water to eductor and flowing a stream of water, providing mixing and circulation of water within reservoir for removing temperature gradient; adding ammonia and source of chlorine; mixing |
| 11/02/2004 | US6811705 Wastewater treatment system |
| 11/02/2004 | US6811704 Continuous processing; precipitation; complexing; applying electricity |
| 11/02/2004 | US6811703 Reacting ketone with phenol to form dialkyldiphenol; methylolating with aldehyde; reacting polyoxyethylene glycol monoalkyl ether with phosphorus tribromide; crosslinking with phenol-aldehyde resole |
| 11/02/2004 | US6811702 Process and installation for treating a polluted aqueous liquid showing a COD value |
| 11/02/2004 | US6811700 Aerobic, anaerobic nonchemical wastewater treatment |
| 11/02/2004 | US6811698 Method and apparatus for treating fluids |
| 11/02/2004 | US6811693 Electrostatic coalescer device |
| 11/02/2004 | US6811691 Point-of-use water treatment system |
| 11/02/2004 | US6811679 Cation exchange membrane flow cell |
| 11/02/2004 | US6811668 Apparatus for the operation of a microfluidic device |
| 11/02/2004 | US6811660 Apparatus for purifying water containing dissolved organic matters and trace harmful substances |
| 11/02/2004 | US6810821 Hazardous waste treatment method and apparatus |
| 11/02/2004 | CA2465657A1 Membrane filter with deaeration and method for the manufacture thereof |
| 11/02/2004 | CA2427545A1 Sectoral ring brush |
| 11/02/2004 | CA2392072C Electrochemical cover for inhibiting diffusion/infiltration of oxygen into reactive sulphide materials |
| 11/02/2004 | CA2372702C Water sampling with analyte extraction and integration |
| 11/02/2004 | CA2285482C Removal of oxygen from water |
| 11/02/2004 | CA2226571C Tabletized ionene polymers |
| 11/02/2004 | CA2138472C Fluorescent tracer in sludge dewatering |
| 10/28/2004 | WO2004092664A1 Refrigerator having dispenser |
| 10/28/2004 | WO2004092079A1 Apparatus and method for the treatment of waste |
| 10/28/2004 | WO2004092078A1 Herbal water treatment method for prosperity of biological |
| 10/28/2004 | WO2004092077A1 Method and device for the treatment of flowable media by means of a filter reactor |
| 10/28/2004 | WO2004092076A1 Microporous filter media with intrinsic safety feature |
| 10/28/2004 | WO2004091755A1 Plate filtration module |
| 10/28/2004 | WO2004091671A1 Use of a dialkylketone peroxide as biocidal, sterilizing, antiseptic, disinfecting and anti-parasitic agent |
| 10/28/2004 | WO2004085317A3 Ultraviolet radiation water disinfecting device |
| 10/28/2004 | WO2004079840A3 Three-dimensional flow-through electrode and electrochemical cell |
| 10/28/2004 | WO2004076335A3 Sun catcher |
| 10/28/2004 | WO2004071963A3 Treatment system and method for remediating a body of water |
| 10/28/2004 | WO2004041410A3 Humidifier with reverse osmosis filter |
| 10/28/2004 | WO2004014801A3 Water treatment apparatus |
| 10/28/2004 | US20040213718 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 10/28/2004 | US20040213709 Apparatus used on photoreactive plates |
| 10/28/2004 | US20040213696 Aerating a source of turbid water with an air stream to diffuse, dilute and reduce the opacity of the water concentration through the aeration process, and simultaneously exposing aerated water to a source of ultraviolet radiation for a time sufficient to sanitize and/or sterilize turbid water |
| 10/28/2004 | US20040212470 Fluid magnetization straw |
| 10/28/2004 | US20040211926 Radiation source module |
| 10/28/2004 | US20040211733 Vortex grit collector with mechanical conveyor for grit removal |
| 10/28/2004 | US20040211732 adding a copper complex comprising disodium monocopper (II) citrate and an isothiazolone mixture 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, adding the formualtion to the metalworking fluid as an antimicrobial agents |
| 10/28/2004 | US20040211731 Method for monitoring and controlling chlorine levels in an aqueous medium |
| 10/28/2004 | US20040211726 Membrane-assisted fluid separation apparatus and method |
| 10/28/2004 | US20040211714 Wastewater treatment apparatus |
| 10/28/2004 | US20040211713 Multifunctional pure water maker |
| 10/28/2004 | US20040211676 Electrolytic cell for surface and point of use disinfection |
| 10/28/2004 | US20040211671 Method and system for dewatering particulate materials |
| 10/28/2004 | US20040211659 For the manipulation of a suspended particle in an electric field gradient |
| 10/28/2004 | DE10356681A1 Conversion of ground water into clean drinking water, by the oxidizing of dissolved metal compounds and the separation of microbes, uses a pipe reactor with a recirculating flow of active sludge and a membrane filter |
| 10/28/2004 | DE10316476A1 Wasserlösliche Polymere mit verbessertem Löseverhalten, deren Herstellung und Verwendung Water-soluble polymers with improved dissolution behavior, their preparation and use |
| 10/28/2004 | CA2752109A1 Microporous filter media with intrinsic safety feature |
| 10/27/2004 | EP1470853A1 Membrane support and membrane filter |
| 10/27/2004 | EP1470849A2 Water purifying apparatus and method for purifying water |
| 10/27/2004 | EP1470084A1 Method for the treatment of industrial effluent containing organic pollutants |
| 10/27/2004 | EP1470083A1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 10/27/2004 | EP1470082A2 Method for treating water in order to reduce the metal ion concentration thereof |
| 10/27/2004 | EP1470081A1 Device for electrolytic purification of liquids |
| 10/27/2004 | EP1470080A1 Apparatus and method for separating and filtering particles and organisms from flowing liquids |
| 10/27/2004 | EP1470079A1 Installation for treating water by means of flotation |
| 10/27/2004 | EP1345680B1 Wet oxidation or ozonization process |
| 10/27/2004 | EP1237578A4 Micro-cluster liquids and methods of making and using them |
| 10/27/2004 | EP1204364B1 Household appliance using water, namely a washing machine, with improved device for softening the water |
| 10/27/2004 | EP1187638B1 Shower head provided with an ultraviolet lamp |
| 10/27/2004 | CN2651578Y Prying gas shutting device |
| 10/27/2004 | CN2651239Y Strong oxidizing and circulating water treater |
| 10/27/2004 | CN2651238Y Multiple oxidizing apparatus for water treatment |
| 10/27/2004 | CN2651237Y Unitary sewage purifying desliming rapid treating apparatus |
| 10/27/2004 | CN2651236Y Stone material sewage treater |
| 10/27/2004 | CN2651235Y Multistage filtering water purifier |
| 10/27/2004 | CN2651234Y Waste water recovering apparatus of reverse osmosis water purifier |
| 10/27/2004 | CN2651233Y Oil-separated pool |
| 10/27/2004 | CN2651232Y 紫外杀菌器 UV disinfection |
| 10/27/2004 | CN2651231Y Sanitary cover of vat water |
| 10/27/2004 | CN2651230Y Water sterilizer with high-strength H-shape ultraviolet light |
| 10/27/2004 | CN2651229Y Optical catalyst water purifier |
| 10/27/2004 | CN2651228Y Self-purified mineralizing device of drinker |
| 10/27/2004 | CN2650669Y Multifunctional water drinker |
| 10/27/2004 | CN1541189A High output ozonating appts. |
| 10/27/2004 | CN1539769A Method for treating urban sewage through denitrifying process for phophorous removal and defluorination in biomembrane system in sequential batch mode |
| 10/27/2004 | CN1539768A Method for treating urban sewage through denitrifying process for phophorous removal and defluorination |
| 10/27/2004 | CN1539767A Membrane treatment system for separating virus |