| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/04/2001 | EP1138235A1 Electric household appliance with a removable cartridge for treating water |
| 10/04/2001 | EP1138185A1 Closed and energetically integrated process (cei process for the treatment of animal wastes (purines) |
| 10/04/2001 | EP1137601A1 Method and transducer for treating the water in a basin |
| 10/04/2001 | EP1137600A1 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters |
| 10/04/2001 | EP1137599A1 Method for controlling the dosed quantities of water-treatment products |
| 10/04/2001 | EP1137445A1 Microwave actuated ultraviolet steriliser |
| 10/04/2001 | EP0822920B1 Process for producing a chlorine dioxide-containing disinfectant solution for water treatment |
| 10/04/2001 | EP0755362B1 Electrolytic water treatment |
| 10/04/2001 | DE10114311A1 Treatment of wash water from sterile food or drinks filling of peracetic acid-treated bottles, involves reducing amount of oxidizers, adjusting pH and demineralizing |
| 10/04/2001 | DE10015618A1 Agent for use in preparation of aquarium or fish tank water or potting compost works cumulatively rather than selectively to simultaneously adjust the the total hardness, carbonate hardness and pH to the required values |
| 10/04/2001 | DE10015527A1 Verfahren und Vorrichtung zum Betrieb einer UV-Strahlenquelle Method and apparatus for operating a UV radiation source |
| 10/04/2001 | DE10015144A1 Electrochemical reaction accompanied preferably by ultrasonic vibration, for use in disinfection of any liquid system, employs conductor as vibration inducer and electrochemical electrode |
| 10/04/2001 | DE10014833A1 Intensive purification of mechanically, organically and/or biologically contaminated water, employs filtration and sintered distributors of pressurized, ionized air |
| 10/04/2001 | DE10012404A1 Reduction of anaerobically or aerobically digested sludge comprises feeding ozone-enriched air or ozone-enriched oxygen so microorganisms damaged by ozone are digested by those which are not, and converted to carbon dioxide |
| 10/04/2001 | CA2390067A1 Staged heat and mass transfer applications |
| 10/03/2001 | CN2451976Y Water storing tank with sterilizing function |
| 10/03/2001 | CN2451949Y Purifying and heating integral self-sterilizing water drinker |
| 10/03/2001 | CN2451575Y Circulating cooling water purification processing machine |
| 10/03/2001 | CN2451574Y Apparatus for processing coal water |
| 10/03/2001 | CN2451573Y Electronic water processing instrument |
| 10/03/2001 | CN2451572Y Film impurity removing instrument |
| 10/03/2001 | CN2451571Y Reverse osmosis purified water supply apparatus |
| 10/03/2001 | CN2451570Y 反渗透净水机公共饮水系统 Reverse osmosis water purifier public drinking water systems |
| 10/03/2001 | CN2451569Y Seawater evaporation water-making device |
| 10/03/2001 | CN2451568Y Water accumulating tank |
| 10/03/2001 | CN2451000Y Multifunction magnetic water kettle |
| 10/03/2001 | CN1315923A Hydrogen sulfide removal methods and apparatus |
| 10/03/2001 | CN1315294A Process for treating waste water from production of gournet powder |
| 10/03/2001 | CN1315293A Process for preparing aluminium modified montmorillonite as defluorinating material and its application |
| 10/03/2001 | CN1315219A Solid-liquid separator |
| 10/03/2001 | CN1315166A Equipment for delivering in water |
| 10/03/2001 | CN1072190C Treatment method for lithium-containing waste liquid of synthetic alkyl lithium compound |
| 10/03/2001 | CN1072189C Mine water underground clarification method |
| 10/03/2001 | CN1072188C Water purifier with pressure-bearing type stepless speed changing vortex reactor |
| 10/03/2001 | CN1071992C Ionene polymers as microbicides |
| 10/02/2001 | US6296775 Polyvinyl chloride pipe; ozone-free lamp housed in insert with ports for waste fluid flow; waterproof cap |
| 10/02/2001 | US6296773 Removal of boron and fluoride from water |
| 10/02/2001 | US6296761 Water treatment process |
| 10/02/2001 | US6296760 Device for the removal and concentration of ionic metal species from water |
| 10/02/2001 | US6296756 Programming electrolytic cell to energize; oxygenation |
| 10/02/2001 | US6296751 Electrodeionization apparatus with scaling control |
| 10/02/2001 | US6296744 Apparatus for the electrochemical treatment of a liquid medium |
| 10/02/2001 | US6296000 Pre-clean deluge system |
| 10/02/2001 | CA2239377C Ozonizer, water purifier and method of cleaning an ozonizer |
| 10/02/2001 | CA2229534C Magnetic fluid treatment |
| 10/02/2001 | CA2076011C Purification of aqueous liquor |
| 10/02/2001 | CA2056137C Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions |
| 09/27/2001 | WO2001071106A1 Secure dredging system and water treatment vessel |
| 09/27/2001 | WO2001070933A1 Multi-channel quantitative control valve apparatus |
| 09/27/2001 | WO2001070634A1 Very high molecular weight cationic dispersion polymers for dewatering animal farm wastewater |
| 09/27/2001 | WO2001070633A1 A device for separating a surface layer of a liquid |
| 09/27/2001 | WO2001070621A1 Beverage storage and dispensing container |
| 09/27/2001 | WO2001070407A1 Heated ultrasonic treating device and treating method for suspended matter-containing liquid |
| 09/27/2001 | WO2001070396A2 Photolytic and photocatalytic reaction enhancement device |
| 09/27/2001 | WO2001070004A2 Solution mining process for removing metals from aqueous solution |
| 09/27/2001 | WO2001039904B1 Method for recovering hydrocarbons from tar sands and oil shales |
| 09/27/2001 | WO2001030754A3 Micro-cluster liquids and methods of making and using them |
| 09/27/2001 | WO2001030159A8 Bio-supportive matrices, methods of making and using the same |
| 09/27/2001 | US20010023852 Polluted soil remediation apparatus, polluted soil remediation method, pollutant degrading apparatus and pollutant degrading method |
| 09/27/2001 | US20010023851 Process for the degradation of organic compounds in aqueous solution by means of ozonisation and sunlight irradiation |
| 09/27/2001 | US20010023849 Dissolved ammonium oxidized to nitrate to acidify solution; metal salt added; reacts with phosphorous; resultant metal phosphate precipitates in acidic environment and is removed |
| 09/27/2001 | US20010023844 Rotary flat membrane separation apparatus |
| 09/27/2001 | US20010023841 Controller for salt dosage for a water softener and method of regenerating a water softener |
| 09/27/2001 | DE10017012A1 Process for reducing slime and deposit formation in (partly) closed systems conveying water or aqueous media, e.g. in paper machines or cooling water cycle, involves adding sulfur-free lignin or derivative |
| 09/27/2001 | DE10014846A1 Waste water sludge/flocculant condition sensor housing has externally-fitted adjustment control for interior sensor gap |
| 09/27/2001 | DE10014289A1 Electrical sterilization of water to medical standards uses direct or alternating current introduced with electrodes |
| 09/27/2001 | DE10013964A1 Clean water supply unit for blood dialysis station incorporates hot water tank for periodic cleaning via hot water inserted between reverse osmosis module and circulation pump |
| 09/27/2001 | DE10011983A1 Decontamination process involves using energy from ionizing radiation source to break down chemical material into its component parts |
| 09/26/2001 | EP1136449A1 Waste water processing system |
| 09/26/2001 | EP1136447A1 Water purifying apparatus and method for purifying water |
| 09/26/2001 | EP1136110A2 Water filter cartridges |
| 09/26/2001 | EP1135975A1 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 09/26/2001 | EP1135339A1 Dimensionally stable electrode for treating hard-resoluble waste water |
| 09/26/2001 | EP1135338A1 A process for the control of microbial contamination in water-based solids suspensions |
| 09/26/2001 | EP1135337A2 Water sanitizing system |
| 09/26/2001 | EP1135331A1 Method for obtaining ammonia from waste water containing nh 3? and acid gases |
| 09/26/2001 | EP1135204A1 Passive resonator device |
| 09/26/2001 | EP1135201A1 Purifying device for liquid |
| 09/26/2001 | EP0832042B1 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
| 09/26/2001 | CN2450284Y Centrifugal water extractor |
| 09/26/2001 | CN2450274Y Waste water recovering device |
| 09/26/2001 | CN2450271Y Automatic fast water treating tank for household water |
| 09/26/2001 | CN2450268Y Domestic water purifier |
| 09/26/2001 | CN2450214Y Water storage nutrient adding device |
| 09/26/2001 | CN2450213Y Convenient-to-clear shallow air floating pond |
| 09/26/2001 | CN2450212Y Stably rotating shallow air floating pond |
| 09/26/2001 | CN2450211Y Shallow air floating pond |
| 09/26/2001 | CN2450210Y Swivel joint of shallow air floating |
| 09/26/2001 | CN2450209Y Torque controller for automatic backwash water filter |
| 09/26/2001 | CN2450208Y Location unimpeded gate for city underground pipeline type sewage treatment |
| 09/26/2001 | CN2450207Y Two-phase stream sewage separating purifying device |
| 09/26/2001 | CN2450206Y Full-automatic strong dirt removal water filter |
| 09/26/2001 | CN1314872A Point-of-use water treatment system |
| 09/26/2001 | CN1314510A 洗衣机 Washing machine |
| 09/26/2001 | CN1314504A Liquid bath and weir piece |
| 09/26/2001 | CN1314314A Processing system for drain off water |
| 09/25/2001 | US6295411 Method and apparatus for preventing scale buildup on electric heating elements |
| 09/25/2001 | US6294137 High voltage electrostatic field for treatment of flowing liquids |
| 09/25/2001 | US6294108 Composition for the controlled release of chlorine dioxide gas |
| 09/25/2001 | US6294097 Method for treating waste water containing nitrate ions |