| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 08/31/1999 | US5944978 Cleaning method of an electrolyzed water forming apparatus and an electrolyzed water forming apparatus having mechanism for conducting the method |
| 08/31/1999 | US5944973 For coffee brewing |
| 08/31/1999 | US5944972 Electrodialysis |
| 08/31/1999 | US5943950 Utensils for table use and cooking use |
| 08/31/1999 | CA2098807C Waste treatment process employing oxidation |
| 08/26/1999 | WO1999043070A1 Method for purifying the cooling circuit of an alternator stator operating in ventilated circuit, and implementing device |
| 08/26/1999 | WO1999042668A1 Separating grid |
| 08/26/1999 | WO1999042423A1 Method and plant for the treatment of liquid organic waste |
| 08/26/1999 | WO1999042407A1 Method for purifying waste water by combining hydrogen-peroxide supported oxidation with a membrane separation method |
| 08/26/1999 | WO1999042406A1 Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
| 08/26/1999 | WO1999042405A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 08/26/1999 | WO1999042218A1 Jet pump treatment of heavy oil production sand |
| 08/26/1999 | WO1998029176A8 Method and apparatus for treatment of liquid |
| 08/26/1999 | DE19807540A1 Ultraviolet water disinfecting unit consists of pipe with open upper window to outside lamp |
| 08/26/1999 | DE19807458A1 Waste water biological treatment reactor has current-regulated electrodes |
| 08/26/1999 | DE19807336A1 Reducing formation of carbonate crystals on heat exchanger surfaces |
| 08/26/1999 | DE19806924A1 Swimming pool water filter |
| 08/26/1999 | DE19749411C1 Biological water treatment membranes subjected to intermittent reverse- flow |
| 08/26/1999 | CA2332424A1 Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
| 08/26/1999 | CA2321503A1 Method for purifying waste water by combining hydrogen-peroxide supported oxidation with a membrane separation method |
| 08/26/1999 | CA2320930A1 Method for purifying the cooling circuit of an alternator stator operating in ventilated circuit, and implementing device |
| 08/25/1999 | EP0937682A1 Aluminosilicate organic inorganic polymer |
| 08/25/1999 | EP0937494A2 Membrane separation system |
| 08/25/1999 | EP0937393A1 Composite material for treating photographic effluents |
| 08/25/1999 | EP0937193A1 Method of remediation of contaminants in porous media through minimization of buoyancy effects |
| 08/25/1999 | EP0937011A1 Oxidation method, nozzle system and sewage treatment plant |
| 08/25/1999 | EP0861211B1 Process and device for the preparation of phosphoric acids |
| 08/25/1999 | EP0809605B1 Method for utilising tyres to clean and/or fertilise water |
| 08/25/1999 | EP0785907B1 Wiper cartridge |
| 08/25/1999 | EP0629178B1 Apparatus for treatment of effluent |
| 08/25/1999 | EP0614401B1 Method for controlling the regeneration of a water treatment system |
| 08/25/1999 | CN2334753Y Ozone water generator |
| 08/25/1999 | CN2334752Y 水质消毒器 Water disinfection |
| 08/25/1999 | CN2334751Y Magnetizing pipe cover |
| 08/25/1999 | CN2334750Y High gradient field magnet processor |
| 08/25/1999 | CN2334749Y Automatic collector for float articles of concentrator |
| 08/25/1999 | CN2334748Y Electric-heating distilled water maker |
| 08/25/1999 | CN1226844A Process for controlling regeneration of water treatment device and water treatment device using said process |
| 08/25/1999 | CN1226516A Mineral water and production thereof |
| 08/25/1999 | CN1226515A Method for removing ammonia and nitrogen from wastewater from coking process |
| 08/25/1999 | CN1226514A Health-care actated drinking water apparatus |
| 08/25/1999 | CN1226513A Strong magnetized ionizing treatment technology |
| 08/24/1999 | US5942219 Comprising stable solution of dialkylsulfosuccinate, ethylene oxide-propylene oxide block polymer, and mineral acid; water-free; oil-free; alcohol-free |
| 08/24/1999 | US5942207 Heating sodium hydroxide, sodium silicate and water; adding more silicate; adding aluminum hydroxide; crystallization to form a silica-enriched molecular seive having rapid and high capacity to complex calcium and magnesium ions; brightness |
| 08/24/1999 | US5942199 Grinding impure oxide, dissolving in sulfuric acid |
| 08/24/1999 | US5942126 Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling |
| 08/24/1999 | US5942125 Dental unit water purifier |
| 08/24/1999 | US5942122 Method of deodorizing ion-exchanged purified water |
| 08/24/1999 | US5942115 Self flocculating separation medium and method |
| 08/24/1999 | US5942110 Water treatment apparatus |
| 08/24/1999 | US5942109 Apparatus for the treatment of liquids |
| 08/24/1999 | US5942107 Cyclone separator; filter |
| 08/24/1999 | US5942098 Method of treatment of water and method and composition for recovery of precious metal |
| 08/24/1999 | US5941902 Continuous pulse, non-modulated non-burst mode nerve stimulator and method of applying same |
| 08/24/1999 | CA2188461C Chemical feeder |
| 08/24/1999 | CA2027275C Process and apparatus for treating ion exchange resin |
| 08/24/1999 | CA2019931C Apparatus producing continuously electrolyzed water |
| 08/19/1999 | WO1999041205A1 Method for biologically treating effluents producing little or no excess sludge including a treating step by fixed film biomass |
| 08/19/1999 | WO1999041204A1 Electrolytic cell with porous membranes to concentrate anions |
| 08/19/1999 | WO1999041203A1 Water purifier |
| 08/19/1999 | WO1999041202A1 Ozone deodorizer |
| 08/19/1999 | WO1999041201A1 An improved filter cartridge, particularly for jug water purifiers |
| 08/19/1999 | WO1999041024A1 Oil absorption and reclamation methods |
| 08/19/1999 | WO1999040991A1 Purification of liquids |
| 08/19/1999 | WO1999040990A1 Anion binding polymers and the use thereof |
| 08/19/1999 | WO1999040791A1 Disinfectant compositions providing sustained biocidal action |
| 08/19/1999 | WO1999036152A8 Filter assembly for use with a bottle |
| 08/19/1999 | WO1999028242A9 Monitoring of the continuous addition of a liquid agent to water |
| 08/19/1999 | DE19806768A1 Waste water treatment apparatus |
| 08/19/1999 | DE19806400A1 Mobile plant for cleaning of engines etc. without water residue |
| 08/19/1999 | DE19806275A1 Tubular assembly to expose and treat fluid by electromagnetic field |
| 08/19/1999 | DE19806268A1 Process to treat a fluid by exposure to a digitally-controlled frequency range of electromagnetic radiation |
| 08/19/1999 | DE19806059A1 Water container for prolonging freshness of water, especially drinking water |
| 08/19/1999 | DE19806001A1 Dehalogenation of aqueous hydrocarbon solutions, e.g. ground- or waste water |
| 08/19/1999 | CA2323505A1 Electrolytic cell with porous membranes to concentrate anions |
| 08/19/1999 | CA2320967A1 An improved filter cartridge, particularly for jug water purifiers |
| 08/19/1999 | CA2320292A1 Oil absorption and reclamation methods |
| 08/18/1999 | EP0936191A2 System for the purification of waste water |
| 08/18/1999 | EP0936188A1 Process for reducing viscosity of water through electrolysis |
| 08/18/1999 | EP0936187A2 Process for the microbiological purification |
| 08/18/1999 | EP0936186A1 Apparatus for the cleaning of waste streams |
| 08/18/1999 | EP0835224B1 Process for removing unwanted material from wanted material |
| 08/18/1999 | CN2333705Y Ozone water treatment facilities |
| 08/18/1999 | CN2333704Y Miniature electronic automatic antiscaling device |
| 08/18/1999 | CN2333703Y Multi-stage magnetic water-treating antiscaling device |
| 08/18/1999 | CN2333702Y Electrolytic bath for water treatment facilities |
| 08/18/1999 | CN2333701Y Resin separating device |
| 08/18/1999 | CN2333700Y Dissolved air biological fluidized-bed |
| 08/18/1999 | CN1225901A Health-care drinking apparatus and mineralizd substance treatment method |
| 08/17/1999 | US5940578 Water evaporation apparatus |
| 08/17/1999 | US5939086 Nutrient for microbial agents, film-forming agent, superabsorbent solid organic polymer for delivery of contaminant-reducing agent, optional adjuvants |
| 08/17/1999 | US5939041 Spraying water into the gaseous stream to produce a mist of fine droplets and thereafter passing the gaseous stream through a liquid separator |
| 08/17/1999 | US5939032 Gas permeable, liquid impermeable membrane tube with porous plug inserted in each end and platinum catalyst in space between plugs; outer glass tube enclosing membrane tube; outtakes discharge to analystical instrument |
| 08/17/1999 | US5939030 System and method for generating ozonated water |
| 08/17/1999 | US5938982 Device for fining bubbles of gas contained in liquid |
| 08/17/1999 | US5938970 Water soluble polynucleate metal hydroxide anionic compounds; water treatment |
| 08/17/1999 | US5938937 Hydrophilic dispersion polymers for treating wastewater |
| 08/17/1999 | US5938933 Roof-mounted heating/ventilation/air conditioning (hvac) unit pan having baffles which direct flowing condensate water through beds of copper ion adsorbing charcoal and mossy zinc material prior to drainage; corrosion resistance |
| 08/17/1999 | US5938918 Domestic water clarifier |
| 08/17/1999 | US5938916 Electrolytic treatment of aqueous salt solutions |