Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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02/25/2003 | CA2420506A1 Water for assisting the purification of water for feeding ornamental fishes or fishes and shellfishes |
02/23/2003 | CA2355558A1 Uv water purification system |
02/20/2003 | WO2003014601A1 Encoder-equipped sealing device |
02/20/2003 | WO2003014450A1 Porous inorganic/organic hybrid monolith materials for chromatographic separations and process for their preparation |
02/20/2003 | WO2003014273A1 A process for reducing the passive layer from the surface of a metal |
02/20/2003 | WO2003014031A1 A method for disinfecting and stabilizing organic wastes with mineral by-products |
02/20/2003 | WO2003014030A1 Method for killing of microorganisms in the water by uv-tio2 photocatalytic reaction and reactor for killling of microorganisms |
02/20/2003 | WO2003014029A2 Control of development of biofilms in industrial process water |
02/20/2003 | WO2003014028A1 Method for selective separation of iodine ion, and method for producing alkali salt of iodine ion |
02/20/2003 | WO2003014027A1 Movable electrode flow through capacitor |
02/20/2003 | WO2003014026A1 Water purification apparatus |
02/20/2003 | WO2003014025A1 Hollow fiber membrane filters in various containers |
02/20/2003 | WO2003014024A1 Composition for removing dissolved oxygen from a fluid |
02/20/2003 | WO2003014023A2 Water delivery and filtration system |
02/20/2003 | WO2003013704A2 Variable pressure closed circuit desalination |
02/20/2003 | WO2003013682A1 Apparatus and method for thermal desalination based on pressurized formation and evaporation of droplets |
02/20/2003 | WO2003013252A1 Delivery vehicles for environmental remediants |
02/20/2003 | WO2002100775A3 Carbon nanotube coatings as chemical absorbers |
02/20/2003 | WO2002099824A3 Nanotube deposition on adsorbents in water maker heat pump |
02/20/2003 | WO2002085481A3 Polymeric membranes functionalized with egta ligands |
02/20/2003 | WO2002074691A3 Method and unit for the treatment of water by ballasted flocculation and gravity separation with variable function modes |
02/20/2003 | WO2002070683A3 Biological compositions for solid waste treatment |
02/20/2003 | WO2002051518A3 Method and apparatus using super absorbent polymers for dehydration of oil |
02/20/2003 | WO2002043829A3 Method and device for continuously treating waste water of industrial origin by water vapour stripping |
02/20/2003 | WO2002036500A3 Method and apparatus for treatment of water and wastewater |
02/20/2003 | WO2002028780A9 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
02/20/2003 | WO1997038272A8 Portable/potable water recovery and dispensing apparatus |
02/20/2003 | US20030036033 Water delivery and filtration system |
02/20/2003 | US20030034311 Catalytic fixed bed reactor systems for the destruction of contaminants in water by hydrogen peroxide and ozone |
02/20/2003 | US20030034310 Wastes from oxidation of hydrocarbons |
02/20/2003 | US20030034309 Purification tetrafluoromethane |
02/20/2003 | US20030034305 Discharging to storage tank; pumping |
02/20/2003 | US20030034302 Insecticide delivery apparatus and associated methods |
02/20/2003 | US20030034299 Coagulation using calcium carbonate; filtration; ion exchanging |
02/20/2003 | US20030034292 Water purifier |
02/20/2003 | US20030034291 Filter pitcher with ice hopper |
02/20/2003 | US20030034290 Water purifier |
02/20/2003 | US20030034289 Water filter |
02/20/2003 | US20030034285 Filter cartridge for water treatment device |
02/20/2003 | US20030034283 Fluid treatment device and counter mechanism |
02/20/2003 | US20030034051 Article for deionization of water |
02/20/2003 | US20030034048 Back-surface cleaning method for cleaning the back surface of a silicon wafer |
02/20/2003 | US20030033805 Advective solar collector for use in multi-effect water distillation and power production |
02/20/2003 | CA2759765A1 Control of development of biofilms in industrial process water |
02/20/2003 | CA2457562A1 Water purification apparatus |
02/20/2003 | CA2455477A1 Delivery vehicles for environmental remediants |
02/19/2003 | EP1284240A1 Dose system |
02/19/2003 | EP1284239A2 Apparatus for electrophysical water treatment |
02/19/2003 | EP1284238A1 Water treatment method, water treatment apparatus, and water culture system using them |
02/19/2003 | EP1283820A1 Granular ceramic material with high porosity |
02/19/2003 | EP0999746B1 Methods and compositions for controlling biofouling using sulfamic acids |
02/19/2003 | EP0979211B1 Method for treating wastewaters from a chemical-mechanical polishing process in chip manufacturing |
02/19/2003 | EP0970263B1 Electrolytic method for recovering and recycling silver from a nitric solution |
02/19/2003 | EP0873143B1 Improved deactivation of organisms using high-intensity pulsed polychromatic light |
02/19/2003 | CN2536581Y Papermaking black liquid full recovery units |
02/19/2003 | CN2536580Y Electronic water treaters |
02/19/2003 | CN2536579Y Electronic water treaters |
02/19/2003 | CN2536578Y High pressure water quality treating apparatus with hydraulic balancer |
02/19/2003 | CN2536577Y Reverse osmostic water maker with ozone generator |
02/19/2003 | CN2536576Y Automatic sewage treaters |
02/19/2003 | CN2536575Y Water purifier of household dish washer |
02/19/2003 | CN2536574Y Oily sewage treating vehicle |
02/19/2003 | CN2536573Y Small household water distiller |
02/19/2003 | CN1398198A Air diffuser and flushing method thereof |
02/19/2003 | CN1397678A Washer and cleaning machine |
02/19/2003 | CN1397677A Washer and cleaning machine |
02/19/2003 | CN1397666A Parahalogen acid generating process and appts. thereof |
02/19/2003 | CN1397503A Countercurrent, copolymerizing and air-float process for purifying water and its equipment |
02/19/2003 | CN1397502A Sterilizing method and electrolytic water generating unit |
02/19/2003 | CN1397501A Process and equipment for reclaing sewage generated by wiping paper money printing plate |
02/19/2003 | CN1397500A Multi-effect distilling process and equipment for desalinating seawater |
02/19/2003 | CN1397379A Frequency-variable efficient air-floating apparatus and its process |
02/19/2003 | CN1101861C Electrolytic cell for producing mixed oxidant gas |
02/19/2003 | CN1101786C Process for preparing treating agent of industrial sewage |
02/19/2003 | CN1101785C Gasification device |
02/19/2003 | CN1101784C Service termination device of water filter filter tube |
02/19/2003 | CN1101730C Photocatalyst capable of magnetic separating and its prepn. method |
02/18/2003 | US6521365 Stackless waste material renewal process utilizing oxygen enriched gas |
02/18/2003 | US6521248 Cavitation; reduced pressure; oxygenated water |
02/18/2003 | US6521206 Removing catalyst templates from crystal structured zeolites comprising oxides of silicon, zinc, aluminum, boron, gallium, iron, titanium, vanadium, zirconium and tin, using acetic acid and/or pyridine mixtures; hydrorefining catalysts |
02/18/2003 | US6521194 Ozone-generating faucet |
02/18/2003 | US6521132 Ion exchange water softener and method |
02/18/2003 | US6521131 Combined oxidation and chelating adsorption system for removal of mercury from water |
02/18/2003 | US6521127 Modular filtration systems and methods |
02/18/2003 | US6521124 Reverse osmosis liquid filter system with ultraviolet filtration |
02/18/2003 | US6521117 Method for metal recovery from aqueous solutions |
02/18/2003 | CA2282233C Electrolytic process for generation of low-sulphate ferric hydroxide suspensions to effect purification of wastewater |
02/17/2003 | CA2398406A1 Water filter |
02/17/2003 | CA2390419A1 Filter pitcher with ice hopper |
02/17/2003 | CA2390416A1 A fluid treatment device and counter mechanism |
02/13/2003 | WO2003012261A2 Photolytic oxygenator with carbon dioxide fixation and separation |
02/13/2003 | WO2003012253A2 Method of controlling asphaltene precipitation in a fluid |
02/13/2003 | WO2003012217A1 Centripetal separator |
02/13/2003 | WO2003012018A1 Compositions for removing metal ions from aqueous process solutions and methods of use thereof |
02/13/2003 | WO2003012017A1 Compositions for removing metal ions from aqueous process solutions and methods of use thereof |
02/13/2003 | WO2003011775A2 Method and installation for treating liquids, especially for purifying contaminated water, using a perforated cylinder station |
02/13/2003 | WO2003011772A1 A process for the removal of heavy metals by actinomycete |
02/13/2003 | WO2003011769A2 Water treatment compositions |
02/13/2003 | WO2003011766A1 Universal filter cartridge |
02/13/2003 | WO2003011765A1 An ultra-efficient vaporizer for desalinating seawater instantaneously |