| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/10/1997 | CN2270044Y 水磁化器 Water magnetizer |
| 12/10/1997 | CN2270043Y Electronic magnetizing apparatus for preventing and removing dirt |
| 12/10/1997 | CN1167474A Device for the magnetic treatment of liquid |
| 12/10/1997 | CN1167473A Device for the magnetic treatment of a liquid |
| 12/10/1997 | CN1167447A Activated sludge degassing process and device |
| 12/10/1997 | CN1167090A Vertical retained aeration sewage treatment process and device |
| 12/10/1997 | CN1167089A Treatment process for acrylonitrile plant wastewater streams |
| 12/10/1997 | CN1167088A Reusable mat for removing liquid contaminants |
| 12/09/1997 | US5696380 Flow-through photo-chemical reactor |
| 12/09/1997 | US5696194 Process for the preparations of aqueous dispersion polymers |
| 12/09/1997 | US5696052 Method and composition for combatting microbial, vegetable and animal pests with acrolein |
| 12/09/1997 | US5695882 Reaction product of polyamine with short chain hydrocarbylsilane bonded to hydrated surface of extraction material |
| 12/09/1997 | US5695719 Self-contained, immersible |
| 12/09/1997 | US5695652 Methods for inhibiting the production of slime in aqueous systems |
| 12/09/1997 | US5695650 Irreparably rupturing cellular membranes of microorganisms in sludge by electroporation to release intracellular water, separating water from solids |
| 12/09/1997 | US5695647 Treatment with cellulose ester fibrets to flocculate, separating |
| 12/09/1997 | US5695646 Adding metallic salts to create sedimentation and flocculation, filtering, adding carbon dioxide and lime water to increase carbonate hardness |
| 12/09/1997 | US5695645 Mixing with precipitating agnet, mixing with flocculating agent, removing clumps of flocculated particles |
| 12/09/1997 | US5695644 Fluid treatment device and method |
| 12/09/1997 | US5695643 Reverse osmosis; combustion heat evaporation |
| 12/09/1997 | US5695642 Method for purifying contaminated water |
| 12/09/1997 | US5695635 Container, means for floating a housing in polluted water, ozone reaction means, oxidant removing means, means for sucking polluted water form container, means for returning purified water to container |
| 12/09/1997 | US5695634 Supported noble metal catalyst |
| 12/09/1997 | US5695545 Microporous membrane contactor with nucleated polyolefin hollow fiber membrane having good dimensional stability |
| 12/06/1997 | CA2178270A1 Waste water grease filter |
| 12/04/1997 | WO1997045373A1 Method and device for treating water |
| 12/04/1997 | WO1997045372A1 Ultrapurification method and sampler |
| 12/04/1997 | WO1997045201A1 Separation of minerals |
| 12/04/1997 | WO1997045194A1 Motorless mixer |
| 12/04/1997 | WO1997045187A1 Water-treatment device |
| 12/04/1997 | WO1997037941A3 Process for the biological purification of waste water |
| 12/04/1997 | DE19621590A1 Low cost solar installation for treating water, e.g. for drinking |
| 12/03/1997 | EP0810183A1 Treatment process for acrylonitrile plant wastewater streams |
| 12/03/1997 | EP0809936A1 Method and apparatus for controlling zebra mussels and other bivalves using ultraviolet radiation |
| 12/03/1997 | EP0809612A1 Method and composition for enhanced bioremediation of petroleum |
| 12/03/1997 | EP0809611A1 Biological water treatment plant for producing drinking water |
| 12/03/1997 | EP0809609A1 Composition and method for degradation of nitroaromatic contaminants |
| 12/03/1997 | EP0809608A1 Combined chemical and biological water treatment process |
| 12/03/1997 | EP0809607A1 Self flocculating separation medium and method |
| 12/03/1997 | EP0809606A1 Pressurized water flotation apparatus |
| 12/03/1997 | EP0809605A1 Method for utilising tyres to clean and/or fertilise water |
| 12/03/1997 | EP0809529A1 Filter material for preparing a beverage |
| 12/03/1997 | EP0809435A1 Composition capable of releasing acraldehyde and its use |
| 12/03/1997 | EP0738236A4 Apparatus and method for reducing the redox potential of substances |
| 12/03/1997 | CN2269393Y High frequency scale-proof and scale-removing water treating device |
| 12/03/1997 | CN2269392Y 多功能电子水处理器 Multifunction electronic water processor |
| 12/03/1997 | CN2269391Y Improved water treatment filter of porous filter tube |
| 12/03/1997 | CN2269162Y Thermal insulation health cup for driver and passenger |
| 12/03/1997 | CN1166459A Direct use method of waste water as circular water |
| 12/03/1997 | CN1166458A Domestic water recovering and treating method and equipment |
| 12/03/1997 | CN1166457A Pure water making machine |
| 12/03/1997 | CN1166456A Intermittently submerged swimming pool cleaner |
| 12/03/1997 | CN1166455A Domestic water purifier |
| 12/02/1997 | US5694341 Method and apparatus for measuring a weight of a stirring fluid |
| 12/02/1997 | US5693263 Sparger for producing gas bubbles in a liquid |
| 12/02/1997 | US5693224 Apparatus for eliminating hydrogen sulfide from liquids |
| 12/02/1997 | US5693222 Apparatus and method for improved high-efficiency dissolved air flotation fluid processing |
| 12/02/1997 | US5693216 Method of and composition for breaking oil and water emulsions in crude oil processing operations |
| 12/02/1997 | US5693214 Apparatus for and method of separation to water and colloidal particles by agglomeration |
| 12/01/1997 | CA2181133A1 Method and apparatus for controlling zebra mussels and other bivalves using ultraviolet radiation |
| 12/01/1997 | CA2177740A1 Combined multi stage flash-multi effect distillation system with brine reheat |
| 11/29/1997 | CA2177555A1 Separation of minerals |
| 11/27/1997 | WO1997044500A1 Treatment of fly ash/apc residues including lead salt recovery |
| 11/27/1997 | WO1997044406A1 Universal absorption material |
| 11/27/1997 | WO1997044280A1 Floating electrode for electrolysis, electrolytic apparatus and plant growing method |
| 11/27/1997 | WO1997044279A1 Systems for ameliorating oil spills in marine and inland waters |
| 11/27/1997 | WO1997044126A1 A method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid |
| 11/27/1997 | DE19718921A1 Equipment for purifying water contaminated with volatile substances |
| 11/27/1997 | DE19621042A1 Sea- or lake water desalinator constructed as floating unit, e.g. as a boat |
| 11/27/1997 | DE19620961A1 Wasseraufbereitungsvorrichtung Water treatment device |
| 11/27/1997 | CA2253644A1 Treatment of fly ash/apc residues including lead salt recovery |
| 11/26/1997 | EP0808803A1 Process and device for continuous disintegration of activated sludge |
| 11/26/1997 | EP0808802A1 Shaped body with crystalline like peripheral surfaces and its use |
| 11/26/1997 | EP0808179A1 Device and process for the sterilization of waste water |
| 11/26/1997 | EP0808121A1 Water heating vessels |
| 11/26/1997 | EP0682555B1 Process and apparatus for controlling the dewatering of suspensions |
| 11/26/1997 | CN2268701Y Sewage treating apparatus of building |
| 11/26/1997 | CN2268700Y Household water purifier |
| 11/26/1997 | CN2268567Y Sucking filter of drinking water apparatus |
| 11/26/1997 | CN2268566Y 净水器 Water Purifier |
| 11/26/1997 | CN2268447Y Drinking water supplier with disinfector |
| 11/26/1997 | CN1165805A Process of extracting phenols from phenol-containing waste water by means of solvent mixture |
| 11/26/1997 | CN1165784A Cross flow back-flushing household water purifier |
| 11/26/1997 | CN1165710A Inorganic film household water purifier |
| 11/25/1997 | USRE35667 Faucet-mounted water filter with wall inlet and annular chamber |
| 11/25/1997 | US5691211 Method for gettering noble metals from mineral acid solution |
| 11/25/1997 | US5690967 Compositions for improved topical delivery of lactic acid |
| 11/25/1997 | US5690834 Flotation |
| 11/25/1997 | US5690831 Method of rinsing back blood to hemodialysis patient |
| 11/25/1997 | US5690830 Waste water treatment apparatus and washing method thereof |
| 11/25/1997 | US5690829 Passing water through a semipermeable membrane, discharging remaining raw water, reducing the discharge of pure water at timed intervals to increase static water pressure on the pure water side of the membrane and reversing raw water flow |
| 11/25/1997 | US5690822 Water purifier having a storage tank and an excess water discharge conduit |
| 11/25/1997 | US5690821 Apparatus for supplying a batch of chemicals to a dialysate tank |
| 11/25/1997 | US5690817 Photographic effluent treatment apparatus |
| 11/25/1997 | CA2126207C Novel 3-halo-5-halomethyl-2-oxazolidinones and their use as microbicides |
| 11/25/1997 | CA2062682C Method and apparatus for anaerobic sludge digestion |
| 11/25/1997 | CA2047878C Water-filtration apparatus |
| 11/24/1997 | CA2177181A1 Ecosave washball |
| 11/20/1997 | WO1997043401A1 Beverage stabilization |
| 11/20/1997 | WO1997043217A1 Microbial control process in food processing equipment using ozonation |