| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/12/1992 | CN2095862U Pipe joint type water magnetizing purifying device |
| 02/12/1992 | CN2095861U 水净化装置 Water purification equipment |
| 02/12/1992 | CN2095860U High efficient block-proof aerosol releasing device |
| 02/12/1992 | CN1058624A Method and apparatus for comprehensive treatment of waste from biological degumming of ramie |
| 02/12/1992 | CN1058542A High efficient coagulating-settling tank |
| 02/12/1992 | CN1015421B Equipment for recovering and concentrating oil in water |
| 02/11/1992 | WO1992002460A1 Method of decolourising water |
| 02/11/1992 | US5087420 Apparatus for treatment and disposal of infectious waste |
| 02/11/1992 | US5087377 High pressure oxygen-saturated water-treatment |
| 02/11/1992 | US5087374 Removal of contaminates from granular solids |
| 02/11/1992 | US5087372 Filtration through membrane having iminodiacetic acid groups bound to resin matrix side chains |
| 02/11/1992 | US5087370 Method and apparatus to detoxify aqueous based hazardous waste |
| 02/11/1992 | US5087354 Pressure sensors monitor algae population by measuring associate head loss; triggering device for washing sequence |
| 02/11/1992 | US5087353 Solar aquatic apparatus for treating waste |
| 02/11/1992 | CA2089168A1 Method of decolourising water |
| 02/11/1992 | CA1295529C Control of corrosion in aqueous systems |
| 02/09/1992 | CA2048574A1 Device for carrying out photochemical reactions |
| 02/09/1992 | CA2048516A1 Ozone generation |
| 02/09/1992 | CA2048479A1 Removing h2s from a sour gaseous stream |
| 02/07/1992 | WO1992002464A1 Oscillating chemical reaction |
| 02/06/1992 | WO1992001634A1 A process for purifying impotable water and wastewater with hypochlorous acid |
| 02/06/1992 | WO1992001633A1 Method and composition for detoxifying ammonia and chloramine in aquatic environments |
| 02/06/1992 | DE4024529A1 Treating water contg. organic matter and nitrate, giving potable water - by ozone treatment giving assimilable cpds., and filtering through two layer fixed bed contg. heterotrophic microorganism |
| 02/05/1992 | EP0469953A1 Composition comprising a succinoglycane |
| 02/05/1992 | EP0469737A2 Process for destruction of chemical waste by oxidation in a plasma flame |
| 02/05/1992 | EP0469585A1 Method of improving the quality of drinking water or liquid brewed foods or promoting brewage |
| 02/05/1992 | EP0469582A1 Process and apparatus for the treatment of polluted liquids |
| 02/05/1992 | EP0469443A2 Method of treating waste |
| 02/05/1992 | EP0469407A2 Dispersal valve and canister |
| 02/05/1992 | EP0469211A1 Bacteriostatic water and method for producing the same |
| 02/05/1992 | EP0468991A1 Method of separating oil-in-water emulsions |
| 02/05/1992 | EP0468981A1 A process and device for desalinating sea water and for obtaining power and the raw materials contained in sea water |
| 02/05/1992 | CN1058384A Deoxidizer for boiler water and production thereof |
| 02/04/1992 | WO1992002297A1 Liquid-absorbing block |
| 02/04/1992 | US5085809 Means for ozone treatment of water for water supply system |
| 02/04/1992 | US5085783 Acoustically driven particle separation method and apparatus |
| 02/04/1992 | US5085766 Filter for cleaning fluids |
| 02/04/1992 | US5085753 Water purifier |
| 02/04/1992 | CA2067391A1 Liquid absorbent block |
| 02/04/1992 | CA2047125A1 Destruction process |
| 02/04/1992 | CA2025773A1 Swimming pool water aerator |
| 02/04/1992 | CA1295283C Electroplating system with rinse tank and evaporator for contaminated effluent |
| 02/02/1992 | WO1992002466A1 Sanitation system |
| 02/01/1992 | WO1992002926A1 Zebra mussel (dreissena polymorpha) and other aquatic organism control |
| 02/01/1992 | CA2022223A1 Bacteriostatic water and method for producing the same |
| 01/30/1992 | DE4036658A1 Solar up-current installation for sea water desalination - in which solar panels are positioned over sea water and air below is heated carrying evaporating water through flue to condenser |
| 01/30/1992 | DE4023965A1 Purifying appts. for fluids, esp. for fresh water prodn. - comprises outer housing and inner condensate collecting vessel with gap between them and translucent housing cover |
| 01/30/1992 | DE4023515A1 Filtering arrangement for drinking water - comprises two=part housing with internal filter through which water flows from inlet connected to water tap by tube and union with valve |
| 01/29/1992 | EP0468951A1 Process for separating aminooxides from aqueous solutions |
| 01/29/1992 | EP0468739A1 Antifouling method and antifouling apparatus |
| 01/29/1992 | EP0468478A2 Method for sterilizing an aqueous medium |
| 01/29/1992 | EP0468118A1 An immersible device, for releasing chemical products necessary for the treatment of swimming pool water, which allows the use of products either mutually incompatible at high concentration, or compatible, but with different solubilities |
| 01/29/1992 | EP0467969A1 Process for removal of organic pollutants from waste water. |
| 01/29/1992 | EP0467903A1 Process for the preparation of chlorine-resistant polyester semipermeable membranes. |
| 01/29/1992 | EP0467887A1 Clarification process. |
| 01/29/1992 | CN2094549U Water magnetization cup |
| 01/29/1992 | CN2094548U Composite water magnetization device |
| 01/29/1992 | CN2094547U Honeycomb circulation solar pool sea water freshing device |
| 01/29/1992 | CN2094546U High turbidity sewage purifier |
| 01/29/1992 | CN1058202A Technology for treatment of waste liquid pollution in small paper pulp mill |
| 01/28/1992 | WO1992002459A1 Cleaning waste water contaminated with oil and grease |
| 01/28/1992 | US5084389 Reacting a biomass, hydrolysis and filtration |
| 01/28/1992 | US5084279 Bioactivated pearl |
| 01/28/1992 | US5084220 Membrane filtration apparatus and method of making a membrane filtration unit |
| 01/28/1992 | US5084187 Three phase separation process |
| 01/28/1992 | US5084180 Method for treating zinc-containing sulfate solution |
| 01/28/1992 | US5084168 System for removing substances from a solution |
| 01/28/1992 | US5084165 Water treatment apparatus |
| 01/28/1992 | US5083442 Refrigerator with purified water supply |
| 01/28/1992 | CA2088142A1 Cleaning waste water contaminated with oil and grease |
| 01/28/1992 | CA2047987A1 Hot loop water supply apparatus |
| 01/28/1992 | CA1295081C Cationic monomer delayed addition process |
| 01/28/1992 | CA1294947C Catalyst resins for the catalytic reduction of oxygen in aqueous media, the preparation of the catalyst resins, and new catalyst resins |
| 01/28/1992 | CA1294916C Induction method for the capacitive transfer of electromagnetic energy to a liquid or to biological tissues |
| 01/28/1992 | CA1294848C Method for improving the utilization of polyelectrolytes in dewatering aqueous suspensions |
| 01/26/1992 | WO1992001635A1 Catalytic destruction of sulfur-oxygen anions |
| 01/23/1992 | WO1992001007A1 Polymerisable porphyrins |
| 01/23/1992 | WO1992000919A1 Process for color removal and detoxification of waste water |
| 01/23/1992 | WO1992000918A1 A process for the purification of water |
| 01/23/1992 | WO1992000917A1 Composition and process for treating water containing metal ions and organic and/or inorganic impurities |
| 01/23/1992 | WO1992000916A1 Water conditioners |
| 01/23/1992 | WO1992000804A1 Compositions for oil and hazardous waste spill cleanup |
| 01/23/1992 | DE4023273A1 Sepn. of oils from waste water - uses appts. where anaerobic reaction in water is prevented by pumping air into sepg. tanks contg. circulated water |
| 01/22/1992 | EP0467831A2 Process and apparatus for purification of water and for keeping it clean |
| 01/22/1992 | EP0467735A1 Pyrogen separations by ceramic ultrafiltration |
| 01/22/1992 | EP0467505A2 Method and apparatus for treating fluid |
| 01/22/1992 | EP0467465A1 Sterilizer |
| 01/22/1992 | EP0467028A1 Process for treating water in a washing machine |
| 01/22/1992 | EP0467018A1 Method for the detoxification of water |
| 01/22/1992 | EP0466973A1 Process and apparatus for biological clarification of water by aerobic sludge stabilisation, especially in small clarification plants |
| 01/22/1992 | EP0466721A1 Device for removing highly volatile impurities from the ground water. |
| 01/22/1992 | CN2093842U Magnetizing water basin |
| 01/22/1992 | CN2093841U Multi-magnetic-pole contaminant remover |
| 01/22/1992 | CN2093840U Self-sailing floating-oil collector |
| 01/22/1992 | CN2093839U Separate-circulating water storage tank |
| 01/22/1992 | CN2093688U Drinking water treater |
| 01/22/1992 | CN1058006A Multipurpose magnetizer |
| 01/21/1992 | US5082573 With alkanolamine or polyamine, neutralization |
| 01/21/1992 | US5082571 Caustic sulfide wet oxidation process |
| 01/21/1992 | US5082570 Regenerable inorganic media for the selective removal of contaminants from water sources |