| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/13/1992 | US5154895 One or more pairs of stripline electrodes formed on insulator substrates positioned in water or solutions; dissociation by electric current |
| 10/13/1992 | US5154834 Disinfection by-products removal in water purification |
| 10/13/1992 | US5154833 Removal of mercury from waste streams |
| 10/13/1992 | US5154832 Degassing water systems |
| 10/13/1992 | US5154831 Solvent extraction process employing comminuting and dispersing surfactants |
| 10/13/1992 | US5154830 Process of removing phosphorus and suspended matter from waste water |
| 10/13/1992 | US5154809 Process for purifying water |
| 10/13/1992 | CA1308837C Elastomeric silicone polyaddition composition comprising iodine |
| 10/13/1992 | CA1308836C Hot vulcanisable silicone elastomer based composition containing iodine |
| 10/13/1992 | CA1308822C Selective removal of nitrate ions from salt solutions |
| 10/13/1992 | CA1308649C In-situ remediation system for contaminated groundwater |
| 10/09/1992 | CA2065201A1 Method for scale, corrosion and microbiological control in aqueous systems |
| 10/08/1992 | DE4110736A1 Heat degradable polymer particles used in water treatment - comprising amino resin matrix with immobilised functional polymer |
| 10/07/1992 | EP0507416A1 Method for concentrating an effluent |
| 10/07/1992 | EP0507016A1 Liquid phase reaction process |
| 10/07/1992 | EP0506904A1 Device for eliminating chlorinated hydrocarbons and aromatic organic compounds from water. |
| 10/07/1992 | EP0473653A4 Effluent treatment |
| 10/07/1992 | CN2118093U Magnetic casing for tap |
| 10/07/1992 | CN2118074U Permanent-magnet separating apparatus for treating waste water of iron and steel plant |
| 10/07/1992 | CN2118073U Treating apparatus for industrial wast water containing chromium |
| 10/07/1992 | CN2118072U Corrugated flocculation apparatus |
| 10/07/1992 | CN2118071U Electronic scale preventing and removing instrument |
| 10/07/1992 | CN2118070U Filler type ion scale-proof device |
| 10/07/1992 | CN2118069U Solar energy seawater desalinating device |
| 10/07/1992 | CN2117889U Cleaning apparatus with magnetic water and hanging bottle |
| 10/07/1992 | CN2117836U Magnetic thermal insulation cup |
| 10/07/1992 | CN2117830U Magnetic device for vacuum bottle |
| 10/07/1992 | CN2117803U Magnetic saucer |
| 10/07/1992 | CN2117799U Dynamic fast magnetic cup |
| 10/07/1992 | CN1065054A Apparatus for treating activated sludge |
| 10/06/1992 | US5152927 Water clarifier |
| 10/06/1992 | US5152903 Cross-linked cationic polymeric microparticles |
| 10/06/1992 | US5152896 Use of grafted cellulose for purifying water |
| 10/06/1992 | US5152888 Apparatus for treatment of organic waste water and contactor for use therein |
| 10/06/1992 | US5152252 Water treatment control system for a boiler |
| 10/06/1992 | US5152150 Removal of volatile organic pollutants from drinking water |
| 10/06/1992 | CA1308329C Oxygen scavenger for boiler water and method of use |
| 10/06/1992 | CA1308308C Apparatus for filtering, retaining and disposal of waste water accumulated on a boat |
| 10/01/1992 | WO1992016460A1 Magnetic water activating process and apparatus for reducing corrosion and lime deposits from flowing water |
| 10/01/1992 | WO1992016273A1 Process and installation for treating waste liquids, in particular industrial waste water with a high solids content |
| 10/01/1992 | WO1992016272A2 Filter |
| 10/01/1992 | WO1992016136A1 Drinks machine for preparing hot water for infusions, in particular coffee or tea |
| 10/01/1992 | DE4110491A1 Oil binding agent for clearing oil contaminated waters etc. - consists of granular comminuted expanded and foamed polystyrene |
| 10/01/1992 | DE4109872A1 Removal of oxidisable nitrogen cpds. from water - by treatment with peroxy-di:sulphate and ultraviolet light |
| 10/01/1992 | DE4109732A1 Verfahren zum reinigen von abluft A method for purifying exhaust air |
| 09/30/1992 | EP0506407A1 Control of scale formation |
| 09/30/1992 | EP0506110A1 Magnetic treatment apparatus, especially for water |
| 09/30/1992 | EP0505957A2 Method and apparatus for waste water treatment in connection with a paint and powder coating plant |
| 09/30/1992 | EP0505753A1 Process for detoxifying aqueous solutions containing cyanhydrins and/or nitriles |
| 09/30/1992 | EP0505752A1 Process for detoxifying cyanides containing aqueous solutions |
| 09/30/1992 | EP0505734A2 Separator for the purification of waste waters contaminated with floating and suspended matters |
| 09/30/1992 | EP0505633A1 Hydroxyalkylhydroxylamine oxygen scavengers for use in aqueous media |
| 09/30/1992 | EP0394232B1 System for electrolytic treatment of liquid |
| 09/30/1992 | EP0377728B1 Water soluble organic ammonium perhalides |
| 09/30/1992 | EP0267296B1 Method and device for ionizing liquid |
| 09/30/1992 | CN2117375U Central distributing water tank |
| 09/30/1992 | CN2117374U Plate ionic antiscale apparatus |
| 09/30/1992 | CN2117373U Hard water softening clarifier |
| 09/30/1992 | CN2117200U Water purifying and disinfecting apparatus for drinking |
| 09/30/1992 | CN2117093U Tube style supermagnetized water filter |
| 09/30/1992 | CN2117086U Magnetized cup |
| 09/30/1992 | CN2117085U Mineralizing |
| 09/30/1992 | CN2117065U Portable temp. keeping magnetized pot |
| 09/29/1992 | US5151252 Ultraviolet radiation of fluids for photochemical reactions |
| 09/29/1992 | US5151250 Automatic purge method for ozone generators |
| 09/29/1992 | US5151197 Fluid treatment |
| 09/29/1992 | US5151195 Flotation-aid composition and method of use thereof |
| 09/29/1992 | US5151194 Water purification using fibrous peat |
| 09/29/1992 | US5151191 Filtration process using hollow fiber membrane module |
| 09/29/1992 | US5151187 Aeration an oxidizable material in the presence of activated sludge, fluid flow through membranes and separation water |
| 09/29/1992 | US5151185 Light-liquid separator |
| 09/29/1992 | US5151179 Faucet connected water filter |
| 09/29/1992 | US5151177 Method and apparatus for dissolved air flotation with aeration |
| 09/29/1992 | US5151174 Installation for the disinfection of clarified sewage with uv apparatus built into siphons |
| 09/29/1992 | CA1308018C Cleaning method for water containing vessels and systems |
| 09/29/1992 | CA1307905C Method of treating flue gases and combustion residues |
| 09/29/1992 | CA1307879C A method for purifying resin-containing waste liquor in the manufacture of cellulose pulps |
| 09/28/1992 | WO1992017408A1 Process for treating waste washing water used for impregnation |
| 09/28/1992 | CA2107114A1 Method for treatment of effluent from treatment of impregnation |
| 09/26/1992 | WO1992016283A1 Process for cleaning exhaust air |
| 09/26/1992 | CA2106983A1 Process for purifying exhaust air |
| 09/24/1992 | DE4109198A1 Rapidly changing pH in zone between liq. and solid - by coating solid with cpd. having ionic gps. then applying voltage |
| 09/24/1992 | DE4108896A1 Circular vessel for sepg. light and/or heavy impurities from water - with scrapers which remove impurities from conical floor and roof which are loosely mounted and pressed against floor or roof by springs or by gravity |
| 09/24/1992 | DE4108817A1 Verfahren und vorrichtung zur verringerung von durch wasser verursachter korrosion und kalkablagerung Method and device designed to reduce water caused by corrosion and lime deposits |
| 09/23/1992 | EP0505125A2 Water purifying apparatus |
| 09/23/1992 | EP0504647A1 Method and installation for treatment of waste water, especially high-solids industrial waste water |
| 09/23/1992 | EP0504551A2 Method for decontaminating soil polluted by one or more substances |
| 09/23/1992 | EP0504520A2 On-stream monitoring of a treating agent in a cooling water system |
| 09/23/1992 | EP0504498A1 Process and device for the regeneration of the washing liquid of air scrubbers |
| 09/23/1992 | EP0504203A1 Method and apparatus for effecting gas-liquid contact. |
| 09/23/1992 | EP0504156A1 Ferrates of alcaline or alcaline earth metals, their preparation and industrial applications. |
| 09/23/1992 | EP0482021A4 Ozone generator |
| 09/23/1992 | CN2116716U Magnetic mineral water arrangement |
| 09/23/1992 | CN2116715U Civial full automic purifying and water supplying installation |
| 09/23/1992 | CN2116687U Multi-purpose water magnetizer |
| 09/23/1992 | CN2116686U Covering inert filler for floating bed water treatment |
| 09/23/1992 | CN2116685U Microsize gravity type separator for oil and waste water |
| 09/23/1992 | CN2116417U Three-dimensional strong-field magnetic cup |
| 09/23/1992 | CN2116416U Multifunction return magnetic water healthy apparatus |
| 09/23/1992 | CN2116415U Ladder-shaped magnetic cup |