| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/23/1992 | CN1064664A Method for treating industrial waste water by powdered coal ash sorption |
| 09/23/1992 | CN1064627A Combined filtration and fixation of heavy metals |
| 09/22/1992 | US5149893 Catalytic hydrogenation process |
| 09/22/1992 | US5149534 Spirogyra controlling and deodorant composition |
| 09/22/1992 | US5149446 Potable water generator |
| 09/22/1992 | US5149444 Toxic Organic Halides |
| 09/22/1992 | US5149442 Maintaining pH; degradation by reinforcement with peroxide |
| 09/22/1992 | US5149441 Method of treating wastewater containing heat-curable (meth) acrylic monomer compositions |
| 09/22/1992 | US5149439 Water treatment agent |
| 09/22/1992 | US5149438 Method for magnetically treating water in a closed loop heat transfer system |
| 09/22/1992 | US5149437 Water filter |
| 09/22/1992 | US5149423 Apparatus for the purification of waste water with swivelling mixing container |
| 09/22/1992 | US5149400 Polymeric basic aluminum silicate-sulphate |
| 09/22/1992 | US5149399 Liquid evaporator |
| 09/22/1992 | US5149354 Cu and Ag compounds, organic amino complex, gluconate, water |
| 09/22/1992 | US5148772 Method and apparatus for electrically inhibiting bacteria growth in aquariums |
| 09/22/1992 | CA1307717C Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used |
| 09/19/1992 | WO1992016241A1 Batch liquid purifier |
| 09/17/1992 | WO1992015725A1 Electrolytic vessel for producing hypochlorite |
| 09/17/1992 | WO1992015633A2 Improved management of waste solution containing photoresist materials |
| 09/17/1992 | WO1992015528A1 Method for removing and/or recovering mercury |
| 09/17/1992 | WO1992015388A1 Combined filtration and fixation of heavy metals |
| 09/17/1992 | DE4208148A1 Anaerobic decomposition of sludge - by directing sludge stream by nozzle into vertical venturi pipe and circulating and mixing sludge in container |
| 09/17/1992 | DE4108698A1 Device for magnetically influencing deposition of minerals in water - has water passing through housing via central passage surrounded by bar magnets located in axial chambers in housing wall |
| 09/17/1992 | DE4108645A1 Solid insol., non-polluting zeolite based oxidising agent - obtd. by incorporating redox ions then treatment with oxidising agent, for destroying bacteria and pollutants in waste water |
| 09/17/1992 | DE4108631A1 Getraenkemaschine zum zubereiten von heissem wasser fuer ein bruehgetraenk, insbesondere von kaffee oder tee Getraenkemaschine for making of hot water for a brewed beverage, in particular coffee or tea |
| 09/17/1992 | DE4108441A1 Procedure and device for treating water using reverse osmosis - in which water is cooled in reverse osmosis unit or permeate storage vessel by e.g. peltier element and waste heat is removed by concentrate |
| 09/17/1992 | DE4108245A1 Recovery of polar aprotic solvent esp. DMSO from aq. soln. - by sepg. and regenerating solvent after conversion to less water-miscible form |
| 09/17/1992 | DE4107733A1 Removing water contg. oil residues - using absorbent contg. quicklime and quick setting cement, and burning prod. |
| 09/17/1992 | DE4038606A1 Cleaning vehicle washing water - using equipment comprising foam-maker, flotation sepn. tank and liquefier and foam thickener consisting of tank with conical floor and roof |
| 09/17/1992 | DE4038605A1 Procedure and device for cleaning vehicle washing water - comprise adding flocculant and water is agitated to form foam which carries dirt particles to upper outlet while water is drawn from base of chamber |
| 09/16/1992 | EP0504131A1 Reduction of pollutants originating from industrial processes |
| 09/16/1992 | EP0503651A1 Electrically regenerable demineralizing apparatus |
| 09/16/1992 | EP0503649A1 Process and apparatus for biological purification of waste waters polluted with non biodegradable or hardly biodegradable substances |
| 09/16/1992 | EP0503589A1 Electrodialysis reversal process and apparatus with bipolar membranes |
| 09/16/1992 | EP0503387A1 Process for decomposition of aromatic nitro compounds contained in waste water |
| 09/16/1992 | EP0503374A2 Method for dissociation of oil-in-water emulsions |
| 09/16/1992 | EP0503242A1 Apparatus for the magnetic treatment of flowing hard water |
| 09/16/1992 | EP0503115A1 Process and apparatus for biological purification of waste waters polluted with non-biodegradable or hardly biodegradable substances |
| 09/16/1992 | EP0502890A1 A mouthpiece for a water tapping point. |
| 09/16/1992 | EP0417098B1 Method of sewage treatment |
| 09/16/1992 | CN2116006U Multifunctional water activating device |
| 09/16/1992 | CN2115734U Health care magnetic kettle |
| 09/16/1992 | CN2115718U Multichamber magnetic cup with magnetic-pole |
| 09/16/1992 | CN2115717U Water-mineralized, magnetized and purified drinking vessel |
| 09/16/1992 | CN1064461A Remineralizing technique for electrodialyzed drinking water |
| 09/16/1992 | CN1064460A Method for defoaming of surfactant |
| 09/15/1992 | WO1992016461A1 Method for the treatment of the sewages and respective plant |
| 09/15/1992 | WO1992016459A1 Discharge valve for dissolved air flotation |
| 09/15/1992 | US5147646 Hydrogel containing envelopes |
| 09/15/1992 | US5147605 Using hydrofluoric acid |
| 09/15/1992 | US5147604 Dioxo-aromatic compounds as oxygen scavengers |
| 09/15/1992 | US5147563 Sewage sludge treatment with gas injection |
| 09/15/1992 | US5147558 One drum activator catalyzed paint detackification program |
| 09/15/1992 | US5147557 Cationic polymer antisticking agent |
| 09/15/1992 | US5147535 Arrangement for driving out of volatile impurities from ground water using vibrations |
| 09/15/1992 | US5147532 Domestic grey water purifier using diverter and UV filter treater with preheater |
| 09/15/1992 | US5147530 Well water removal and treatment system |
| 09/15/1992 | CA2106084A1 Discharge valve for dissolved air flotation |
| 09/15/1992 | CA2099383A1 Method for the treatment of the sewages and respective plant |
| 09/15/1992 | CA1307439C Sustained release microbiological control composition |
| 09/13/1992 | CA2038116A1 Process for the production of high molecular weight copolymers of diallyldimethyl ammonium chloride and acrylamide in solution |
| 09/13/1992 | CA2038115A1 Process for the production of high molecular weight copolymers of diallyldimethyl ammonium chloride and acrylamide in an aqueous dispersed phase |
| 09/10/1992 | DE4107708A1 Treating water against calcium deposits - in which water flows through spring-loaded cavitating injector and then passes between electrodes of uneven surface finish |
| 09/10/1992 | DE4107512A1 Water magnetic treatment used in heat exchange systems - comprising streams which flow at same speed through several magnetic field concns., using magnetic field treatment to apply different frequencies |
| 09/10/1992 | DE4107099A1 Syphon system - uses contracted and expanded air to maintain water pressure in maintenance-free pump or desalination functions |
| 09/10/1992 | DE4106869A1 Preventing penetration of harmful substances into ground water - by depositing horizontal layers of hygroscopic granulate into earth above water level |
| 09/10/1992 | CA2062392A1 Process for breaking oil-in-water emulsions |
| 09/09/1992 | WO1992015529A1 Purification of waste streams |
| 09/09/1992 | EP0502262A1 Ion exchange resin holder |
| 09/09/1992 | EP0501998A1 Device for filtering contaminated liquids, in particular water. |
| 09/09/1992 | EP0501989A1 Water tap. |
| 09/09/1992 | EP0417185B1 A process for removing nitrogen compounds from raw water |
| 09/09/1992 | EP0378659B1 Method for the control of biofouling in recirculating water systems |
| 09/09/1992 | CN2115336U Vacuum chlorine-adding machine for water treatment |
| 09/09/1992 | CN2115335U Pore-changed silver-carried active carbon column magnetic water-purifying unit |
| 09/09/1992 | CN2115334U Liquid purifying rotary strong magnetic pot |
| 09/09/1992 | CN2115333U Soft water filter for automobile and family |
| 09/09/1992 | CN2115048U Magnetic vacuum flask |
| 09/09/1992 | CN2115025U Magnetic cup having thermal insulation |
| 09/09/1992 | CN2115024U Pressure mineral water utensil |
| 09/09/1992 | CN2115022U Sucker type magnetizer |
| 09/09/1992 | CN2115020U Magnetic cup having multi-stages and multi-poles |
| 09/09/1992 | CN2115019U Children's magnetic cup |
| 09/09/1992 | CN2115018U Musical magnetic cup |
| 09/09/1992 | CN2115000U Portable mineral water pot |
| 09/09/1992 | CN1064321A Regeneration method for electrolytic colouring liquid containing tin salt |
| 09/09/1992 | CN1064255A Production for inorganic high molecular purifying agent |
| 09/09/1992 | CN1064226A Deleading ion sieve |
| 09/09/1992 | CN1064225A Cod and chromaticity adsorbent and its producing method |
| 09/09/1992 | CN1018175B Method for treating cyanide containing waste water |
| 09/08/1992 | WO1992015397A1 Vegetable support for the adsorption of contaminants in an aqueous medium |
| 09/08/1992 | US5145587 Method for treatment of waste water |
| 09/08/1992 | US5145585 Method and apparatus for treating water in a cooling system |
| 09/08/1992 | US5145582 Method for stabilizing sludge |
| 09/08/1992 | US5145576 Devices for treating human or animal dejections by means of microwaves |
| 09/08/1992 | US5145575 Water quality monitor for a water purification system |
| 09/08/1992 | CA2082404A1 Vegetable support for the adsorption of contaminants in an aqueous medium |
| 09/08/1992 | CA1307361C Method for purifying waste water |
| 09/08/1992 | CA1307270C 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a methodfor preparing these compounds, and their use in the control of microorganisms in aqueous systems |