| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/10/1999 | WO1999026887A9 Process and apparatus for electrocoagulative treatment of industrial waste water |
| 09/10/1999 | WO1999024369A3 Amperometric halogen control system |
| 09/10/1999 | CA2322489A1 Movable water distiller |
| 09/10/1999 | CA2322209A1 Method for treating process water |
| 09/10/1999 | CA2321740A1 Method and apparatus for water sanitisation |
| 09/10/1999 | CA2265109A1 Upflow water clarifier with central pier |
| 09/09/1999 | DE19830046C1 Removal of water from metalworking coolant-lubricating emulsions |
| 09/09/1999 | DE19808794A1 High capacity, simple oil separator removing large spills from open waters right up to bank or shore |
| 09/09/1999 | DE19808433A1 Verfahren und Vorrichtung zur Entfernung oder Reduzierung des Ammonium-Anteils aus Abwässern Method and apparatus for removing, or reducing the ammonium component of wastewater |
| 09/09/1999 | DE19808192A1 Diisopropylfluorophosphatase sowie deren Verwendung und Herstellung Diisopropyl fluorophosphatase and their use and production |
| 09/09/1999 | DE19807155A1 Verfahren zur Reinigung von Abwasser durch Kombination einer homogenen katalytischen Oxidation mittels Wasserstoffperoxid mit einem Membrantrennverfahren A process for the purification of waste water by combining a homogeneous catalytic oxidation by means of hydrogen peroxide with a membrane separation process |
| 09/08/1999 | EP0940449A1 Aqueous composition comprising cationic and anionic polymers |
| 09/08/1999 | EP0940370A2 Process for treating by-product of optical fiber fabrication |
| 09/08/1999 | EP0939788A1 Aqueous dispersion polymers |
| 09/08/1999 | EP0939667A1 Cyclodextrin polymer separation materials |
| 09/08/1999 | EP0680457B2 Fluid treatment device and method |
| 09/08/1999 | CN2337141Y Multiple stage purifying device for producing living water |
| 09/08/1999 | CN2337137Y Full-automatic electronic water treatment high-frequency signal generator |
| 09/08/1999 | CN2337136Y Permanent-magnet fluid magnetization treatment apparatus |
| 09/08/1999 | CN2337135Y Atmospheric water making machine |
| 09/08/1999 | CN1228197A Method and device for washing electronic parts member or like |
| 09/08/1999 | CN1228036A Acid contacted enhanced adsorbent and/or catalyst and binder system |
| 09/08/1999 | CN1228008A Automated closed recirculating aquaculture filtration system |
| 09/08/1999 | CN1227822A Scale anodic prevention method |
| 09/08/1999 | CN1227821A Method for treating sewage |
| 09/08/1999 | CN1227714A Germicidal agent, fiber and fibrous product, film and container, comprising isothiocyanic acid ester |
| 09/08/1999 | CN1044999C Comprehensive processing method of tannery waste water |
| 09/08/1999 | CN1044978C Combined filtration and fixation of heavy metals |
| 09/07/1999 | US5948383 Complexing with calcium oxide |
| 09/07/1999 | US5948373 Free radical oxidation installation for treating liquid effluents contaminated by organic substances |
| 09/07/1999 | US5948315 Sunlight-ultraviolet-stable biocide compositions and uses thereof in water treatment |
| 09/07/1999 | US5948279 Method and apparatus for controlling macrofoulers in on-demand water conduits |
| 09/07/1999 | US5948275 Method and facility for treating effluents loaded with organic material, particularly by wet oxidation and with internal solid residue recycling, and purification facility therefor |
| 09/07/1999 | US5948273 Water purification process and apparatus |
| 09/07/1999 | US5948272 System and method for detecting and neutralizing microorganisms in a fluid using a laser |
| 09/07/1999 | US5948270 Method for reducing turbidity in laundry waste water |
| 09/07/1999 | US5948269 Adding to the wastewater an alkaline iron product at a point upstream from a malodor problem point. |
| 09/07/1999 | US5948268 Dissolving in water to be treated a polymer formed from water soluble monomer units comprising a (poly)alkylene oxide end capped with an addition polymerizable group at one end and an intensely fluorescent group at other |
| 09/07/1999 | US5948266 Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water |
| 09/07/1999 | US5948264 Electrolyte circuits |
| 09/07/1999 | US5948263 Method for separating water soluble organics from a process stream by aqueous biphasic extraction |
| 09/07/1999 | US5948250 Filter berm |
| 09/07/1999 | US5948230 Manufacturing hypochlorite solutions which comprises passing solution containing dissolved chlorine gas through diluting compartments of an electrodialysis stack, said compartments containing ion exchange granules and passing direct current |
| 09/07/1999 | US5948220 Production system of electrolyzed water |
| 09/07/1999 | US5947727 Dental treatment apparatus |
| 09/07/1999 | US5947135 Dishwasher |
| 09/07/1999 | US5946951 Auxiliary device for activating cleaning water |
| 09/07/1999 | US5946769 Self-contained, closed-loop, hard surface and carpet cleaning apparatus |
| 09/07/1999 | CA2184722C An indexable insert |
| 09/07/1999 | CA2170575C Apparatus for determining properties of slurry materials and sludge treating process |
| 09/07/1999 | CA2167514C Apparatus and method for monitoring biological activity in wastewater and controlling the treatment thereof |
| 09/07/1999 | CA2072259C Method of fractionizing molecular clusters of water, solution containing water-soluble minerals for use in said fractionization, and method of preparing said solution |
| 09/06/1999 | CA2263844A1 Modular control apparatus for a water treatment system |
| 09/04/1999 | CA2228547A1 Method to minimize corrosion in aqueous systems |
| 09/03/1999 | CA2264202A1 Reverse osmosis pump and shut off valve |
| 09/02/1999 | WO1999043995A1 Method and device for heat pump with spontaneous flow |
| 09/02/1999 | WO1999043791A2 Diisopropyl fluorophosphatase and the utilization and production thereof |
| 09/02/1999 | WO1999043622A1 Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit |
| 09/02/1999 | WO1999043620A1 Apparatus for dosing powdered or granulated additives in water works, namely swimming pools |
| 09/02/1999 | WO1999043619A1 Method for treating waste water from gold mines in order to obtain drinking water |
| 09/02/1999 | WO1999043618A1 Electrochemical antifouling device comprising underwater structure and method of producing underwater structure used for the device |
| 09/02/1999 | WO1999043617A1 Method and apparatus for electrocoagulation of liquids |
| 09/02/1999 | WO1999043421A1 Large tube assemblies for reverse osmosis |
| 09/02/1999 | WO1999043211A1 Solid tcmtb formulations |
| 09/02/1999 | WO1999043209A1 Potentiation of biocide activity using a diethanolamide |
| 09/02/1999 | WO1999033551A8 Methods to remove metals from water |
| 09/02/1999 | DE19808156A1 Assembly for preparation of flocking conditioning agent for aqueous sludge |
| 09/02/1999 | CA2288141A1 Electrochemical stain prevention apparatus of submerged structure and process for producing submerged structure used in this apparatus |
| 09/01/1999 | EP0939056A1 Device for treatment and removal of aqueous liquids by controlled atmospheric action |
| 09/01/1999 | EP0938454A1 Multi-chamber water purification device and method of using the same |
| 09/01/1999 | EP0938453A1 Process for the removal of dissolved metals and/or metalloids from an aqueous medium containing same and having a high content of salt |
| 09/01/1999 | EP0938377A1 Light expanded clay aggregates for phosphorus removal |
| 09/01/1999 | EP0938374A1 Magnetohydrodynamic sterilization apparatus and method |
| 09/01/1999 | EP0938373A1 Corona method and apparatus for altering carbon containing compounds |
| 09/01/1999 | EP0938346A2 Flowable waste sanitizing process and system |
| 09/01/1999 | EP0824503B1 Waste water treatment process for producing high yields of drinking water |
| 09/01/1999 | EP0755361B1 Method and apparatus for treating waste water streams |
| 09/01/1999 | EP0594566B1 High pulsed voltage systems for extending the shelf life of pumpable food products |
| 09/01/1999 | CN2335964Y Purified water magnetizing and mineralizing device |
| 09/01/1999 | CN2335961Y Mixing device for solubilization of ozone in water |
| 09/01/1999 | CN2335960Y Frame type flat folded plate flocculator |
| 09/01/1999 | CN2335959Y Ultrafiltering water purifier |
| 09/01/1999 | CN2335958Y Apparatus for treating waste water contg. ammonia and nitrogen |
| 09/01/1999 | CN2335957Y Domestic water purifier |
| 09/01/1999 | CN2335956Y Chemical catalytic deoxidizing device |
| 09/01/1999 | CN2335955Y Solar sea water desalinating apparatus |
| 09/01/1999 | CN2335954Y Isolated secondary pollution preventing device for drinking water in cask |
| 09/01/1999 | CN2335696Y Ultrafiltering water purifier |
| 09/01/1999 | CN2335545Y Automatic magnetized soft water massage bath device |
| 09/01/1999 | CN1227192A Compound coagulant for waste water treatment and its usage |
| 09/01/1999 | CN1227191A Treating method for waste water of photographic film development |
| 08/31/1999 | US5945494 High performance cationic polymer flocculating agents |
| 08/31/1999 | US5945391 Comprising water miscible organic compound selected from glycol-containing compound, tertiary alcohol or a mixture; storage stability |
| 08/31/1999 | US5945039 Gas-liquid processing apparatus |
| 08/31/1999 | US5945003 Forming hydrotalcite in situ |
| 08/31/1999 | US5944999 Purifying a fluid |
| 08/31/1999 | US5944997 System for maintaining a clean skein of hollow fibers while filtering suspended solids |
| 08/31/1999 | US5944989 Split-flow water filtration apparatus |
| 08/31/1999 | US5944986 Liquid purification apparatus |
| 08/31/1999 | US5944979 Electrokinetic transfer of contaminants from a thin layer of soil to a thin porous medium |