| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/28/2004 | CN1159093C Shaped body of zeolite, preocess for its production and its use |
| 07/28/2004 | CN1159090C Pervaporation device for desalination of seawater |
| 07/28/2004 | CN1159083C Portable drinking water regenerating and distributing device |
| 07/27/2004 | US6767924 Method of using hydroxycarboxylic acids or related compounds for treating skin changes associated with intrinsic and extrinsic aging |
| 07/27/2004 | US6767867 Methods of treating subterranean zones penetrated by well bores |
| 07/27/2004 | US6767472 Catalytic fixed bed reactor systems for the destruction of contaminants in water by hydrogen peroxide and ozone |
| 07/27/2004 | US6767471 Introducing water-to-be-treated (desalination of saltwater) into a hydrate fractionation column, injecting a hydrate-forming gas or mixture into the water under suitable pressure and temperature conditions to form gas hydrate |
| 07/27/2004 | US6767470 Admixing sodium chlorite solution with a second solution containing an acid to make a reacted mixture; introducing a predetermined amount of reacted mixture into a water system |
| 07/27/2004 | US6767468 Method to remove uranium/vanadium contamination from groundwater |
| 07/27/2004 | US6767464 Process and apparatus for waste water treatment |
| 07/27/2004 | US6767463 Method for minimizing the new water use in the water circulation system of a treatment plant |
| 07/27/2004 | US6767462 Apparatus and method for purifying wastewater using back overflowed sludge |
| 07/27/2004 | US6767460 Filter media containing ion exchange additives |
| 07/27/2004 | US6767458 Ultraviolet generator used in water purification system |
| 07/27/2004 | US6767456 To remove oils and solvents carried by surface water runoff |
| 07/27/2004 | US6767455 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 07/27/2004 | US6767454 Ink flocculation; solid, liquid separation; water distillation |
| 07/27/2004 | US6767453 Portable water purifier with ultraviolet light source |
| 07/27/2004 | US6767433 May be used to provide distilled water |
| 07/27/2004 | US6767160 Porous pavement for water quantity and quality management |
| 07/27/2004 | US6767008 Using diffuser with elongated body effecting pressure drop dissolution |
| 07/27/2004 | US6766909 Separation device for a flotation machine |
| 07/27/2004 | US6766822 Method of water distribution and apparatus therefor |
| 07/27/2004 | US6766812 Household appliance using water, namely, a washing machine, with improved device for reducing the water hardness |
| 07/27/2004 | CA2417329A1 Device for automatically feeding soluble fluid treating agents in tablet form into a fluid body |
| 07/27/2004 | CA2372482C Method and ballast for feeding a uv light low pressure radiator |
| 07/22/2004 | WO2004060819A1 Treatment of aqueous suspensions |
| 07/22/2004 | WO2004060818A1 Method for removal of biofilm |
| 07/22/2004 | WO2004060817A1 Low-temperature pasteurization method |
| 07/22/2004 | WO2004060816A1 Waste liquid regenerator of printing machine and method for regenerating waste liquid |
| 07/22/2004 | WO2004060815A1 Electric demineralizer |
| 07/22/2004 | WO2004060814A1 Apparatus for preliminary separation of oil from water |
| 07/22/2004 | WO2004060813A1 Micro-discharge devices and applications |
| 07/22/2004 | WO2004060812A1 Diffusion driven desalination apparatus and process |
| 07/22/2004 | WO2004060809A2 Extracting energy from non-potable water of a sewer process |
| 07/22/2004 | WO2004060565A1 Guiding device for a flotation machine |
| 07/22/2004 | WO2004011377A3 Treatment of wastewater by biological and membrane separation technologies |
| 07/22/2004 | WO2003071568A3 Starter assembly for a gas discharge lamp |
| 07/22/2004 | WO2003022447A3 Sprayer and filter therefor |
| 07/22/2004 | WO2002068917A3 Flow-through chemical actinometer for ultraviolet disinfection reactors |
| 07/22/2004 | US20040142834 Soap and process for cleaning wash water |
| 07/22/2004 | US20040141904 For reducing the concentration of an anion in an alkaline medium |
| 07/22/2004 | US20040141876 High energy disinfection of waste |
| 07/22/2004 | US20040141874 To provide breathing air and drinking water with less viruses, bacteria and contaminants to the growing animals, such as poultry |
| 07/22/2004 | US20040141810 Soil desalinator |
| 07/22/2004 | US20040141120 Variable optical attenuator based on electrically switchable cholesteric liquid crystal reflective polarizers |
| 07/22/2004 | US20040140448 Biodegrading said wastewater without any prior pH adjustment by alkalophilic/alkaline-tolerant microbes |
| 07/22/2004 | US20040140435 Water purifying apparatus |
| 07/22/2004 | US20040140272 Float has specific gravity greater than material being removed; tube attached penetrates material being removed; pump actuates extraction through tube; windmill power |
| 07/22/2004 | US20040140270 Liquid purification method and apparatus |
| 07/22/2004 | US20040140269 Spiral water transmitting tube enclosing quartz tube; drinking water treatment; double-spiral water flow causes ozone gas and water to mix and dissolve homogenously |
| 07/22/2004 | US20040140268 Acidic-wastewater material and method of treating acidic wastewater |
| 07/22/2004 | US20040140267 Multiple use water purification device |
| 07/22/2004 | US20040140266 Dispersing a magnetic ion-exchange resin in water containing dissolved organic carbon (DOC) to enable adsorption |
| 07/22/2004 | US20040140264 Production of potable liquids |
| 07/22/2004 | US20040140262 Oxygen depleted wastewater fluid flow through vessel with set of perforated triangular vanes arranged to rotate about vertical axis; air is drawn, mixed and entrained in mist that coalesces to form bubbles; pumping, expulsion |
| 07/22/2004 | US20040140253 Magnetic-energy-releasing molecular rearranging structure |
| 07/22/2004 | US20040140251 Ultraviolet cleaning water device |
| 07/22/2004 | US20040140218 High pressure process and apparatus for the electrocoagulative treatment of aqueous and viscous fluids |
| 07/22/2004 | US20040140200 Chlorine generator |
| 07/22/2004 | US20040140125 Orientation system for a subsea well |
| 07/22/2004 | US20040140124 Drilling and producing deep water subsea wells |
| 07/22/2004 | DE202004003380U1 Solar desalination apparatus comprises rigid base trough containing flexible inner trough e.g. of black rubber, and transparent hood with parabolic cross-section which concentrates sunlight onto inner trough |
| 07/22/2004 | DE19942347B4 Elektrochemisch regenerierbarer Ionenaustauscher Electrochemical regenerable ion exchangers |
| 07/22/2004 | DE19752174B4 Reinigungsvorrichtung Cleaning device |
| 07/22/2004 | DE10323448A1 Kaltkeramik Cold ceramic |
| 07/22/2004 | DE10300879A1 Zwei- oder mehrstufiges Membran-Aufbereitungsverfahren von Phosphatierspülwasser Two- or multi-stage membrane treatment processes of Phosphatierspülwasser |
| 07/22/2004 | DE10259997A1 Verfahren zur Reinigung und Desinfektion von mobilen und stationären Toilettensystemen und Toilettenoberflächen Methods for cleaning and disinfection of mobile and stationary systems toilet and toilet surfaces |
| 07/22/2004 | DE10257960A1 Verfahren und Vorrichtung zur überwachung von Wasseraufbereitungsanlagen Method and apparatus for monitoring of water treatment plants |
| 07/22/2004 | DE10157342B4 Verfahren zur Verbesserung der Wasserqualität von offenen sauren sulfathaltigen Gewässern A method for improving the water quality of open acidic sulfate-containing waters |
| 07/22/2004 | CA2723331A1 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/22/2004 | CA2511554A1 Micro-discharge devices and applications |
| 07/22/2004 | CA2507978A1 Method for removal of biofilm |
| 07/22/2004 | CA2455528A1 Treatment of hog waste |
| 07/21/2004 | EP1438578A2 Method for monitoring a public water treatment system |
| 07/21/2004 | EP1438464A1 Method of water distribution and apparatus therefor |
| 07/21/2004 | EP1438264A1 Purification of phosphoric acid plant pond water |
| 07/21/2004 | EP1438263A1 System for water dispenser disinfection by integral heating, corresponding method, device and fountains |
| 07/21/2004 | EP1438262A2 Method and apparatus for purifying water |
| 07/21/2004 | EP1438116A1 Water filtering apparatus |
| 07/21/2004 | EP1311203B1 Device for feeding a treatment liquid to medical appliances |
| 07/21/2004 | EP1198276B1 Improved injection of a solids-laden water stream into a centrifugal separator |
| 07/21/2004 | EP1058575B1 Method and apparatus for removing water from aqueous fluid mixture |
| 07/21/2004 | EP0731775B1 High temperature evaporation inhibitor liquid |
| 07/21/2004 | CN2627069Y Water supply purifying installation for storied building |
| 07/21/2004 | CN2626987Y Intermediate water reclamation device |
| 07/21/2004 | CN2626985Y Pressure-bearing type ozone water automatic generator |
| 07/21/2004 | CN2626984Y Nanometer activitor beauty treatment pot |
| 07/21/2004 | CN2626983Y Adjustable integration net cage reaction equipment |
| 07/21/2004 | CN2626982Y 不锈钢斜管 Stainless steel chute |
| 07/21/2004 | CN2626981Y Annular metal film sea water desalting plant |
| 07/21/2004 | CN2626980Y Device for processing oily sewage |
| 07/21/2004 | CN2626979Y Sewer water and oily soil purifier |
| 07/21/2004 | CN2626978Y Artificial branchia dissolved oxygen acquisition device |
| 07/21/2004 | CN2626977Y Evaporation type sea water desalting plant for ship |
| 07/21/2004 | CN2626976Y Chemical experiment waste water processing apparatus |
| 07/21/2004 | CN2626975Y Main water metering and purifying apparatus |
| 07/21/2004 | CN1514445A Low temperature heat supply reactor having high safety |
| 07/21/2004 | CN1514083A Electronic intelligent comprehensive function sanitary toilet bowl |
| 07/21/2004 | CN1513778A Method of eliminating nitrite and ammonia nitrogen in aquatic culture |