| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/16/2004 | US6705104 Fresh water generating apparatus |
| 03/16/2004 | CA2142977C Process and plant for decontaminating solid materials contaminated with organic pollutants |
| 03/16/2004 | CA2079076C A layered cementitious composition which time releases permanganate ion |
| 03/11/2004 | WO2004020919A1 Device for extracting water from the atmosphere |
| 03/11/2004 | WO2004020726A1 Dyeing apparatus |
| 03/11/2004 | WO2004020698A1 Device and method for regenerating an electroless metal plating bath |
| 03/11/2004 | WO2004020350A1 Modified hydroxyamine for boiler water treatment |
| 03/11/2004 | WO2004020348A1 Waste water purifying plant for a one family house |
| 03/11/2004 | WO2004020347A1 Method of treating waste water containing high level nitrate-nitrogen |
| 03/11/2004 | WO2004020346A1 System for purifying/activating water and method for purifying/activating water |
| 03/11/2004 | WO2004020345A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/11/2004 | WO2004020344A1 Chlorinator |
| 03/11/2004 | WO2004020343A2 Pool filter with a pre-filtering unit |
| 03/11/2004 | WO2004020340A2 Fluid treatment system |
| 03/11/2004 | WO2004020095A1 Ion adsorption module and method for water treatment |
| 03/11/2004 | WO2004019859A2 Phosphonamide and phosphonamide blend compositions and method to treat water |
| 03/11/2004 | WO2004014806A3 A combined electrochemical system for scale treatment and eradicating legionella pneumophila bacteria in water supply systems |
| 03/11/2004 | WO2004002923A3 Oxidation of organic compounds |
| 03/11/2004 | WO2003072231A3 Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof |
| 03/11/2004 | WO2003061811A3 Device for the purification and the control of water by reverse osmosis |
| 03/11/2004 | US20040049230 Biomimetic membranes |
| 03/11/2004 | US20040048762 Contacting the body of liquid with a biocide comprising hydrogen peroxide (H2O2) in combination with a catalyst for enhancing the activity of, so as to eliminate, in whole or in part, the contaminant(s) |
| 03/11/2004 | US20040048733 Method and system for providing certified reactivated carbon |
| 03/11/2004 | US20040046149 Quatrepolymer tablet |
| 03/11/2004 | US20040045912 Method and device for collecting a floating liquid |
| 03/11/2004 | US20040045911 Treating a site containing contaminants and apparatus are described The method and apparatus sparges the site with an air/ozone gas stream delivered with a hydroperoxide, which is a substantial byproduct of a reaction of a contaminant present |
| 03/11/2004 | US20040045910 Conveyance such as a passenger aircraft, the gray water is passed through at least one filter, through a coarse filter followed by a fine filter, into a treatment tank where it is anodically oxidized. The rinsing is performed by a pump that |
| 03/11/2004 | US20040045909 Humidifier |
| 03/11/2004 | US20040045908 Reducing cyanide and formate concentrations in gasification wastewater streams comprising first removing suspended solids from the wastewater stream, then adding sufficient hydrogen peroxide to completely oxidize contained cyanide ions and |
| 03/11/2004 | US20040045906 Compositions and methods for the removal of colorants from solution |
| 03/11/2004 | US20040045905 Reuse of used cooking oil adsorbants |
| 03/11/2004 | US20040045903 Apparatus and methods for recycling biological waste |
| 03/11/2004 | US20040045899 Water treatment digester includes a flexible bladder, a frame, and a plurality of filter plates. The flexible bladder is movable from a collapsed position wherein the bladder is folded into a substantially flattened state to an expanded |
| 03/11/2004 | US20040045893 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter |
| 03/11/2004 | US20040045888 Fluid treatment system |
| 03/11/2004 | US20040045886 UV-assisted advanced-ozonation water treatment system and advanced-ozonation module |
| 03/11/2004 | US20040045885 Waste treatment system for treatment of organic waste and digested liquid thereof |
| 03/11/2004 | US20040045881 Method and apparatus for generating a sterile infusion fluid |
| 03/11/2004 | US20040045880 Water treatment control system using fluorescence analyzer |
| 03/11/2004 | US20040045838 Water treatment process and apparatus |
| 03/11/2004 | US20040045836 Electrolysis system |
| 03/11/2004 | US20040045815 Modified electrolysis cell and a housing for the same |
| 03/11/2004 | US20040045682 Cogeneration wasteheat evaporation system and method for wastewater treatment utilizing wasteheat recovery |
| 03/11/2004 | US20040045681 Compact evaporation apparatus |
| 03/11/2004 | US20040045403 Metal powder capable of decomposing and remedying various range of organic halogen compounds including organic halogen compounds which are difficult to be decomposed by a conventional decomposition and remediation method. Metal |
| 03/11/2004 | DE20319867U1 Protein skimmer for fresh water aquaria comprises two concentric tubes, up which foam rises from flow of water containing air bubbles. |
| 03/11/2004 | DE20319318U1 Assembly to enhance the health qualities of tap water used for drinking purposes has tubular body with pearl inserts imparting resonant left twist |
| 03/11/2004 | DE20313568U1 Device for algae control comprises two concentric metal pipes forming an annular gap which serves as a flow-through chamber with a voltage field for water with algae |
| 03/11/2004 | DE19740642B4 Verfahren und Vorrichtung zur Wiederverwertung von Grauwasser Method and apparatus for recycling of gray water |
| 03/11/2004 | DE19611135B4 Mittel und Verfahren zur Herstellung von biologisch vorteilhaftem bis naturnahem Aquarien- und Gartenteichwasser Means and methods for the preparation of biologically favorable to near-natural aquarium and pond water |
| 03/11/2004 | DE10244063A1 Lime slaking reactor for power station water treatment system, has intermittently-operated high pressure water jets directed at reactor dome and upper sidewalls |
| 03/11/2004 | DE10242150A1 Process and assembly to condition sewage sludge by exposure to alternating current electrical field in conjunction with selected additives |
| 03/11/2004 | DE10241518A1 Process and assembly to remove water from pre-used oil residues by formation of water droplets of predetermined measurable size and subsequent coalescence |
| 03/11/2004 | DE10240459A1 Water surface oil skimmer angled belt drives surface layer motion in oil-polluted surface layer with plastic or stainless steel angled belt |
| 03/11/2004 | DE10240350A1 Vorrichtung und Verfahren zum Regenerieren eines stromlosen Metallabscheidebades Apparatus and method for regenerating an electroless metal plating bath |
| 03/11/2004 | DE10239757A1 Process to purify salt water using wind-driven generator coupled to air compressor, heat exchanger, gas tank and heat storage unit with heat exchanger |
| 03/11/2004 | DE10238957A1 Reduction of hexavalent uranium concentration in running water, for purifying water e.g. from flooded uranium mine, waste-heap leachate or ground water, comprises use of mixture of chicken manure and feldspar in geochemical barrier |
| 03/11/2004 | DE10237745A1 Control of biocide addition to aqueous process liquid, e.g. circulating washing water in paint plant or cooling lubricant involves measurement oxygen content or redox potential and addition when value below given minimum |
| 03/11/2004 | DE10237674A1 System to clear water pipes and the like, of fouling and bio-films, has a hot steam generator to spray steam into the water pipe through a jet and/or generate sparks as an arc through electrodes at the pipe |
| 03/11/2004 | CA2497050A1 Pond filter with a prefiltration unit |
| 03/11/2004 | CA2496671A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/10/2004 | EP1396558A1 Anode/cathode feed high pressure electrolysis system |
| 03/10/2004 | EP1396285A1 Fluid treatment system |
| 03/10/2004 | EP1395524A2 Improved swellable phyllosilicates |
| 03/10/2004 | EP1395522A2 Electrode ionization apparatus and method |
| 03/10/2004 | EP1395521A1 Article for deionization of water |
| 03/10/2004 | EP1395520A1 Uv-irradiation device for treating fluids, comprising an improved cleaning device |
| 03/10/2004 | EP1395519A1 Method for cleaning tar-bearing waste water and apparatus for performing said method |
| 03/10/2004 | EP1395138A1 Reclosable fastener assembly with slider closed position indicator |
| 03/10/2004 | EP1259309B1 Automatic device for purifying drinking water |
| 03/10/2004 | EP1242638B8 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 03/10/2004 | EP1242314B1 Production of pyrogen controlled water |
| 03/10/2004 | EP1216206B1 Permanent magnetic liquid treating device |
| 03/10/2004 | EP1210299B1 Method of producing hydroxyl radicals for chemical reactions |
| 03/10/2004 | CN2606104Y Agricultural drinking water purifier |
| 03/10/2004 | CN2606103Y Well water purifier |
| 03/10/2004 | CN1481338A Water treatment device |
| 03/10/2004 | CN1481337A Fluid treatment system and radiation source module for use therein |
| 03/10/2004 | CN1481336A Phosphate stabilizing compsns |
| 03/10/2004 | CN1481272A Hollow fiber film and method for prodn thereof |
| 03/10/2004 | CN1480561A Generator of oxidation potential water sterilization liquid |
| 03/10/2004 | CN1480475A Method for manufacturing flocculant of modified polyacrylamide for concrete keeping together underwater |
| 03/10/2004 | CN1480407A Method for treating wastewater form mechanic grinding copper, and its appts |
| 03/10/2004 | CN1480406A Method for treating water containing oil in regressive continuous mode and equipment |
| 03/10/2004 | CN1480043A Compound bactericide for treating water and its preparing method |
| 03/10/2004 | CN1141302C Process for treating waste water containing furaldehyde and recovering furaldehyde and acetic acid |
| 03/10/2004 | CN1141258C Process for treating cyclic cooling water |
| 03/10/2004 | CN1141257C Process for treating cyclic cooling water containing sulfides |
| 03/10/2004 | CN1141256C Process for treating biological clay in circulating water system |
| 03/10/2004 | CN1141255C Process and equipment for supercritical desalination of sea water while providing energy |
| 03/10/2004 | CN1141251C Comprehensive treatment process of producing active carbon with papermaking effuent |
| 03/10/2004 | CN1141165C Device for cleaning fluid in form of vapor from duct |
| 03/09/2004 | US6702949 Inert gas used to displace undesired gases such as carbon dioxide in the water, then pumping the water to a sparging column to release the inert gas and undesired gases; depleted water is pumped to a second mixing station and oxygenated |
| 03/09/2004 | US6702947 Separation device and method comprising a tubular electrocoalescer |
| 03/09/2004 | US6702944 Contains multi hollow fibre nanofiltration or reverse osmosis membranes; using such modules to filter water or to remove hardness |
| 03/09/2004 | US6702943 Contacting liquid with matrix carrying ligands comprising a positively charged structure and hydrophobic structure, desorbing substance |
| 03/09/2004 | US6702941 Fluid treatment elements adapted for cross flow treatment |
| 03/09/2004 | US6701960 Double cone for generation of a pressure difference |
| 03/05/2004 | CA2400546A1 Assembly filtering and recycling waste water of a dishwasher one or more times for saving energy and water consumption |
| 03/04/2004 | WO2004019465A2 Ex-situ pem fuel cell testing: towards visualizing gas diffusion |