| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/29/2004 | US20040016688 Energy-efficient duct, head cell with duct and methods |
| 01/29/2004 | US20040016649 Contacting a metal material article having electrical conductivity with phosphate chemical treatment bath and electrolytic treatment to form film containing phosphate compound is formed on the surface of article |
| 01/29/2004 | US20040016631 Wave powered evaporation desalination system |
| 01/29/2004 | DE10240709B3 Verfahren und Einrichtung zur Entkeimung von Wasser zur Direktbefeuchtung von Raumluft Method and apparatus for sterilizing water for Direktbefeuchtung of room air |
| 01/29/2004 | DE10231241A1 Filterelement für mit Feststoffpartikeln und gelösten Schadstoffen belastetes Wasser und mit einem solchen Filterelement ausgerüstetes Reinigungssystem Filter element equipped with solid particles and dissolved pollutants polluted water and with such a filter element cleaning system |
| 01/29/2004 | DE10230672A1 Verfahren und Vorrichtung zur Reinigung von Rechen, Rechengut und Sand Method and apparatus for cleaning screens, screenings and grit |
| 01/29/2004 | DE10229799A1 Verfahren zur Aufbereitung und Wiederverwendung von Grauwasser zur Spülung von Toiletten in Vakuumsystemen Process for the treatment and reuse of gray water to flush toilets in vacuum systems |
| 01/29/2004 | DE10229521A1 Verfahren zur Steuerung von Niedertemperaturtrocknung von Feuchtgut A method of controlling low-temperature drying of moist material |
| 01/29/2004 | DE10228148A1 Selektive Membran mit hoher Fouling-Beständigkeit Selective membrane with high fouling resistance |
| 01/29/2004 | CA2493661A1 Electrochemical cells |
| 01/29/2004 | CA2492799A1 Portable compact ultra high purity water system via direct processing from city feed water |
| 01/28/2004 | EP1384898A1 Separating arrangement for treatment of fluids |
| 01/28/2004 | EP1384746A1 Composite porous ion-exchanger, method of manufacturing the ion-exchanger, deionization module using the ion- exchanger, and electric deionized water manufacturing device |
| 01/28/2004 | EP1383941A1 Modular electrochemical cell |
| 01/28/2004 | EP1383712A2 Process for flocculating suspensions |
| 01/28/2004 | EP1383711A2 Household apparatus using a fluid, comprising a purifying system of the type in which at least a substance must be removed from said fluid |
| 01/28/2004 | EP1383710A1 Apparatus and method for the remeoval of a contaminant from a fluid comprising said contaminant |
| 01/28/2004 | EP0923611B1 Polyacrylamide polymerisation |
| 01/28/2004 | CN2601251Y Sterilizing appts. for sewage contg. oil |
| 01/28/2004 | CN2601250Y Oil field sewage sterilizing appts. |
| 01/28/2004 | CN2601249Y Graded water supply purifying converter |
| 01/28/2004 | CN2601248Y Small domestic water purifier |
| 01/28/2004 | CN2601247Y Water treatment appts. |
| 01/28/2004 | CN2601246Y Pipe type oil-water cyclone separator |
| 01/28/2004 | CN2601245Y Means for eliminating volatile pollutant in sewage by supersonic blowing |
| 01/28/2004 | CN2601244Y Central drinking water purifier |
| 01/28/2004 | CN2601243Y Graded domestic sewage treatment appts. |
| 01/28/2004 | CN1471424A Fiber membrane arrangement |
| 01/28/2004 | CN1471419A Water filter cartridge having a proportional flow feeder |
| 01/28/2004 | CN1471409A Concept for slurry separation and biogas production |
| 01/28/2004 | CN1471366A Method and device for sterilising liquid |
| 01/28/2004 | CN1470674A Nickel-containing iron trichloride etching effluent extraction and separation method |
| 01/28/2004 | CN1470463A Method for treating highly acid-basic industrial sewage by metal aluminium |
| 01/28/2004 | CN1470462A Running water paint-removing method and its water paint-removing machine |
| 01/28/2004 | CN1470461A Oil-containing sewage floatation cyclone coupling separation method |
| 01/28/2004 | CN1470322A Photocatalyst and its use for treating waste water of degrading halogen organics |
| 01/28/2004 | CN1470300A Method of dechlorination for polychloro diphenyl from waste transformer oil |
| 01/28/2004 | CN1470157A Flower-type tomato-tree cultivating method |
| 01/28/2004 | CN1136365C Method and device for recovering liquid substance |
| 01/28/2004 | CN1136354C Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber |
| 01/28/2004 | CN1136155C Electric deionizing apparatus |
| 01/28/2004 | CN1136154C Active oxygen eliminating agent concentrated liquid and its producing process and active oxygen eliminating agent powder |
| 01/28/2004 | CN1136153C Electrolyzed water production apparatus |
| 01/28/2004 | CN1136152C Electrolyzed water production apparatus |
| 01/28/2004 | CN1136041C Process for preparing seaweed-type heavy metal ion adsorbent |
| 01/28/2004 | CN1136033C Bacteriostalic filter cartridge |
| 01/28/2004 | CN1136027C Groundwater filter for producing drinking water |
| 01/28/2004 | CN1136026C Water quality purifier |
| 01/28/2004 | CN1136025C Coagulation precipitator |
| 01/27/2004 | US6683411 Discharge lamp, ultraviolet ray irradiation apparatus and method of using the apparatus |
| 01/27/2004 | US6683313 Chamber with inlet, outlet and lamps; modules can be used individually or in combination depending on volumes; simplifies manufacturing and assembly |
| 01/27/2004 | US6682713 Durability having a mackinawite structure; for treating heavy metals in wastes |
| 01/27/2004 | US6682654 Sludge recovery apparatus and method |
| 01/27/2004 | US6682652 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fiber membranes |
| 01/27/2004 | US6682646 Minimizing waste; forming only small metallic particles gathered in collection containers |
| 01/27/2004 | CA2148039C Process and facility for treating a raw flow by simple decantation after fine sand ballasting |
| 01/22/2004 | WO2004008134A1 Method for evaluating cation-exchage resin and method for controlling water treatment system using the same |
| 01/22/2004 | WO2004007379A1 Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
| 01/22/2004 | WO2004007378A2 Pathogen reduction using chloramines |
| 01/22/2004 | WO2004007377A1 Method and device for killing bacteria, viruses, fungus, parasites and worms in water and food with a rotating magnet |
| 01/22/2004 | WO2004007376A1 Water treatment device for electrolyzing, magnetizing, and re-resonating water |
| 01/22/2004 | WO2004007375A1 Method of treating condensate and apparatus |
| 01/22/2004 | WO2004007374A1 Filter appliance and inner container for a filter appliance |
| 01/22/2004 | WO2004007372A1 Hydrous zirconium oxide, hydrous hafnium oxide and method of making same |
| 01/22/2004 | WO2004007060A2 Uv treated membranes |
| 01/22/2004 | WO2004007050A2 Device and system for filtering effluents for horticulture or market gardening |
| 01/22/2004 | WO2004007049A1 Filtration method, filtration device, method of desalinating sea water by using the device, and method of desulfurizing petroleum |
| 01/22/2004 | WO2004007048A1 Vortex enhanced filtration device and methods |
| 01/22/2004 | WO2004007046A1 Method and device for purifying waste water that is polluted with organic and/or inorganic matter |
| 01/22/2004 | WO2004006969A1 Porous semiconductor and process for producing the same |
| 01/22/2004 | WO2004006661A1 Water distributor device for aquariums, ponds and the like provided with a possible biological filter |
| 01/22/2004 | WO2003060950A3 Amalgam-doped mercury low-pressure irradiator |
| 01/22/2004 | WO2003040876A3 Regulatory compliance system and method |
| 01/22/2004 | US20040014989 Inorganic composition, process of preparation and method of use |
| 01/22/2004 | US20040014623 Sequestering |
| 01/22/2004 | US20040014622 Detergent |
| 01/22/2004 | US20040013918 Method and apparatus for integrated water deionization, electrolytic hydrogen production, and electrochemical power generation |
| 01/22/2004 | US20040013784 For dissolving in distilled/demineralized water and retaining quality |
| 01/22/2004 | US20040013600 Intellectual message energetic water |
| 01/22/2004 | US20040013563 Cooling tower maintenance |
| 01/22/2004 | US20040013470 Adsorbent particlespreparation method and treatment of soils polluted by hydrocarbons using said particles |
| 01/22/2004 | US20040013048 Timing device |
| 01/22/2004 | US20040012913 Fringe-field capacitor electrode for electrochemical device |
| 01/22/2004 | US20040012104 Gas dissolved water producing apparatus and method thereof and ultrasonic cleaning equipment and method thereof |
| 01/22/2004 | US20040011746 Heating fluid containing water and an oxidizing agent in a ring-shaped area; introducing heated fluid into internal tube and simultaneously introducing material to be treated; mixing, cooling; isobarically discharging the fluid/oxidized material |
| 01/22/2004 | US20040011743 Process for inhibiting scale and fouling on the metal surfaces exposed to an aqeuous system |
| 01/22/2004 | US20040011742 Used to purify water for drinking |
| 01/22/2004 | US20040011741 Water for assisting the purification of water for feeding ornamental fishes or fishes and shellfishes |
| 01/22/2004 | US20040011736 For controlling a wastewater treatment of using a microorganism that can degrade a specific compound |
| 01/22/2004 | US20040011734 Partitioned into a first zone for storing and settling hog waste, a second zone for carrying out sequence batch reaction onto the supernatant, a third zone to store processed liquid materials from one and two and fourth zone for fermentation |
| 01/22/2004 | US20040011724 Filter cartridge support |
| 01/22/2004 | US20040011721 Apparatus for purifying water |
| 01/22/2004 | US20040011665 For electrolysis which has an electrode catalyst at least on the surface and produces ozone or active oxygen in for-treatment water by electrolysis, the electrode catalyst contains a dielectric; efficiency, durability |
| 01/22/2004 | US20040011642 Ozone water producing apparatus and gas-liquid mixture producing apparatus |
| 01/22/2004 | US20040011637 Vacuum low-temperature distilled pure water dispenser |
| 01/22/2004 | US20040011414 Flow diffusers in a UV pressurized reactor |
| 01/22/2004 | US20040011255 Granular ceramic material with high porosity |
| 01/22/2004 | US20040010955 Method for treating metal-contaminated water and soil |
| 01/22/2004 | US20040010845 Foot warm bath equipment |
| 01/22/2004 | DE10240389B3 Festes Filterreinigungsmaterial und Verfahren zur Reinigung von Filtern Fixed filter cleaning material and method for cleaning filters |