| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/05/2002 | CN2494353Y Sewage purifying device |
| 06/05/2002 | CN2494352Y Strong magnetizer |
| 06/05/2002 | CN2494166Y Integral water-cleaning water dispenser |
| 06/05/2002 | CN1352713A Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber |
| 06/05/2002 | CN1352702A Post-passivation of a phosphatized metal surface |
| 06/05/2002 | CN1352622A Apparatus for oxidatively destructing trace injurious substance |
| 06/05/2002 | CN1352460A Method for realizing fully automatic sterilization by adding timed control in sterilizing cabinet and drinking water machine |
| 06/05/2002 | CN1351968A Treating method for high fluorice acid waste water |
| 06/05/2002 | CN1351967A High pressure injected water electrolyzing and sterilizing device for oil field |
| 06/05/2002 | CN1351966A Composite water deoxidizing agent for wet steam generator |
| 06/05/2002 | CN1351965A High purity water antifoulant and its special container |
| 06/05/2002 | CN1351964A Seal device with lid |
| 06/04/2002 | US6399730 Mixture of polymerization reagents is sprayed into a heated, controlled atmosphere, forming droplets of the mixture which are allowed to fall through the heated, controlled atmosphere to obtain a desired degree of polymerization. |
| 06/04/2002 | US6399040 Process for generating recoverable sulfur containing compounds from a spent acid stream |
| 06/04/2002 | US6399022 Simplified ozonator for a semiconductor wafer cleaner |
| 06/04/2002 | US6398971 System and method for photocatalytic treatment of contaminated media |
| 06/04/2002 | US6398970 A vessel containing xenon with walls composed of a dielectric material, electrodes on the outer surface and a phosphor emitter coating on the inner surface |
| 06/04/2002 | US6398968 Precipitating arsenic and other impurities from water by adding iron salts followed by pressurization and depressurization |
| 06/04/2002 | US6398967 Method of clarifying water using low molecular weight cationic dispersion polymers |
| 06/04/2002 | US6398966 For removing organic materials from water, particularly industrial waste waters, ship bilge pump waters, produced water and rainwater collected on offshore oil drilling and production platforms, by adsorption with an oil adsorbent |
| 06/04/2002 | US6398965 Water treatment system and process |
| 06/04/2002 | US6398964 Process for treating aqueous waste containing copper and copper CMP particles |
| 06/04/2002 | US6398959 Solids separator and aeration reservoirs having filters and screens for agricultural waste water treatment; antiseptics; ozone |
| 06/04/2002 | US6398954 Multimedia backwashable filtration system |
| 06/04/2002 | US6398951 Method and apparatus for removing oil from water including monitoring of adsorbent saturation |
| 06/04/2002 | US6398930 Water quality meter and water quality monitoring system |
| 06/04/2002 | US6398928 Electrolytic ozone generating method, system and ozone water producing system |
| 06/04/2002 | US6398927 Water purifying means |
| 06/04/2002 | US6398921 Dehydrating sludge and exposing the pyrolysis product to microwave heat exchange in the absence of oxygen to produce fuel gas and char; combusting the char for process heat |
| 06/04/2002 | US6398046 Drum roller dispenser for dry particles, particularly polymeric erosion control agents |
| 06/04/2002 | US6397766 Evaporative and regenerative waste water incineration system |
| 06/04/2002 | CA2260205C Minimizing evaporator scaling and recovery of salts during gasification |
| 06/04/2002 | CA2187982C Free radical oxidation process and installation for treating liquid effluents contaminated by organic substances |
| 05/30/2002 | WO2003043721A1 Spacer for filled cell electrodialysis |
| 05/30/2002 | WO2002042500A2 Apparatus and method for electrophoretic microspot concentration |
| 05/30/2002 | WO2002042226A1 Aerobic polishing system for wastewater |
| 05/30/2002 | WO2002042225A1 Method and apparatus for monitoring an ozone generator in a household water purifier |
| 05/30/2002 | WO2002042224A1 Method and apparatus for controlling a household water purifier |
| 05/30/2002 | WO2002042223A1 Ballasted floc water treatment installation |
| 05/30/2002 | WO2002042222A1 Liquid purifying device |
| 05/30/2002 | WO2002042221A1 Water treatment apparatus |
| 05/30/2002 | WO2002042220A1 Device for treating drinking water |
| 05/30/2002 | WO2002042219A2 Improved efficiency water desalination/purification |
| 05/30/2002 | WO2002042218A1 Sensor for a water treatment apparatus |
| 05/30/2002 | WO2002042217A1 Filter assembly for a household water purifier |
| 05/30/2002 | WO2002042216A2 Ozone generator |
| 05/30/2002 | WO2002042215A2 Media with germicidal properties |
| 05/30/2002 | WO2002042163A2 Automatic shutoff device for filtered water dispensers |
| 05/30/2002 | WO2002042017A1 Adsorbent particles, preparation method and treatment of soils polluted by hydrocarbons using said particles |
| 05/30/2002 | WO2002041980A1 Device and method for cleaning a fluid, such as water |
| 05/30/2002 | WO2002041979A1 Method and device for desalting water |
| 05/30/2002 | WO2002041970A1 Carbon block water filter |
| 05/30/2002 | WO2001044115B1 Waste water treatment system |
| 05/30/2002 | WO2001042151A9 Methods for treating wastewater sludge |
| 05/30/2002 | US20020065188 Process and equipment for the reactivation of activated carbon |
| 05/30/2002 | US20020063954 UV portal-based appliances and containers |
| 05/30/2002 | US20020063345 Apparatus and method for controlling resistivity of ultra pure water |
| 05/30/2002 | US20020063095 Wastewater treatment |
| 05/30/2002 | US20020063094 Method for disintegrating sewage sludge |
| 05/30/2002 | US20020063089 Water filtration device employing far infrared media |
| 05/30/2002 | US20020063088 For producing high-purity water used as washing water in the manufacturing of semiconductor devices |
| 05/30/2002 | US20020063052 Process for removing arsenic compounds from the distillation bottoms from the preparation of hydrogen fluoride |
| 05/30/2002 | US20020063051 Processing of shipboard wastewater |
| 05/30/2002 | US20020062951 Method for preventing contamination of heat exchanger and heat exchanger using this method |
| 05/30/2002 | US20020062871 Floating weir assembly and fluid flow management system comprising same |
| 05/30/2002 | CA2431593A1 Device and method for cleaning a fluid, such as water |
| 05/30/2002 | CA2430186A1 Aerobic polishing system for wastewater |
| 05/29/2002 | EP1209213A1 Hydrophobic absorbing polymers and process |
| 05/29/2002 | EP1209127A1 Method and system for production of storage-stable pellets from clarified sludge |
| 05/29/2002 | EP1209126A2 Water treatment device and a universal housing adaptor |
| 05/29/2002 | EP1209125A2 Process for recovering fluorinated akanoic acids from wastewater |
| 05/29/2002 | EP1208304A1 Double cone for generation of a pressure difference |
| 05/29/2002 | EP1208248A1 Corrosion inhibition method suitable for use in potable water |
| 05/29/2002 | EP1208066A2 Water still with pervaporation membrane and method of operation thereof |
| 05/29/2002 | EP1208065A1 Method for recovering fluorinated emulsifiers from aqueous phases |
| 05/29/2002 | EP1208064A1 Improvements in water generating devices |
| 05/29/2002 | EP1207952A1 Method and apparatus for economical solid-liquid separation in water-based solutions |
| 05/29/2002 | EP1042228A4 Method and apparatus for treating liquids and slurries |
| 05/29/2002 | DE10154471A1 Domestic water softener has heated plates trapping limestone scale subsequently liberated by mechanical expansion action |
| 05/29/2002 | DE10122712A1 Bumper reinforcement for motor vehicles, comprises hollow cross-section which changes gradually along width direction |
| 05/29/2002 | DE10057613A1 Desalinating seawater by reverse osmosis comprises using pressure equalizing unit with main valves to introduce and remove concentrated salt water |
| 05/29/2002 | DE10056071A1 Vapor removal device, for removing vapor from liquid-vapor mixture, comprises separator which forms pipe arrangement into which feed line horizontally protrudes |
| 05/29/2002 | DE10055855A1 A method for producing carbonated mineral water has a an integrated block comprising thermoelectric cooling elements and a carbon dioxide mixing chamber |
| 05/29/2002 | DE10055781A1 Cathode in electrolytic water treatment unit held at given voltage in periods of non-primary treatment operation preventing reduction of nitrite to nitrate |
| 05/29/2002 | DE10055722A1 Swimming pool water purified by submerged direct current electrodes with periodically reversed polarity |
| 05/29/2002 | DE10055565A1 Production of a sorbent useful for purifying solutions or gases comprises drying and comminuting Vaucheria seaweed harvested from the wild |
| 05/29/2002 | DE10048299A1 Vorrichtung zur elektrolytischen Wasserdesinfektion unter Vermeidung katodischer Wasserstoffentwicklung Apparatus for electrolytic water disinfection avoiding cathodic hydrogen evolution |
| 05/29/2002 | CN2493611Y Swimming pool cleaning purifying machine model II |
| 05/29/2002 | CN2493610Y Fully automatic flushing and discharging electronic descaler |
| 05/29/2002 | CN2493609Y Water and oil separator |
| 05/29/2002 | CN2493567Y Bagged tea capable of activating water |
| 05/29/2002 | CN1351575A Reclamation of materials in a closed environment with remedia water |
| 05/29/2002 | CN1351574A Method for removal of nano-sized pathogens from liquids |
| 05/29/2002 | CN1351521A Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 05/29/2002 | CN1351514A Apparatus for producing water containing dissolved ozone |
| 05/29/2002 | CN1351513A Water dispensing apparatus with filter integrity testing system |
| 05/29/2002 | CN1350985A Method for biochemically treating wastewater |
| 05/29/2002 | CN1350983A Process and reactor for quickly purifying water |
| 05/29/2002 | CN1350982A Electrochemical process and reactor for treating waste water |
| 05/29/2002 | CN1085757C Process for removing lignin from black liquor in making paper by soda pulping |