| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/17/2002 | CN1344846A Waste water recovering and utilizing apparatus |
| 04/17/2002 | CN1344709A Novel di-quaternary ammonium salt compound |
| 04/17/2002 | CN1344695A Water-mineralizing and disinfecting phosphate glass |
| 04/17/2002 | CN1344691A Integral equipment for shock wave mass transfer and biochemical anerobic process |
| 04/17/2002 | CN1344688A Sewage treating agent |
| 04/17/2002 | CN1344687A High density live bacteria fermentation process with biological live bacteria water purifier |
| 04/17/2002 | CN1344686A 电凝机 Cautery machine |
| 04/17/2002 | CN1344685A Organic waste water treaitng magnetic field and supersonic wave method |
| 04/17/2002 | CN1344684A High pressure gas expanding and instantaneously evaporating device for effiicent sea water desalting |
| 04/17/2002 | CN1344683A Urban sewage treatment and waste gas purification |
| 04/17/2002 | CN1344582A 过滤装置 Filtration device |
| 04/17/2002 | CN1082937C Biodegradation process for treating organic wastewater |
| 04/17/2002 | CN1082825C Fluid extraction of metal and/or metalloid |
| 04/16/2002 | US6372472 Nontoxic, biodegradation |
| 04/16/2002 | US6372148 Apparatus for purifying spas/jetted tubs |
| 04/16/2002 | US6372147 Hydrolysis of phenylated boron compounds to boric acid and benzene prior to biotreatment |
| 04/16/2002 | US6372146 Method of treating agricultural lagoons in confined animal feeding operations |
| 04/16/2002 | US6372145 Fat and protein removal from process streams |
| 04/16/2002 | US6372143 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis |
| 04/16/2002 | US6372139 Anaerobic treatment, aeration and flotation, sand filtration or urea-formaldehyde membrane solids separation; effluents reutilization |
| 04/16/2002 | US6372135 Polyetherurethane copolymer binder containing an organotin catalyst and a mixture of highly dispersed silica and/or bentonites with a thickened aluminosilicate modifier; production of drinking water from ground water in surface |
| 04/16/2002 | US6372132 Purifier for filtering and purifying a fluid |
| 04/16/2002 | US6372131 Closed cover waste treatment system with ionic oxygen generator |
| 04/16/2002 | US6372126 Chlorinator for aerobic waste treatment systems |
| 04/16/2002 | US6372111 Chemical mechanical planarization |
| 04/16/2002 | US6372095 One metal oxide including titanium and a metal having an electronegativity lower than that of titanium |
| 04/16/2002 | US6371058 Methods for recycling process wastewater streams |
| 04/16/2002 | CA2236233C Removal of caustic in hemicellulose caustic |
| 04/16/2002 | CA2109718C Uv lamp transmittance controller |
| 04/16/2002 | CA2079238C Membrane separation process |
| 04/16/2002 | CA2054371C Water conditioning apparatus and method for conditioning water |
| 04/16/2002 | CA2052367C Pre-treatment of wastes and refuse containing sodium and potassium ions |
| 04/16/2002 | CA2046555C Dispersal valve and canister |
| 04/12/2002 | CA2323299A1 Water treatment assembly |
| 04/11/2002 | WO2002029836A1 Fringe-field capacitor electrode for electrochemical device |
| 04/11/2002 | WO2002029808A2 Auxiliary channel masking in an audio signal |
| 04/11/2002 | WO2002028786A2 Process and apparatus for treating wastewater |
| 04/11/2002 | WO2002028783A2 In situ immobilization of metals within density variant bodies of water |
| 04/11/2002 | WO2002028782A1 Continuous water cycle water treatment apparatus |
| 04/11/2002 | WO2002028781A2 Apparatus and process for extracting and recovering metals from aqueous solutions |
| 04/11/2002 | WO2002028780A2 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
| 04/11/2002 | WO2002028538A2 Flotation device |
| 04/11/2002 | WO2002028517A1 Method for early detection of the occurrence of scaling in the purification of water |
| 04/11/2002 | WO2001090665A3 Condenser with integrated deaerator |
| 04/11/2002 | WO2001090312A9 Ammonia-oxidizing bacteria |
| 04/11/2002 | WO2001064588A3 Process and apparatus for treating waste water and device for controlling the apparatus |
| 04/11/2002 | WO2000026162A9 Treatment of fluids with electromagnetic radiation |
| 04/11/2002 | US20020042450 Absorption using anionic polymer |
| 04/11/2002 | US20020041936 For recovery of metals such as uranium, vanadium, cobalt and titanium from seawater |
| 04/11/2002 | US20020040878 Erosion feeder atmosphere stabilizer and method |
| 04/11/2002 | US20020040877 Process for removing cyclic acetals from wastewater streams |
| 04/11/2002 | US20020040876 Apparatus for purifying spas/jetted tubs |
| 04/11/2002 | US20020040875 Ozonation process |
| 04/11/2002 | US20020040874 Fluid treatment device and process for treating fluid |
| 04/11/2002 | US20020040871 Apparatus and method for wastewater treatment with enhanced solids reduction (ESR) |
| 04/11/2002 | US20020040867 Continuous water cycle water treatment apparatus |
| 04/11/2002 | US20020040855 Water pollution control |
| 04/11/2002 | DE10049925A1 Device for increasing free energy field density of layered accumulators comprises electrical conductor enclosed by two electrodes which are electrically insulated by non-conductor arranged between them |
| 04/11/2002 | DE10048002A1 Verfahren zur Herstellung von Getränken sowie Getränk Process for the preparation of beverages and beverage |
| 04/11/2002 | DE10047997A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide bound with metal oxides and/or (oxy)hydroxides |
| 04/11/2002 | DE10047996A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide embedded in iron hydroxide matrix |
| 04/11/2002 | DE10046739A1 Filter element used for purifying water comprises hollow ceramic bodies forming a flow channel having an inner activated charcoal layer |
| 04/11/2002 | CA2599557A1 In situ immobilization within density variant bodies of water |
| 04/11/2002 | CA2425147A1 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
| 04/11/2002 | CA2424390A1 Auxiliary channel masking in an audio signal |
| 04/10/2002 | EP1195357A1 Water filter treatment device with jug and heating element |
| 04/10/2002 | EP1195354A2 Process for the separation of arsenic compounds from the distillation bottoms fraction of the hydrogen fluoride production |
| 04/10/2002 | EP1195199A1 Use of monodispersed ion exchangers for removing arsenic and antimony |
| 04/10/2002 | EP1195189A1 Apparatus and method for controlling resistivity of ultra pure water |
| 04/10/2002 | EP1194774A1 Water sampling with analyte extraction and integration |
| 04/10/2002 | EP1194691A1 Piston pump, method and installation for filtering water |
| 04/10/2002 | EP1194382A1 Method, device and use of said method for biological elimination of metal elements present in an ionized state in water |
| 04/10/2002 | EP1194381A1 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater |
| 04/10/2002 | EP1194371A1 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 04/10/2002 | EP1194238A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 04/10/2002 | EP1097368A4 Detection and removal of copper from wastewater streams from semiconductor and printed circuit board processing |
| 04/10/2002 | EP1084082B1 Method for cleaning waste water from the production of agar-agar |
| 04/10/2002 | EP1027290B1 Method for physico-chemical treatment of water and plant for implementing same |
| 04/10/2002 | EP0989960B1 Installation for producing ozonized water |
| 04/10/2002 | EP0857082B1 A manufacturing method of granulated complex molecular sieve composition having multifunctions |
| 04/10/2002 | CN2485322Y Automatic impeller washing machine with water softening device |
| 04/10/2002 | CN2485301Y Gas and water mixer for ozone water disinfector |
| 04/10/2002 | CN2485300Y Sea water desalinationer |
| 04/10/2002 | CN2485299Y Moderate water treating apparatus |
| 04/10/2002 | CN2485298Y Electronic water processor |
| 04/10/2002 | CN2485297Y Electrode bar for electronic water processor |
| 04/10/2002 | CN2485296Y Electronic water processor |
| 04/10/2002 | CN2485295Y Multifunctional dynamic nanoscale water device |
| 04/10/2002 | CN2485294Y Industrial water circulator without discharge |
| 04/10/2002 | CN2485293Y Hollow fiber ultrafiltering membrane elements with pressure housing |
| 04/10/2002 | CN2485292Y Household water purifier |
| 04/10/2002 | CN2485291Y Seawater desalinationer |
| 04/10/2002 | CN1344230A Process for removal of suspended and other material from waste water |
| 04/10/2002 | CN1344229A Water purification process |
| 04/10/2002 | CN1344089A Sewage management system |
| 04/10/2002 | CN1343633A Mineralizing material for purified water |
| 04/10/2002 | CN1343632A Multi-kernel high-molecular inorganic flocculant |
| 04/10/2002 | CN1343631A Cleaner for industrial sewage |
| 04/10/2002 | CN1343630A Activatinjg method of water and appts. thereof |
| 04/10/2002 | CN1343629A Process and equipment for separating oil from water and collecting oil |