| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/23/2003 | CA2448512A1 Electrode compositions and configurations for electrochemical bioreactor systems |
| 01/23/2003 | CA2417096A1 Water treatment device |
| 01/22/2003 | EP1277705A1 Apparatus for purifying municipal or industrial wastewaters |
| 01/22/2003 | EP1277509A2 Device for separating fluid mixtures |
| 01/22/2003 | EP1277019A1 Torsion generator |
| 01/22/2003 | EP1276699A1 Method and device for reducing scale formation and/or corrosion in systems which conduct liquids |
| 01/22/2003 | EP1276698A1 Filter for purifying domestic drinking water |
| 01/22/2003 | EP1276697A2 Treatment of fluids |
| 01/22/2003 | EP1230000A4 Method and product for cleaning hollow fiber material and filter |
| 01/22/2003 | EP1137599B1 Method for controlling the dosed quantities of water-treatment products |
| 01/22/2003 | EP1133448B1 Method for determining the dosages of water treatment products |
| 01/22/2003 | EP1051510A4 A rapid method for the assessment of the inhibition and kill of anaerobic bacteria by toxic compounds |
| 01/22/2003 | EP1015388B1 Method for inhibiting biogenic sulfide generation |
| 01/22/2003 | EP0998429B1 Coagulator |
| 01/22/2003 | EP0677090B1 Ink composition and method of making, using and recovering such composition |
| 01/22/2003 | CN2532074Y Automatized acid and alkali ratio regulation equipment |
| 01/22/2003 | CN2532073Y Improved electrode bar for electrostatic water treatment |
| 01/22/2003 | CN2532072Y High-voltage electrostatic water treatment device |
| 01/22/2003 | CN2532071Y Improved internal electrolysis bed ferros padding |
| 01/22/2003 | CN2532070Y Improved internal electrolysis ferros bed water treatment device |
| 01/22/2003 | CN2532069Y Fibre fabric block filter |
| 01/22/2003 | CN2532068Y Oil separated and removed purifier for oil contained sewage |
| 01/22/2003 | CN2532067Y Dehydrogenation and denitrification device for waste water |
| 01/22/2003 | CN2532066Y Two-purpose settle pound for sewage treatment |
| 01/22/2003 | CN2532065Y Automatic uniform filling device for slow-released water treating agent |
| 01/22/2003 | CN2531878Y Internal medicine feederfor centrifuger |
| 01/22/2003 | CN1392865A Method and apparatus for clarification of water |
| 01/22/2003 | CN1392800A Flocculants for oil-water separation and method for oil-water separation by flocculation |
| 01/22/2003 | CN1392107A Process for recovering noble metal from noble metal microparticle dispersive liquid |
| 01/22/2003 | CN1392106A Process for producing waste water treating agent by using diatomite |
| 01/22/2003 | CN1392105A Light catalytic reactor for contaminant degradation |
| 01/22/2003 | CN1392104A Multifunctional combined energy saving water area resource environment protection device |
| 01/22/2003 | CN1391998A Improved sulfur-containing slag treatment system |
| 01/22/2003 | CN1099385C Group type integrated water purifying equipment |
| 01/22/2003 | CN1099382C Waste water treatment method and device |
| 01/22/2003 | CN1099381C Wet oxidizing process of waste soda |
| 01/22/2003 | CN1099380C Large-aperture electric field water treater |
| 01/22/2003 | CN1099379C Electrolysis apparatus and method of chloride ion-containing flowing water |
| 01/22/2003 | CN1099378C Method for treatment of waste liquid containing phosphorus ions |
| 01/22/2003 | CN1099377C Treatment method for waste water containing phosphoric acid ion |
| 01/22/2003 | CN1099376C Container for replacing water treatment material, purifier, and water purifier |
| 01/21/2003 | US6510368 Performance-based control system |
| 01/21/2003 | US6508941 Photocatalytic process |
| 01/21/2003 | US6508940 Process for recovering onium hydroxides from solutions containing onium compounds |
| 01/21/2003 | US6508937 Reverse osmosis membrane, removing residual chlorine, |
| 01/21/2003 | US6508936 Process for desalination of saline water, especially water, having increased product yield and quality |
| 01/21/2003 | US6508929 Water treatment apparatus and method |
| 01/21/2003 | US6508928 Recovery of metal from solution |
| 01/21/2003 | US6508915 Solution containing nitric acid; absorbing the nitric acid mist contained in the condensed gas; sulfuric acid; semiconductors |
| 01/21/2003 | US6508695 Polishing a semiconductor wafer, |
| 01/21/2003 | US6508367 Durable, flexible, long-lasting photocatalytic oxidation filter with uniform, strongly-bonded, nonadhesive coating of an oxidation catalyst; pollution control; purification |
| 01/21/2003 | CA2236160C Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide |
| 01/21/2003 | CA2169319C Corrosion protection in concrete sanitary sewers |
| 01/18/2003 | CA2353216A1 Containerized polluted-water treatment apparatus |
| 01/16/2003 | WO2003005129A1 Method for manufacturing photosensitive resin printing plate, and developer treatment device |
| 01/16/2003 | WO2003004592A2 Sorbent and method for surface cleaning from hydrocarbon impurities |
| 01/16/2003 | WO2003004579A1 Fluid purification system |
| 01/16/2003 | WO2003004500A1 Water- and organic-soluble cucurbituril derivatives, their preparation methods, their separation methods and uses |
| 01/16/2003 | WO2003004423A1 Method of anaerobically treating organic material and anaerobic treatment apparatus |
| 01/16/2003 | WO2003004422A1 Heating, ventilation or air conditioning water purifiers |
| 01/16/2003 | WO2003004421A1 Water-treating device |
| 01/16/2003 | WO2003004420A1 Apparatus for inhibiting the growth of algae in water by uv radiation |
| 01/16/2003 | WO2003004419A1 Plant for the treatment of waste waters |
| 01/16/2003 | WO2002098562B1 Photocatalyst coated magnetic composite particles |
| 01/16/2003 | WO2002074448A3 Coatings for modifying hard surfaces and processes for applying the same |
| 01/16/2003 | WO2002060998A3 Rinse aid surface coating compositions for modifying dishware surfaces |
| 01/16/2003 | WO2002043777A3 Appliances having uv disinfection device and method |
| 01/16/2003 | WO2002030828A3 Water treatment assembly |
| 01/16/2003 | WO2001066469A3 System and method for treating a fluid by radiation |
| 01/16/2003 | US20030012849 Creation of flavored still water or improvement of the taste of potable water by removal of hydrogen sulfide and other dissolved gases. |
| 01/16/2003 | US20030012714 Continuous pressure on the reagent bed causes the bed to compact as it erodes when purified water is passed through the housing; ensures complete and even dissolution of the reagents. |
| 01/16/2003 | US20030012605 Glutaraldehyde as a microbiological slime inhibitor in micro-irrigation systems |
| 01/16/2003 | US20030010927 UV radiation device for treating fluids with a simplified radiation chamber |
| 01/16/2003 | US20030010727 Method of controlling contaminant flow into water reservoir |
| 01/16/2003 | US20030010726 Water well filter device and method of filtering air that enters into a water well |
| 01/16/2003 | US20030010724 Waste water aeration apparatus and method |
| 01/16/2003 | US20030010722 Removal of phosphate from water |
| 01/16/2003 | US20030010721 Filtration cartridge faucet assembly contains filtration cartridge having filter core concealed beneath sink deck through use of escutcheon mount; permits access to renewable filtration cartridge from above sink deck |
| 01/16/2003 | US20030010720 Arsenic removal via complex-adsorption media from a water pre-treated with carbon dioxide to lower the pH of the water |
| 01/16/2003 | US20030010719 Devices for sterile-filtering fluid and methods of use |
| 01/16/2003 | US20030010714 Aqueous liquid with dispersed particulate solids is pumped as fluid then allowed to stand and rigidify; rigidification is improved by combining polymeric particles with the material during pumping |
| 01/16/2003 | US20030010713 Wastewater management system |
| 01/16/2003 | US20030010712 Process for biochemical treatment of waste water using nano materials |
| 01/16/2003 | US20030010695 Point-of-use water treatment system |
| 01/16/2003 | US20030010694 Multi-stage filter |
| 01/16/2003 | US20030010693 Green garbage treatment apparatus |
| 01/16/2003 | US20030010691 Underwater filtration operator |
| 01/16/2003 | US20030010690 Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same |
| 01/16/2003 | US20030010686 Apparatus for producing coagulant and water clarification apparatus using the same |
| 01/16/2003 | US20030010639 Device and process for electrodialysis of ultrafiltration premeate of electrocoat paint |
| 01/16/2003 | DE20217478U1 Water softener for water pipes, comprises two permanent magnets embedded in hard plastics and fitted to angle bar with adjustment to accommodate pipe diameter |
| 01/15/2003 | EP1275443A2 Method for the physical and chemical treatment, and the separation of industrial and/or domestic waste |
| 01/15/2003 | EP1275427A2 Multi-stage filter |
| 01/15/2003 | EP1274655A1 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 01/15/2003 | EP1274652A1 Method of clarifying water using low molecular weight cationic dispersion polymers |
| 01/15/2003 | EP1274521A1 Tube scraper |
| 01/15/2003 | EP1206413B1 System and method for treating water circulating in open-circuit cooling systems |
| 01/15/2003 | EP1173387B1 Method and reactor for disinfecting and purifying liquids and gases |
| 01/15/2003 | EP1102621B1 Method for reducing scaling in electrodeionization systems |
| 01/15/2003 | EP1025050B1 Biodegradable complexing agents for heavy metals |