| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/07/2004 | EP1377523A1 Apparatus and method for removing hydrogen peroxide from spent pickle liquor |
| 01/07/2004 | EP1377356A1 Processes for manufacturing particles coated with activated lignosulfonate |
| 01/07/2004 | EP0937193B1 Method of remediation of contaminants in porous media through minimization of buoyancy effects |
| 01/07/2004 | CN2597470Y Equipment for treating water extracted from oil field |
| 01/07/2004 | CN2597469Y Efficient ozone disinfectant generator device |
| 01/07/2004 | CN2597468Y Integrated device for treating electroplating waste water |
| 01/07/2004 | CN2597467Y Nano microporous diatomite device for treating water |
| 01/07/2004 | CN2597466Y Special mineral substance magnetizing mated device for electric rice pot |
| 01/07/2004 | CN2597465Y 离子发生器 Ionizer |
| 01/07/2004 | CN2597464Y 纤维球过滤器压紧装置 Fiber ball filter clamping device |
| 01/07/2004 | CN2597463Y Top filling flat valve auto-water softening device |
| 01/07/2004 | CN2597462Y High-speed rotational flow precipitation filter |
| 01/07/2004 | CN2597461Y Ultrasonic vibration magnetizing appliance for liquid |
| 01/07/2004 | CN2597460Y Domestic water saver |
| 01/07/2004 | CN2597459Y Hot water deaerator capable of removing mud and sand |
| 01/07/2004 | CN2597458Y Jet sewage treater |
| 01/07/2004 | CN2597457Y Kitchen waste water treater |
| 01/07/2004 | CN2597456Y Microwave energy water treatment machine set |
| 01/07/2004 | CN1466552A 水处理方法 Water treatment method |
| 01/07/2004 | CN1466551A Biocidal composition |
| 01/07/2004 | CN1466550A Adsorption container and iron oxide adsorber |
| 01/07/2004 | CN1466549A Contacting and adsorbent granules |
| 01/07/2004 | CN1466548A Contacting and adsorbent granules |
| 01/07/2004 | CN1466547A Contacting and adsorbent granules |
| 01/07/2004 | CN1466482A Membrane filter unit and method for filtration |
| 01/07/2004 | CN1465803A Purifying system for rinsing water of washing machine and rinsing control method |
| 01/07/2004 | CN1465652A Agent for improving coastal seabed soil and water quality |
| 01/07/2004 | CN1465534A AL based control system and method for treating waste water by means of a neural network and a back-prpagation algorithm |
| 01/07/2004 | CN1465533A Multicomponent compound agent for waste water treatment in textile printing and finishing and treatment process thereof |
| 01/07/2004 | CN1465532A Electric field oxidation treatment method for organic toxcity contained waste water |
| 01/07/2004 | CN1465531A Electroosmosis and electrolysis purifying method for drinking-water |
| 01/07/2004 | CN1465530A Digital waste water treatment machine |
| 01/07/2004 | CN1133597C Method for removing micropollutant nitrate and nitrite from drinking water |
| 01/07/2004 | CN1133596C Nutritive water contaniing more trace elements and its preparing process |
| 01/07/2004 | CN1133595C Antibacterial haydite and its preparing process |
| 01/07/2004 | CN1133594C Method and apparatus for electrocoagulation of liquids |
| 01/07/2004 | CN1133593C Electric ally caltalytic contact oxidizing technology |
| 01/07/2004 | CN1133592C Multi-stage electric capacitance deionizer |
| 01/07/2004 | CN1133591C Membrane separation process of treating soybean processing waste water |
| 01/07/2004 | CN1133590C Dual-chamber 'fluidized bed in whole chamber' processfor desalination |
| 01/07/2004 | CN1133589C Double chamber bed with floating chamber and full chamber |
| 01/07/2004 | CN1133588C Stepped regeneration process of sulfuric acid after water desalting treatment |
| 01/07/2004 | CN1133587C Process for removing contaminant metal ions from liquid streams |
| 01/07/2004 | CN1133511C Raw refuse decomposing and disposaling apparatus |
| 01/06/2004 | US6674084 Power supply is partly immersed in the fluid being treated; ultraviolet light radiation systems in water disinfection |
| 01/06/2004 | US6674055 Electromagnetic water heater |
| 01/06/2004 | US6673321 Apparatus and process for extracting and recovering metals from aqueous solutions |
| 01/06/2004 | US6673251 Water treatment method |
| 01/06/2004 | US6673250 Used to monitor various functional and operational aspects of the electromagnetic radiation emitting assembly and a filter assembly used in the fluid treatment system. |
| 01/06/2004 | US6673249 Efficiency water desalination/purification |
| 01/06/2004 | US6673248 Apparatus and method of purifying water with ozone |
| 01/06/2004 | US6673247 Adding alkaline material to the liquid waste sludge, mixing flocculent, feeding to a screw press that simultaneously heats and dewaters the sludge |
| 01/06/2004 | US6673246 Reusable polysilsesquioxane adsorbents for pollutants |
| 01/06/2004 | US6673245 With use of lignosulfonates (lignin derivatives) as surfactants |
| 01/06/2004 | US6673244 Magnetic sludge suitable for use in wastewater treatment, method for preparing the same and method for wastewater treatment |
| 01/06/2004 | US6673229 Electrochemical cell comprising catalyst for promoting reaction creating hydroxyl radical, catalyst being immobilized in solid located at cathode, solid being arranged such that fluid to be purified can contact catalyst |
| 01/06/2004 | US6673217 E-water machine |
| 01/06/2004 | US6673213 Method and apparatus for the thermo-solar distillation and transportation of water from a water table |
| 01/06/2004 | US6673208 Polysilicate microgels and silica-based materials |
| 01/06/2004 | US6672251 Method for drying slurry, rinse water and industrial effluent and/or residues |
| 01/06/2004 | CA2345294C Cleaning and passivating water distribution systems |
| 01/06/2004 | CA2191400C Water filter |
| 01/03/2004 | CA2433642A1 Water purifier using ultraviolet radiation |
| 01/02/2004 | EP1376276A1 An AI based control system and method for treating sewage/waste water by means of a neural network and a back-propagation algorithm |
| 01/02/2004 | EP1375728A1 Electric washing machine |
| 01/02/2004 | EP1375634A1 Aqueous disinfecting compositions with rapid bactericidal effect |
| 01/02/2004 | EP1375439A1 Liquid treatment method and apparatus |
| 01/02/2004 | EP1375438A2 Process for decomposing a substance collected from polluted soil and apparatus therefor |
| 01/02/2004 | EP1375434A1 Method and device for manufacturing advanced water containing ultra-fine gold particles |
| 01/02/2004 | EP1375433A1 Process for fluid demineralization, and demineralizing device operating with such a process |
| 01/02/2004 | EP1375432A1 Method and device for decomposing environmental pollutants |
| 01/02/2004 | EP1374824A1 Part of a warm water containing pipe system |
| 01/02/2004 | EP1374648A1 Ballast device for uv emitter and method and device for disinfection of water |
| 01/02/2004 | EP1373149A1 Composition that can be used for conditioning sludge |
| 01/02/2004 | EP1373147A1 Method and device for the anaerobic purification of a slurry containing organic constituents |
| 01/02/2004 | EP1373145A2 Method and measuring device for automatically determining the concentration factor of conditioned sewage sludge |
| 01/02/2004 | EP1373144A1 Mechanical oxygen scavenger device |
| 01/02/2004 | EP1373143A1 An apparatus and a method for the disinfection of water for water consumption units designed for health or dental care purposes |
| 01/02/2004 | EP1373135A2 Stabilised hypobromous acid solutions |
| 01/02/2004 | EP1372834A1 A device for treatment of a fluid |
| 01/02/2004 | EP1372832A1 Flexible and porous membranes and adsorbents, and method for the production thereof |
| 01/02/2004 | EP1372828A2 Biochips including ion transport detecting structures and methods of use |
| 01/02/2004 | EP1372399A1 Methods of using hop acids to control microorganisms |
| 01/02/2004 | EP1372397A1 Control of pseudomonas ruginosa |
| 01/02/2004 | EP1272433B1 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants |
| 01/02/2004 | EP1223810A4 Bio-supportive matrices, methods of making and using the same |
| 01/02/2004 | EP1208304B1 Double cone for generation of a pressure difference |
| 01/02/2004 | EP1062391B1 Separating grid |
| 01/01/2004 | US20040002822 Monitoring system with thermal probe for detection of layers in stratified media |
| 01/01/2004 | US20040002433 Single dosage oxidizing treatment |
| 01/01/2004 | US20040001984 Fuel cell cooling system for low coolant flow rate |
| 01/01/2004 | US20040000524 Device and method of use for aldehyde removal |
| 01/01/2004 | US20040000520 Using solvent soluble sulfite reducing agent |
| 01/01/2004 | US20040000518 Wastewater trickle tower(s) controlling and grooming cross-reference to related application |
| 01/01/2004 | US20040000329 Compositions and methods for paint overspray removal processes |
| 01/01/2004 | US20040000234 System and method for reducing the chemical reactivity of water and other chemicals used in the fabrication of integrated circuits |
| 12/31/2003 | WO2004000737A1 Apparatus and methods for purifying a waste influent material |
| 12/31/2003 | WO2004000736A2 Process and compositions for the purification of water |
| 12/31/2003 | WO2004000735A1 Fluid treatment system and radiation source module for use therein |
| 12/31/2003 | WO2004000734A1 Process for the recovery of fluorine-containing emulsifiers |