| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/06/2005 | EP1519899A1 Filter appliance and inner container for a filter appliance |
| 04/06/2005 | EP1519897A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof |
| 04/06/2005 | EP1519779A1 Dual porosity filter |
| 04/06/2005 | EP1519649A1 Water distributor device for aquariums, ponds and the like provided with a possible biological filter |
| 04/06/2005 | EP1210296B1 Fluid treatment system and cleaning apparatus therefor |
| 04/06/2005 | EP1198423A4 Reclamation of materials in a closed environment with remedial water |
| 04/06/2005 | EP1140330B1 Water filtration using immersed membranes |
| 04/06/2005 | EP1128899B1 Membrane pre-treatment process |
| 04/06/2005 | EP1028845B1 System for extracting soluble heavy metals from liquid solutions |
| 04/06/2005 | EP1011839B1 Method for adsorbing organophosphorus compounds contained in a liquid |
| 04/06/2005 | CN2690389Y Descaling and anti-scaling device |
| 04/06/2005 | CN2690381Y Ozone purifier |
| 04/06/2005 | CN2690380Y Regeneration device for electrolytic cation and anion exchanging waste water |
| 04/06/2005 | CN2690379Y Water quality filter tube |
| 04/06/2005 | CN2690378Y Health drinking water device integrating sterilizing, filtering mineralizing and magnetizing into one unit |
| 04/06/2005 | CN2690377Y Improced siphon type water purifier |
| 04/06/2005 | CN2690376Y Water force flushing type slag water processor for sugar making factory, tamato sauce factory |
| 04/06/2005 | CN2690021Y Distilled water generator |
| 04/06/2005 | CN2689687Y Biochemical flow passing circulation device needing no water changing |
| 04/06/2005 | CN1604985A Faucet water treatment |
| 04/06/2005 | CN1604984A Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 04/06/2005 | CN1604899A Hydroxycucurbituril derivatives, their preparation methods and uses |
| 04/06/2005 | CN1604882A Recycle for supercritical carbon dioxide |
| 04/06/2005 | CN1604873A Device and method for distillation |
| 04/06/2005 | CN1604811A Central carbon dioxide purifier |
| 04/06/2005 | CN1604801A Medical system, method and apparatus employing mems |
| 04/06/2005 | CN1603571A Oil well washing method and vehicle-carried oil well washing apparatus |
| 04/06/2005 | CN1603514A Cleaner production of paper by straw and lignin modification process |
| 04/06/2005 | CN1603257A Method for preparing chemical active sludge and processing domestic sewage using the same |
| 04/06/2005 | CN1603256A Method for activating precipitated sludge and reinforced processing domestic sewage using the same |
| 04/06/2005 | CN1603255A Trench type sewage ecological engineering processing and reclamation technique |
| 04/06/2005 | CN1603249A Heavy metal precipitating agent |
| 04/06/2005 | CN1603248A Biological denitrification method for ammonium-nitrogen containing waste water and microbes thereof |
| 04/06/2005 | CN1603247A Electric waterless treatment of human excrement and public lavatory used diving pump urine pumping feces flushing engineering |
| 04/06/2005 | CN1603246A Water treatment apparatus that can reduce water treatment time |
| 04/06/2005 | CN1603245A Electroplating wastewater on-line retracting device for realizing clean production |
| 04/06/2005 | CN1603244A Preparation method of sludge adsorbent and method for intensified processing domestic sewage using the same |
| 04/06/2005 | CN1603243A Process modification of normal temperature-filtration type deaerator and gas water backwashing method |
| 04/06/2005 | CN1603242A Small micelle drinking water liquid sonic energy preparing apparatus |
| 04/06/2005 | CN1603241A Method for automatic allocating side filter for recirculated cooling water |
| 04/06/2005 | CN1602667A Micro irrigation device and its irrigation system |
| 04/06/2005 | CN1196178C Method for object treatment |
| 04/06/2005 | CN1195879C Method of recovering metal from metal-containing sludge |
| 04/06/2005 | CN1195870C Measurement and control of sessile and planktonic microbiological activity in industrial water system |
| 04/06/2005 | CN1195687C Water cleaning filling device for cleaning empty polyester bottle |
| 04/06/2005 | CN1195686C Method and apparatus for treatment of biological suspensions |
| 04/06/2005 | CN1195685C Water treatment apparatus |
| 04/06/2005 | CN1195575C Film assembly cleaned mechanically |
| 04/06/2005 | CN1195410C Protist-killing agent |
| 04/05/2005 | US6875988 Germicidal lamp and purification system having turbulent flow |
| 04/05/2005 | US6875902 Radiating aqueous mixture containing photocatalyst with light in presence of oxygen source |
| 04/05/2005 | US6875508 Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber |
| 04/05/2005 | US6875363 Mixing with oxizier; filtration; exposure to radiation; wtaer pollution control |
| 04/05/2005 | US6875362 Denitrification, dephosphorization; electrochemical process |
| 04/05/2005 | US6875361 Can efficiently purify water without using a special drug or purifying facility; simplified structure to be easily put in a purifying place such as an aquarium, pond and factory by using an electrolytic analysis of a Volta cell |
| 04/05/2005 | US6875360 Using magnetic pulses of ultrasonic frequency |
| 04/05/2005 | US6875359 Developer waste liquid regenerating apparatus and method |
| 04/05/2005 | US6875358 Water cleaning process |
| 04/05/2005 | US6875350 Chitosan enhanced dewatering bag |
| 04/05/2005 | US6875347 Fluid treatment system apparatus and method |
| 04/05/2005 | US6875331 Anode isolation by diffusion differentials |
| 04/05/2005 | US6875287 Choosing rinse recipe for wet bench, activating wet bench and detecting waste water quality of waste water produced for rinse recipe to generate water quality data for a plurality of reclamation switch time levels, ascertaining best switch time |
| 04/05/2005 | US6874700 Contamination control method and apparatus, and air-conditioning system of a substrate processing facility employing the same |
| 04/05/2005 | CA2414544C Fibre optic ultra violet water treatment |
| 04/05/2005 | CA2282403C Modular filtration systems and methods |
| 04/05/2005 | CA2188518C Hydrophobically modified polymers for sludge dewatering |
| 04/05/2005 | CA2174847C Method and apparatus for recovering water from a sewer main |
| 04/02/2005 | CA2443267A1 Spinning disc aerator |
| 03/31/2005 | WO2005028380A1 Activated sludge process and apparatus with high biomass concentration using a downflow sludge blanket filtration |
| 03/31/2005 | WO2005028379A1 Method and apparatus for treating drain water from step of washing fly ash with water |
| 03/31/2005 | WO2005028378A1 Removal of microorganisms and disinfection byproduct precursors using elemental iron or aluminum |
| 03/31/2005 | WO2005028377A1 Wastewater purification method |
| 03/31/2005 | WO2005028376A1 System and method for removing arsenite and arsenate from water |
| 03/31/2005 | WO2005028375A1 Method and device for the comminution of particulate organic substances in suspensions of microorganisms |
| 03/31/2005 | WO2005028374A2 Filtration method |
| 03/31/2005 | WO2005028373A2 Single vessel multi-zone wastewater bio-treatment system |
| 03/31/2005 | WO2005028133A1 Decontaminating agent for, contaminated with hexavalent chromium, soil/groundwater and bottom sediment, and method of decontamination therewith |
| 03/31/2005 | WO2005028089A1 A dechlorination water filter |
| 03/31/2005 | WO2005028065A2 Method and plant for work up of aqueous organic emulsions |
| 03/31/2005 | WO2005027849A2 Rouge free pharmaceutical water for injection (wfi) water system |
| 03/31/2005 | WO2004110598A3 Pump having an additional fluid supply |
| 03/31/2005 | WO2004085040A3 Preferential precipitation membrane system and method |
| 03/31/2005 | US20050070752 Method for treating cyanide waste liquid |
| 03/31/2005 | US20050070677 Cobalt imprinted polymer composition for selective removal of cobalt, process for preparation thereof, and process for removal of cobalt |
| 03/31/2005 | US20050070676 Cobalt imprinted polymer composition for selective removal of cobalt, process for preparation thereof, and process for removal of cobalt |
| 03/31/2005 | US20050070193 chemically inert; porous surface of a ceramic-coated composite enhances abrasion resistance of subsequently applied paints or protective coatings; useful as separators for batteries or as a microfiltration membrane. |
| 03/31/2005 | US20050069463 air disinfection modules for HVAC ducts comprising housings arranged in lateral spaced relationship on adjustable supports, having ultraviolet radiation source communicating with and projecting towards the opposing housing and power sources for supplying electricity to said ultraviolet radiation source |
| 03/31/2005 | US20050069386 Golf course green storm water filter |
| 03/31/2005 | US20050067356 Injecting first oxidant into aquifer at an injection point to create a volume of influence of first oxidant in aquifer thereby treating contaminants contained within the volume of influence; and injecting compressed gas into aquifer to increase size of volume of influence |
| 03/31/2005 | US20050067355 Sludge concentrating method and device |
| 03/31/2005 | US20050067353 Molecular motility device |
| 03/31/2005 | US20050067352 Solar desalination or distillation apparatus |
| 03/31/2005 | US20050067348 Waste water treatment; adjust pH; drying mixture; adjust solid concentration; pasteurization |
| 03/31/2005 | US20050067347 Pretreating (ozonization; adsorption on biodegradable support) then submitting to action of white-rot fungi, hydrolase, cellulase, and ligninase |
| 03/31/2005 | US20050067346 Flexible and porous membranes and adsorbents, and method for the production thereof |
| 03/31/2005 | US20050067341 Continuous production membrane water treatment plant and method for operating same |
| 03/31/2005 | US20050067340 Filter module |
| 03/31/2005 | US20050067300 Electrolysis device for treating a reservoir of water |
| 03/31/2005 | US20050067275 Water treatment apparatus that can reduce water treatment time |
| 03/31/2005 | US20050067271 desalination of brines by providing blackened surface in contact with a body of water so as to heat air and evaporate water, then flowing the heated air and water vapor upward through venturi wind shafts creating adiabatic pressure variances, allowing condensation and drainage of desalinized water |