Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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11/27/2003 | WO2003038685A3 Method for monitoring a public water treatment system |
11/27/2003 | WO2003022868A3 Metal binding proteins and associated methods |
11/27/2003 | WO2002066384A8 Device for chemically/physically treating drinking water |
11/27/2003 | US20030220195 Activated carbon adsorbent having pores with metal ions loaded onto it, use for purification, and neutralizing blood poison biological agents, detoxification |
11/27/2003 | US20030220033 For recovering uranium, vanadium, cobalt and titanium |
11/27/2003 | US20030218136 Ultraviolet water treatment apparatus |
11/27/2003 | US20030217979 Oxidative evaporation process and apparatus |
11/27/2003 | US20030217978 Using pulsed laser; removal impurity particles; wtaer pollution control |
11/27/2003 | US20030217977 Recycled irrigation water treatment system |
11/27/2003 | US20030217968 Biological method of phosphorus removal and biological phosphorus-removing apparatus |
11/27/2003 | US20030217967 Processes for manufacturing water filter materials and water filters |
11/27/2003 | US20030217963 Water filter materials and water filters and processes for using the same |
11/27/2003 | US20030217959 Low spillage replaceable water filter assembly |
11/27/2003 | US20030217958 Quick change filter and bracket system with key system and universal key option |
11/27/2003 | DE20303047U1 Hot water boiler has thermostat to control heater and bypass to recirculate cold outlet water to top of tank |
11/27/2003 | CA2484689A1 Mineral fortification systems for adding minerals to bottled, potable liquids |
11/27/2003 | CA2454520A1 Electrical deionization apparatus |
11/27/2003 | CA2387528A1 Decontamination of heterogeneous solid materials |
11/26/2003 | EP1364915A1 A biological method of phosphorus removal and biological phosphorus-removing apparatus |
11/26/2003 | EP1364914A1 Method and system for treating nitrogen-containing compound |
11/26/2003 | EP1364709A2 Electrodeionization deionized water producing apparatus |
11/26/2003 | EP1364703A1 Active structure, apparatus for activating substance, and method of activating substance |
11/26/2003 | EP1364694A1 Process and apparatus to form grease deposit |
11/26/2003 | EP1364001A2 Methods and compositions for waste treatment |
11/26/2003 | EP1363963A1 Anti-microbial and oxidative co-polymer |
11/26/2003 | EP1363957A1 Cationic latex terpolymers for sludge dewatering |
11/26/2003 | EP1363858A1 Device for chemically/physically treating drinking water |
11/26/2003 | EP1363857A2 Methods and apparatus for biological treatment of waste waters |
11/26/2003 | EP1363856A2 Method of boron removal in presence of magnesium ions |
11/26/2003 | EP1363855A1 Method and device for treating liquids |
11/26/2003 | EP1363717A1 Filter |
11/26/2003 | EP1284932B1 Method for treating an effluent containing in particular nitrogen and/or phosphorus and/or organic matter and/or heavy metals |
11/26/2003 | EP1239943B1 Improved membrane filtration |
11/26/2003 | EP1226094B1 Device for electrolysis |
11/26/2003 | EP1198618B1 Post-passivation of a phosphatized metal surface |
11/26/2003 | EP1019324B1 Method and device for sewage clarification |
11/26/2003 | CN2587856Y Three-stage mixed vortex flouulation reaction kettle |
11/26/2003 | CN2587855Y Water purifier by water electrode soundless discharging atomizing |
11/26/2003 | CN2587854Y Electronic water treatment instrument with reverse washing filtering |
11/26/2003 | CN2587853Y Apparatus for circular utilizing concentrated water in purified water production |
11/26/2003 | CN2587852Y Super filtering apparatus for automatic sewage treatment |
11/26/2003 | CN2587851Y Deliling and demulsifying machine for sewage |
11/26/2003 | CN2587850Y Ultraviolet ray fluid sterilizing system |
11/26/2003 | CN2587849Y Sound-light alarm of water cut off protection for electric heating water distiller |
11/26/2003 | CN2587848Y Fluorine-removing water-purifying equipment with membrane technology water treatment |
11/26/2003 | CN2587847Y Strip and clean free quality graded water supply purifying switching device |
11/26/2003 | CN1458907A Treatment of iron sulphide deposits |
11/26/2003 | CN1458860A Composite semipermeable membrane, method for preparing same and method for water treatment using same |
11/26/2003 | CN1458859A Method for producing hollow yarn film |
11/26/2003 | CN1458857A Flow control module for RO water treatment system |
11/26/2003 | CN1458088A Short flow path and high efficiency city wast water treating process ad its special diatomaceous earth waste water treating agent |
11/26/2003 | CN1458085A Environment protection high efficiency water scale cleaning agent |
11/26/2003 | CN1458083A Method for increasing waste water treating efficiency by improving activity of sulfate reducing bacteria |
11/26/2003 | CN1458081A Automatic ozone water generating machine and method |
11/26/2003 | CN1458080A Method for producing deep sea drinking water and deep sea additive using deep sea water |
11/26/2003 | CN1458079A Process for producing fluorine-removing agent |
11/26/2003 | CN1458078A Water purifying agent for pond and its water parifying method |
11/26/2003 | CN1458077A Method for producing waste water treating agent using waste battery as raw material |
11/26/2003 | CN1458076A Coagulating and dewatering treatment method for waste drilling fluid |
11/26/2003 | CN1458075A Process for treating low COD waste water by electric catalystic oxidation technology |
11/26/2003 | CN1458074A Waste water treating process for polymer oil displacing and producing system |
11/26/2003 | CN1458073A Process for treating and reutilizing bank-note gravure printing waste water |
11/26/2003 | CN1458072A Crosslinking process for adsorption of dye with spherical chitosan bead |
11/26/2003 | CN1458071A Circular purifier for household life waste water |
11/26/2003 | CN1458070A Medical and health cleaning liquid series |
11/26/2003 | CN1457917A Filtering method for colloidal solution |
11/26/2003 | CN1128865C Process for recovering wax in wax printing production |
11/26/2003 | CN1128807C Novel triazine-based detoxification agents and their use |
11/26/2003 | CN1128764C Corrosion-retarding compound scaling inhibitor for treating middle-or high-hardness circulating water |
11/26/2003 | CN1128763C Treatment and application method of sewage generated by leaching anode calcine fume of aluminium |
11/26/2003 | CN1128762C Cleaning method for purities in oil field sewage and sewage treating device |
11/26/2003 | CN1128678C Selective separation of iron by treatment with long-exchanging resin comprising diphosphonic acid group |
11/26/2003 | CN1128657C Method for reducing scaling in electrodeionization system |
11/26/2003 | CN1128649C Condensing precipitator |
11/26/2003 | CN1128577C Polymer-type amphoteric disinfectant and its preparing process |
11/25/2003 | US6652893 Machine and process for aerating and flavoring water |
11/25/2003 | US6652889 Concentrated aqueous bromine solutions and their preparation and use |
11/25/2003 | US6652871 Delivery system and method of making article |
11/25/2003 | US6652816 Independently or simultaneously generated according to an using purpose to be supplied to an indoor space or be dissolved in various kinds of raw water |
11/25/2003 | US6652761 Passing wash-water through an microfiltration unit equipped with a microfiltration membrane made of polytetrafluorethylene-based material, wherein a permeate is obtained, and wash-water free of carbon particles |
11/25/2003 | US6652759 Method of treating waste water and apparatus for treating waste water using the method |
11/25/2003 | US6652758 Chemical destruction of ammonia with an oxidizing agent, followed by treatment with calcium salts to precipitate calcium fluoride, and filtration |
11/25/2003 | US6652757 Water pollution control |
11/25/2003 | US6652756 Precipitation of phosphates; addition of iron or aluminum salt through toilet flushing |
11/25/2003 | US6652751 Intrinsically bacteriostatic membranes and systems for water purification |
11/25/2003 | US6652750 Externally mounted bilge water filter and methods therefor |
11/25/2003 | US6652747 Device and a method for the treatment of tap water and drinking water |
11/25/2003 | US6652741 Piston pump, method and installation for filtering water |
11/25/2003 | US6652733 For removing impurities electrochemically from liquids such as water; includes series of plateshaped reaction electrodes electrically insulated against each other, having corrugated surfaces to enhance the electrochemical effect; adaptable |
11/25/2003 | US6652719 Electrolysis system |
11/25/2003 | US6652715 High voltage electrostatic field for treatment of flowing liquids |
11/25/2003 | US6652623 Method and kit for working up a gold bath |
11/25/2003 | US6652603 Process for removing sodium sulfate from nickel hydroxide effluent streams |
11/25/2003 | US6651914 Physical inactivation of parasites |
11/25/2003 | US6651824 Filter pitcher with ice hopper |
11/25/2003 | US6651690 Chemical delivery system for air conditioning drainage pipes |
11/20/2003 | WO2003096767A1 A plasma formed in a fluid |
11/20/2003 | WO2003095952A1 Apparatus for mixing and/or testing small volumes of fluids |
11/20/2003 | WO2003095802A1 Combined desalt-hydroelectric power plant |
11/20/2003 | WO2003095704A1 Descaling method and descaling apparatus |