| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/03/2001 | EP1021374A4 Photo-assisted oxidation of inorganic species in aqueous solutions |
| 01/03/2001 | EP0946944A4 Polymer dispersants and methods of use in a nuclear steam generator |
| 01/03/2001 | CN2412896Y Dynamic sewage treatment installation |
| 01/03/2001 | CN2412895Y Vortex water purifier |
| 01/03/2001 | CN2412894Y Domestic electro-dialyzer |
| 01/03/2001 | CN2412893Y Totally-enclosed electrodialysis brackish water desalter |
| 01/03/2001 | CN2412892Y Electric de-ionized water purifier |
| 01/03/2001 | CN2412891Y Drinking fountain without air pollution |
| 01/03/2001 | CN2412890Y Ultrasonic aeration device for treatment of waste water |
| 01/03/2001 | CN2412889Y Health sanitary utensil |
| 01/03/2001 | CN2412888Y Sprinkling seawater desalting device |
| 01/03/2001 | CN2412887Y Device for treatment of water |
| 01/03/2001 | CN2412636Y 便携式净水器 Portable water purifier |
| 01/03/2001 | CN1278997A Non-thermionic ballast-free energy-efficient light-producing gas discharge systhm and method |
| 01/03/2001 | CN1278564A Method and system for recovering and removing copper from fluid |
| 01/03/2001 | CN1278515A Electrically catalytic flocculating waste water treating equipment with polar plate interval keeper |
| 01/03/2001 | CN1278514A New technological process of eliminating organic matter of industrial waste liquid |
| 01/03/2001 | CN1278511A Ionization gas-generation apparatus using high voltage discharge |
| 01/03/2001 | CN1060142C Preparation for high performance decolourizing flocculent |
| 01/02/2001 | US6168721 Process for the treatment of arsenic-containing sludge |
| 01/02/2001 | US6168692 Apparatus for generating alkali ion water |
| 01/02/2001 | US6167951 Heat exchanger and method of purifying and detoxifying water |
| 01/02/2001 | CA2196016C Increasing turbulent mixing in a uv system |
| 12/30/2000 | CA2313176A1 Method of making supersaturated oxygenated liquid |
| 12/28/2000 | WO2000079246A1 Methods and apparatus for disinfecting and sterilizing fluids using ultraviolet radiation |
| 12/28/2000 | WO2000079095A1 Reduction in mineral salt deposition |
| 12/28/2000 | WO2000078973A1 Process for oxidising aromatic compounds |
| 12/28/2000 | WO2000078682A1 Method of decomposing organic compounds in water |
| 12/28/2000 | WO2000078681A2 Point-of-use water treatment system |
| 12/28/2000 | WO2000078680A1 Method and apparatus for purifying water |
| 12/28/2000 | WO2000078679A1 Flotation pile oil/water separator apparatus |
| 12/28/2000 | WO2000078678A2 Fluid treatment system with electromagnetic radiation |
| 12/28/2000 | WO2000078605A1 Method and device for preventing organism growth on sea-cases and seawater systems on ships, offshore platforms, etc. |
| 12/28/2000 | WO2000078449A1 Carbon char for metals-removal |
| 12/28/2000 | WO2000078366A1 Shower head provided with an ultraviolet lamp |
| 12/28/2000 | WO2000078191A1 Device for sterilising aqueous media |
| 12/28/2000 | DE19929461A1 Sub-surface sand washing water discharge head minimises harm to fish and plants, requires little energy and is flexible |
| 12/28/2000 | DE19929212A1 Water desalination plant employs adapted heat medium solution minimising mass liquid flow and corrosion |
| 12/28/2000 | DE19929053A1 Stable, highly active, reusable photocatalyst comprising phthalocyanine or tetraphenyl-porphyrin derivative on ion exchange resin carrier, useful in singlet oxygen oxidations e.g. in waste water treatment |
| 12/28/2000 | DE19928381A1 Waste water purification unit, especially for a car-wash, has a filter which is flushed with ozone- and-or hydrogen peroxide-enriched waste water |
| 12/28/2000 | DE10029146A1 Recycling sulfuric acid solution containing metals, preferably test solutions from determination of chemical oxygen demand, involves redox-controlled separation of silver amalgam with iron and precipitation as hydroxide |
| 12/28/2000 | DE10010644A1 Container of positively-polarised water saddle-mounted upright on cold pipe minimises limescale and has no installation or running costs |
| 12/28/2000 | CA2541462A1 Fluid treatment system |
| 12/28/2000 | CA2377624A1 Reduction in mineral salt deposition |
| 12/28/2000 | CA2375245A1 Method of decomposing organic compounds in water |
| 12/27/2000 | EP1063201A1 Method of removing harmful ions and remover for use in the same |
| 12/27/2000 | EP1062995A1 Reduced-pressure distillation system |
| 12/27/2000 | EP1062989A2 Method for decomposing halogenated aliphatic hydrocarbon compounds having adsorption process and apparatus for decomposition having adsorption means |
| 12/27/2000 | EP1062391A1 Separating grid |
| 12/27/2000 | EP1062349A2 Diisopropyl fluorophosphatase and the utilization and production thereof |
| 12/27/2000 | EP1062183A1 Apparatus for dosing powdered or granulated additives in water works, namely swimming pools |
| 12/27/2000 | EP1062182A1 A method of and an implement for milking animals |
| 12/27/2000 | EP1062026A1 Large tube assemblies for reverse osmosis |
| 12/27/2000 | EP1061972A1 Hemostatic system and components for extracorporeal circuit |
| 12/27/2000 | EP1017629A4 Water evaporation apparatus |
| 12/27/2000 | EP0788397B1 A vessel for filtering liquids, particularly drinking water |
| 12/27/2000 | CN2412011Y Ozone water and oxygen-enriched water generator |
| 12/27/2000 | CN2412010Y Assembly mounting plate of water purifying set |
| 12/27/2000 | CN2412009Y Auto-cleaning filter |
| 12/27/2000 | CN2412008Y Processing appts. for removing water chemical oxygen quantity from oil and gas field |
| 12/27/2000 | CN2411832Y Normal water regenerating appts. |
| 12/27/2000 | CN2411742Y Fully automatic cabinet type pure water sale machine |
| 12/27/2000 | CN2411741Y Water boiling appts. with inverted thermos |
| 12/27/2000 | CN1278235A Water treatment process |
| 12/27/2000 | CN1277942A System for treatment of water or wastewater, and method using such system |
| 12/27/2000 | CN1059879C Technological process for removing SO2 and NH4-N and recovering ammonia from waste water of aginomoto industry |
| 12/27/2000 | CN1059878C Method and apparatus for cleaning electronic parts |
| 12/27/2000 | CN1059877C Jet removing oxygen device |
| 12/26/2000 | US6166097 Method for production of porous material |
| 12/26/2000 | US6165372 Injecting two incompatible chemicals through first and second quills into water stream to be treated while advancing within vessel into which only one opening is available |
| 12/26/2000 | US6165371 Off-shore sewage treating and handling apparatus and method |
| 12/26/2000 | US6165369 Stable suspensions of solids in metal salt solutions for use in water treatment |
| 12/26/2000 | US6165367 Which contains interfering anions such as sulfates, nitrates,and carbonates, by capturing the heavy metal such as uranium with a chelating resin containing amino-phosphonic groups, eluting resin with sequestering agent, regenerating |
| 12/26/2000 | US6165366 Process for removing mercury from industrial and clinical waste water |
| 12/26/2000 | US6165364 Method to solve the swelling sludge problem in waste treatment plants by controlling mycelium bacteria |
| 12/26/2000 | US6165362 Bottle filter cap |
| 12/26/2000 | US6165361 Apparatus for the filtering and separation of flow media with at least one permeate outlet |
| 12/26/2000 | US6165358 Water purifier for a spa |
| 12/26/2000 | US6165343 Process for generating bromine compound |
| 12/26/2000 | US6165339 Use of a very narrow electric field or magnetic field with the length of the narrow field transverse to the flow direction of the liquid to control the molecular cluster size of that liquid |
| 12/26/2000 | US6165327 Purification of condensed water along gas distribution lines for domestic and industrial use by dispersing the water in semiconductor metal oxide of specified particle size and concentration and irradiating with uv light; photodegradation |
| 12/26/2000 | US6165326 Facility for desalinating of purifying sea water or brackish water by means of solar energy |
| 12/26/2000 | US6164813 Static fluid mixing device with helically twisted elements |
| 12/26/2000 | US6164332 In-line magnetic water manufacturing apparatus |
| 12/26/2000 | US6164087 Apparatus for the cleaning of waste streams |
| 12/21/2000 | WO2000077397A1 Piston pump, method and installation for filtering water |
| 12/21/2000 | WO2000076922A2 Methods of preventing scaling involving inorganic compositions, and compositions therefor |
| 12/21/2000 | WO2000076917A1 Process for removing selenium and mercury from aqueous solutions |
| 12/21/2000 | WO2000076661A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 12/21/2000 | WO2000076640A1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
| 12/21/2000 | WO2000076639A1 A method and a plant for production of fresh water from briny water |
| 12/21/2000 | WO1999061647A8 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 12/21/2000 | DE19928071A1 Water supply pipe electrode insert kills germs and minimizes deposit of limestone scale |
| 12/21/2000 | DE19927134A1 Recovering mercury for industrial use from contaminated sludge comprises heating and condensation on mobile assembly in low-cost process |
| 12/21/2000 | CA2412378A1 Piston pump, method and installation for filtering water |
| 12/21/2000 | CA2374224A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 12/20/2000 | EP1061158A2 Parallel operating of amalgam and membrane electrolytic cells |
| 12/20/2000 | EP1061048A1 Potable and carbonated water dispenser with water treatment units |
| 12/20/2000 | EP1061047A1 Process for the elimination of organic peroxides from process water |
| 12/20/2000 | EP1060785A1 Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same |