| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/03/2004 | US20040104179 Ultrasonic transducer system |
| 06/03/2004 | US20040104178 Using aqueous mixture comprising flocculant and/or coagulant and a polyarylamine polymer formed by reacting aldehyde and arylamine in the presence of acid; amination; decoloring, clarification |
| 06/03/2004 | US20040104177 Filter aid and method of using same for reclaiming water-based fluids used in metal working processes |
| 06/03/2004 | US20040104176 Reducing or destroying micro-organisms that cause skin diseases or waterborne diseases in humans and animals by fluid flow through magnetic field; water treatment |
| 06/03/2004 | US20040104175 Controller and method for controlling regeneration of a water softener |
| 06/03/2004 | US20040104171 Method of monitoring membrane separation processes |
| 06/03/2004 | US20040104169 Using fluorometer to detect fluorescent signal of inert fluorescent tracer and tagged fluorescent agent; reverse osmosis |
| 06/03/2004 | US20040104168 Irradiating coating material waste water with microwaves to decompose impurities; coagulation using flocculant or electrolysis; fluid flow to bath for anaerobic or aerobic processing |
| 06/03/2004 | US20040104166 Spacer for electrically driven membrane process apparatus |
| 06/03/2004 | US20040104163 Spa and pool filter |
| 06/03/2004 | US20040104161 Module for purifying a fluid, in particular water |
| 06/03/2004 | US20040104157 Purified water supply system |
| 06/03/2004 | US20040104155 Manually controlled skimming of industrial oil contaminants |
| 06/03/2004 | US20040104154 Preventing water steam leakage around a shaft in a cavity, by inserting a shaft through a hollow tube of greater diameter in a liquid, liquid entering the tube until pressure reaching equilibrium; water purification |
| 06/03/2004 | US20040104153 Portable water purifier |
| 06/03/2004 | US20040104107 Hydrofluoric acid wastewater treatment method and device |
| 06/03/2004 | US20040103940 Dissolvable product feed apparatus |
| 06/03/2004 | US20040103930 Dishwasher |
| 06/03/2004 | US20040103783 comprises introducing gas/liquid mixtures into chamber having rotating disk formed with bores which induce cavitation/break down Van der Waals forces; atomization |
| 06/03/2004 | US20040103670 System and method for water pasteurization and power generation |
| 06/03/2004 | DE202004003864U1 Glass separating vessel, for separating hydrophobic material in effluent in laboratory, has outlet sleeve for selecting different materials |
| 06/03/2004 | DE202004003717U1 Sterilizing device for cisterns for urinals, drinking water processors, etc. consists of turbine operated by sued water, to drive generator for generation of ozone, and pump to feed ozone into water |
| 06/03/2004 | DE19606633B4 Einrichtung zur physikalischen Wasseraufbereitung Device for physical water treatment |
| 06/03/2004 | DE19546149B4 Verfahren zur Rauchgasentschwefelung, wobei nach einer Naß-Rauchgasentschwefelungsanlage die verunreinigte Waschlösung einer speziellen Behandlung zugeführt wird A method of flue-gas desulphurisation, wherein after a wet flue gas desulfurization system, the contaminated scrubbing solution is fed to a special treatment |
| 06/03/2004 | DE10256500A1 Water softener, with electrodes in an alternating polarity, has a manual scraper to clear blockages and restore normal working on a time clock failure or incorrect programming |
| 06/03/2004 | DE10254164A1 Spray head, for a sewage treatment basin sprinkler, has plate bodies forming open channels between them to the jet outlets to deliver a spray mist with odor suppression |
| 06/03/2004 | DE10253256A1 Continuous treatment of contaminated water circulating in e.g. industrial floor washing systems comprises feeding it from settling tank through clarification tanks to wet oxidation stage and then recirculating |
| 06/03/2004 | DE10253102A1 Hot water supply has a water treatment unit linked to the primary circuit in a bypass, to prevent chemical/biological contamination, with a constant flow and pressure through the unit |
| 06/03/2004 | DE10220315B4 Vorrichtung zur Erzeugung von Ozon, Sauerstoff, Wasserstoff und/oder anderen Wasserelektrolyseprodukten Device for generating ozone, oxygen, hydrogen and / or other water electrolysis products |
| 06/03/2004 | CA2505733A1 A method and an apparatus for purifying water by photo-chemical oxidation |
| 06/02/2004 | EP1424367A1 Composition, amphoteric polymeric flocculant and use of both |
| 06/02/2004 | EP1424312A1 Apparatus and procedure for water treatment |
| 06/02/2004 | EP1424311A1 Method of multi-stage reverse osmosis treatment |
| 06/02/2004 | EP1424122A1 Installation for recycling agricultural waste and similar waste |
| 06/02/2004 | EP1423340A1 A method of biologically purifying waste water and a plant preferably a mini purification plant to be used by the method |
| 06/02/2004 | EP1423337A2 Biofilm reduction in crossflow filtration systems |
| 06/02/2004 | EP1423336A1 Movable electrode flow through capacitor |
| 06/02/2004 | EP1423335A1 Water purification apparatus |
| 06/02/2004 | EP1423334A1 Hollow fiber membrane filters in various containers |
| 06/02/2004 | EP1423197A1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same |
| 06/02/2004 | EP1423174A2 Method and apparatus for a recirculating tangential separation system |
| 06/02/2004 | EP1335881B1 Process for desalination of seawater |
| 06/02/2004 | CN2619204Y Mine magnetic health solar water heater |
| 06/02/2004 | CN2618917Y Device capable of purifying and sterilizing water and air |
| 06/02/2004 | CN2618916Y Magnetic dynamic force coil pipe cleaner |
| 06/02/2004 | CN2618915Y Vertical water magnetizer |
| 06/02/2004 | CN2618914Y Ion exchanger |
| 06/02/2004 | CN2618913Y Ultraviolet water processor |
| 06/02/2004 | CN2618912Y Air float tester |
| 06/02/2004 | CN2618619Y Pressure reducing cup |
| 06/02/2004 | CN2618527Y Electric separating type water making machine |
| 06/02/2004 | CN1501891A Device and method for generating and applying ozonated water |
| 06/02/2004 | CN1501890A Apparatus and method for removing hydrogen peroxide from spent pickle liquor |
| 06/02/2004 | CN1501889A Wastewater treatment process for treating organics containing nitrogen |
| 06/02/2004 | CN1501836A Controlled release cooling additive composition |
| 06/02/2004 | CN1501833A Immersion type membrane filter |
| 06/02/2004 | CN1500748A Nutritious drinking water for children |
| 06/02/2004 | CN1500747A Drinking water for children containing active calcium |
| 06/02/2004 | CN1500746A Drinking water for children containing sodium fluoride |
| 06/02/2004 | CN1500745A Drinking water for children containing vitamin |
| 06/02/2004 | CN1500744A Drinking water for children containing potassium iodide |
| 06/02/2004 | CN1500743A Drinking water for children containing microelements |
| 06/02/2004 | CN1500742A Drinking water for children containing lecithin |
| 06/02/2004 | CN1500741A Drinking water for children containing zinc gluconate |
| 06/02/2004 | CN1500740A Flocculant of cation of millicron SiOx compound polyacrylamide and preparing method thereof |
| 06/02/2004 | CN1500739A Method of polymerization and coagulation for treating sewage participating of heavy concentration acrylonitrile |
| 06/02/2004 | CN1500738A Method and apparatus for sewage treatment |
| 06/02/2004 | CN1500737A Technique for treating water using magnetic absorbent |
| 06/02/2004 | CN1500736A Preparing Method for magnetic active carbon used for water treatment |
| 06/02/2004 | CN1152047C Process for extracting thallus from waste liquid of monosodium glutamate |
| 06/02/2004 | CN1151982C Activation method of water and apparatus thereof |
| 06/02/2004 | CN1151981C Method and apparatus for reducing flow resistance in pipes and ducts |
| 06/02/2004 | CN1151980C Water treatment apparatus |
| 06/02/2004 | CN1151979C Electrolytic water and generating device thereof |
| 06/02/2004 | CN1151978C operating process of ion exchange unit for condensed water treatment |
| 06/02/2004 | CN1151977C Process for reclaiming the three wastes in site of drilling well on land |
| 06/02/2004 | CN1151976C Water-treating photocatalytic reactor |
| 06/02/2004 | CN1151975C Solar-energy sea water desalting equipment |
| 06/02/2004 | CN1151974C Membrane distillation type water treating apparatus using solar energy or afterheat |
| 06/02/2004 | CN1151973C Two-step separation process for treating sewage |
| 06/02/2004 | CN1151875C Copper base catalyst for catalyzing wet oxidation treating industrial waste water |
| 06/02/2004 | CN1151862C Method and apparatus for high efficiency reverse osmosis operation |
| 06/02/2004 | CN1151752C Integrated purifying drinking machine |
| 06/01/2004 | US6743957 Efficient coagulation and precipitation using divalent and trivalent metal salts |
| 06/01/2004 | US6743866 Rubber derivatives and method for their preparation |
| 06/01/2004 | US6743372 Media for water treatment |
| 06/01/2004 | US6743366 Removal of cell growth from a body of water |
| 06/01/2004 | US6743357 Using diffusers to force circulation and aerate a digesting lagoon. several lagoons may be used in series to treat raw animal waste and different variations may be employed to successively digest raw waste. |
| 06/01/2004 | US6743353 Method and apparatus for neutralizing alkaline wastewater without using mineral acids |
| 06/01/2004 | US6743348 Apparatus and method for producing antimicrobial silver solution |
| 06/01/2004 | US6742944 Alkaline solution and manufacturing method, and alkaline solution applied to pattern forming method, resist film removing method, solution application method, substrate treatment method, solution supply method, and semiconductor device manufacturing method |
| 06/01/2004 | US6742774 Process for high shear gas-liquid reactions |
| 06/01/2004 | US6742594 Flowline jumper for subsea well |
| 06/01/2004 | CA2437901C Reduced-waste reverse osmosis water supply system |
| 06/01/2004 | CA2114436C Dewatering of aqueous suspensions |
| 05/29/2004 | CA2451256A1 Spacer for electrically driven membrane process apparatus |
| 05/29/2004 | CA2416878A1 Wastewater treatment device |
| 05/29/2004 | CA2413467A1 Spacer for electrically driven membrane process apparatus |
| 05/29/2004 | CA2412542A1 Wastewater treatment device |
| 05/27/2004 | WO2004044368A2 Orientation system for a subsea well |