| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/02/2003 | EP1030933A4 Analysis of nicked dna by matched ion polynucleotide chromatography |
| 01/02/2003 | DE29924378U1 Direct current electro-chemical process liberates soaked limescale from metal water systems by dissolving contact interface |
| 01/02/2003 | DE20214972U1 Drinking water carbonation assembly has stack-membrane contact surface |
| 01/02/2003 | DE20203596U1 Drinking water treatment capsule has vanes setting up vortex rotation around centreline tapered body |
| 01/02/2003 | DE20200697U1 Waste water treatment basin has two electrode grids repelling charged particles in suspension |
| 01/01/2003 | CN2528766Y Multi-cavity bioactivity char filter |
| 01/01/2003 | CN2528764Y Water rotation clarification air float tank |
| 01/01/2003 | CN2528763Y Frequency conversion scaler |
| 01/01/2003 | CN2528762Y Water treatment device for washing machine |
| 01/01/2003 | CN2528761Y Continuous dynamic microfilter machine |
| 01/01/2003 | CN2528760Y Sewage treatment tank |
| 01/01/2003 | CN2528453Y Enemator |
| 01/01/2003 | CN1388072A Organic-state mineral water and its production process |
| 01/01/2003 | CN1388071A Prepn of boron-containing ferric sulfate silicate polymer |
| 01/01/2003 | CN1388070A Process for producing floccalating agent using for water treatment |
| 01/01/2003 | CN1388069A Water treatment facilities |
| 01/01/2003 | CN1388068A Nanometer filtering film water treating machine and method with high recovery rate |
| 01/01/2003 | CN1097653C Washing machine having electrolytic sewage disposal device |
| 01/01/2003 | CN1097566C Method for treating waste gases and sewage |
| 01/01/2003 | CN1097565C Method of treating city waste water |
| 01/01/2003 | CN1097564C Apparatus for purifying high density organic sewage and process thereof |
| 01/01/2003 | CN1097562C Electrochemical method for preparing multifunctional compound high iron-aluminium flocculating agent |
| 01/01/2003 | CN1097561C High polymericiron aluminium chloride compound coagulant and its producing process |
| 01/01/2003 | CN1097560C Device for generating electrolytic water |
| 01/01/2003 | CN1097559C Vaporizing and concentration drying apparatus and method |
| 12/31/2002 | US6500458 Condensate of SAR abolisher, producing method thereof, and SAR abolisher powder |
| 12/31/2002 | US6500346 Fluid treatment device and method for treatment of fluid |
| 12/31/2002 | US6500345 Apparatus and method for treating water |
| 12/31/2002 | US6500340 Pasteurizing sludge to exceptional quality |
| 12/31/2002 | US6500337 Device for oil removal and transport |
| 12/31/2002 | US6500334 Stand alone water purifier |
| 12/31/2002 | US6500333 System and process for treating waste water |
| 12/31/2002 | US6500332 Apparatus for purifying spas/jetted tubs |
| 12/31/2002 | US6500312 For irradiation of treated waste water |
| 12/31/2002 | US6500310 Distilling to yield clean water, concentrated brine and hydrocarbon rich product |
| 12/31/2002 | US6500237 Removing hydrogen sulfide from a gaseous mixture using ferric ions bonded to calcined diatomite |
| 12/31/2002 | US6500229 Method for treating steel works dust by wet process |
| 12/31/2002 | US6500216 Method and apparatus for desalinating sea water, natural salt and fresh water |
| 12/31/2002 | US6500107 Method for the concentration of fluid-borne pathogens |
| 12/31/2002 | US6499671 Ozone systems and methods for agricultural applications |
| 12/31/2002 | CA2053073C Electrolytic cell attaching apparatus |
| 12/27/2002 | WO2002103749A1 Discharge lamp and ultraviolet irradiation system and operation method therefor |
| 12/27/2002 | WO2002102723A1 Method and apparatus for the treatment of water |
| 12/27/2002 | WO2002102722A1 Medical grade water production system |
| 12/27/2002 | WO2002102719A1 Method for inhibiting filamentous bacteria bulking |
| 12/27/2002 | WO2002102718A1 Device for ozonising water and method for ozonising water |
| 12/27/2002 | WO2002102717A1 Method and apparatus for separating hydrocarbons from mineral substrates |
| 12/27/2002 | WO2002102716A1 Electrolytic activation of fluids |
| 12/27/2002 | WO2002102714A1 Treatment of organic waste and sludge |
| 12/27/2002 | WO2002102706A1 Method and apparatus for disinfecting a refrigerated water cooler reservoir |
| 12/27/2002 | WO2002102637A1 Waste water-recycling installation for railways |
| 12/27/2002 | WO2002102507A1 Bimetallic catalyst for the treatment of water containing nitrates |
| 12/27/2002 | WO2002102181A1 Reclosable fastener assembly with slider closed position indicator |
| 12/27/2002 | WO2002081384A3 Process for flocculating suspensions |
| 12/27/2002 | WO2002068338A3 Method of boron removal in presence of magnesium ions |
| 12/27/2002 | WO2002049960A3 Anti-corrosion agents |
| 12/27/2002 | WO2002033515A3 Wireless asp systems and methods |
| 12/27/2002 | CA2419603A1 Treatment of organic waste and sludge |
| 12/26/2002 | US20020198431 Adding metakaolin powder to the aqueous solution to obtain suspension; introducing suspension into mold; allowing to solidify Zeolite A; drying molded product; heat treating |
| 12/26/2002 | US20020198317 Discrete particles of water-soluble, non-ionic poly(N-vinylamide) polymer formed by polymerization of a vinylamide monomer, dispersed in an aqueous salt solution containing a poly(vinyl alcohol) stabilizer polymer |
| 12/26/2002 | US20020197638 Analysis of nicked DNA by matched ion polynucleotide chromatography |
| 12/26/2002 | US20020197335 Antioxidants in clusters of structured water |
| 12/26/2002 | US20020197197 Buoyant dispensing device |
| 12/26/2002 | US20020197182 Apparatus for focusing ultrasonic energy; use to treat mixtures such as agricultural or industrial waste streams |
| 12/26/2002 | US20020195583 Within water cooling/supply systems, via ozone which is used for disinfection, and high molecular weight homo/copolymers of acrylic acid, methacyrlic acid, maleic acid, maleic anhydride, and itaconic acid |
| 12/26/2002 | US20020195467 Display module for water cooler |
| 12/26/2002 | US20020195407 Comprises zirconia, carbon, aluminosilicate, silica gel, and alumina; for water treatment; for arsenic removal |
| 12/26/2002 | US20020195406 Exposing biofilm containing microbial flora to chlorine for elimination then chlorine dioxide for maintenence; dentistry |
| 12/26/2002 | US20020195405 Adding tin and hydrochloric acid to waste/drinking water to reduce chromium ion; pollution control |
| 12/26/2002 | US20020195404 Dissolving calcium hypochlorite with water under pressure and injected with inert gas; for automatically sanitizing swimming pools |
| 12/26/2002 | US20020195403 Hardness is detected with lapse of time; brine analysis; ion exchanging |
| 12/26/2002 | US20020195402 Which cavitates liquid portion of mixture to generate heat that can kill pathogens, or oxidize (with ozone) mixtures to produce ash and gas |
| 12/26/2002 | US20020195399 Disposable cartridge for on-premises water treatment system |
| 12/26/2002 | US20020195398 Filtering, mixing with additives to adjust pH, pressurization through gasification to dissolve gas into liquid via hydrocyclone, removing bubbles, depressurization, then stratification/flocculation; pollution control |
| 12/26/2002 | US20020195397 Via transferring from tank to ozonization system for oxidation/reduction; aeration then skimming and/or decanting |
| 12/26/2002 | US20020195396 Agent for removing heavy metals comprising a sulphur compound |
| 12/26/2002 | US20020195395 Removal of cell growth from a body of water |
| 12/26/2002 | US20020195394 Selective filtration of methyl-tert-butyl ether |
| 12/26/2002 | US20020195393 Loose fiber adsorbent |
| 12/26/2002 | US20020195385 Hollow fiber membrane contactor |
| 12/26/2002 | US20020195381 Photocatalytic filter, photocatalytic filter device and method for manufacturing photocatalytic filter |
| 12/26/2002 | US20020195333 Spouted bed apparatus for contacting objects with a fluid |
| 12/26/2002 | US20020195331 Treatment of dental-unit water lines |
| 12/26/2002 | US20020194865 Apparatus for producing potable water and slush from sea water or brine |
| 12/26/2002 | US20020194852 Ice composition containing hydrogen peroxide and method of storing perishable food |
| 12/26/2002 | CA2391064A1 Water softening device and method for regeneration control thereof |
| 12/25/2002 | CN2527597Y 洗涤槽 Sink |
| 12/25/2002 | CN2527559Y Overtorque protector for suction dredge |
| 12/25/2002 | CN2527556Y Circulating fecal treatment device |
| 12/25/2002 | CN2527554Y Device for removing silicon from thick oil sewage |
| 12/25/2002 | CN2527553Y High voltage electrostatic water treatment ion bar |
| 12/25/2002 | CN2527552Y Film-less electrolytic water generator |
| 12/25/2002 | CN2527551Y Water purifier |
| 12/25/2002 | CN2527550Y Small seawater desalination device for spiral veneer reeling heat exchanging piece |
| 12/25/2002 | CN2527091Y Drip irrigation water supply device |
| 12/25/2002 | CN1387542A Microbicidal additives |
| 12/25/2002 | CN1387498A Method for recovering fluorinated emulsifiers |
| 12/25/2002 | CN1387497A Process for purification of industrial waste water from propylene oxide production process |
| 12/25/2002 | CN1387040A Distilling reagent for ammonical nitrogen in water |
| 12/25/2002 | CN1386906A Process for removing Ni from waste etching FeCl3 solution containing Ni |