| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/21/2002 | WO2002013954A1 Immersion type membrane filter |
| 02/21/2002 | WO2001077031A3 Phenol removal pretreatment process |
| 02/21/2002 | WO2001074721A3 Improved desalination of ocean water |
| 02/21/2002 | WO2001066471A3 Control of spore forming bacteria in aqueous systems |
| 02/21/2002 | WO2001055036A3 Partially halogenated hydantoins in slime control |
| 02/21/2002 | WO2001038229A3 A method for cleaning wastewater from petroleum and oil contamination |
| 02/21/2002 | WO2000069778A9 Methods of using percarboxylic acid or anions thereof and methods of making the same |
| 02/21/2002 | WO2000051701A9 Improved water purification pack |
| 02/21/2002 | US20020022671 Sulfonation process |
| 02/21/2002 | US20020022215 Inactivation of small non-enveloped viruses and other microbial pathogens by porphyrins |
| 02/21/2002 | US20020022059 Water treatment process |
| 02/21/2002 | US20020020677 Thermal processing system for farm animal waste |
| 02/21/2002 | US20020020676 For treating stream of water that may contain debris; for pool or spa, nonclogging |
| 02/21/2002 | US20020020675 Electrolytic cell for generating at least one oxidant, electrolyte reservoir, power source, activator for activating power source |
| 02/21/2002 | US20020020674 Water treatment apparatus and water treatment method |
| 02/21/2002 | US20020020673 Static filter pitcher |
| 02/21/2002 | US20020020672 Method for removing odors in sterilized water |
| 02/21/2002 | US20020020671 Contacting with a H+ type cation exchange resin, a carbonate ion (CO32-) or bicarboante ion(HCO3-) anion exchange resin, and then a H+ type cation exchange resin |
| 02/21/2002 | US20020020631 Process for electrocoagulating waste fluids |
| 02/21/2002 | US20020020626 Electrodeionization apparatus and method of operating the same |
| 02/21/2002 | US20020020433 Oxidation apparatus and method of cleaning the same |
| 02/21/2002 | DE10040008A1 Filtering device for filtering industrial water comprises housing with inlet and outlet and containing filter insert consisting of prefilter and activated charcoal filter |
| 02/21/2002 | CA2419898A1 Under the counter water treatment system |
| 02/21/2002 | CA2415380A1 Reuse of used cooking oil adsorbants |
| 02/20/2002 | EP1180498A1 A plant for purifying water contaminated by droplets of hydrocarbonaceous liquid |
| 02/20/2002 | EP1180391A2 Filter device |
| 02/20/2002 | EP0999887B1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor |
| 02/20/2002 | EP0956125B1 Extraction method and apparatus |
| 02/20/2002 | CN2477624Y Filtering body for purifying water |
| 02/20/2002 | CN2477623Y Waste water treatment pool |
| 02/20/2002 | CN2477622Y Electrolytic sterilizer for drinking water |
| 02/20/2002 | CN2477621Y Running water purifier of semi-automatic counter-flushing filter core |
| 02/20/2002 | CN2477620Y Ion exchanger |
| 02/20/2002 | CN2477619Y Regenerator attatched to two-chamber dual-layer ion exchanger |
| 02/20/2002 | CN2477618Y Regenerating unit for efficiency lost resin |
| 02/20/2002 | CN2477617Y Pressure oil removing settling pot |
| 02/20/2002 | CN2477616Y Non-contact beverage stimulating appts. |
| 02/20/2002 | CN2477615Y Household running water filter |
| 02/20/2002 | CN2477614Y Light weight and convenient water purifier |
| 02/20/2002 | CN2477613Y Eddy pump dissolved gas generating tube appts. |
| 02/20/2002 | CN2477612Y Solid/liquid separating pool baffle appts. |
| 02/20/2002 | CN2477611Y Turbulent flow-proof baffle appts. of dissolved gas discharging-mixing pool |
| 02/20/2002 | CN2477610Y Dissolved gas discharging tube device |
| 02/20/2002 | CN2477609Y Ordinary temp filtering deaerating and iron removing appts. |
| 02/20/2002 | CN2477089Y Multi-stage magnetized water drinker |
| 02/20/2002 | CN1336850A Gas-liquid mixing device |
| 02/20/2002 | CN1336847A Immersed membrane element and module |
| 02/20/2002 | CN1336423A Keto surfactant and method for treating waste-water from industrial, commercial or public equipment |
| 02/20/2002 | CN1336391A Organic polymer flocculant and its prepn. and application in water treatment |
| 02/20/2002 | CN1336337A Sewer/waste-water treatment equipment |
| 02/20/2002 | CN1336335A Decoloring coagulant of composite iron salt |
| 02/20/2002 | CN1336334A Diamond coating electrode method for treating hard-to-degrade waste water |
| 02/20/2002 | CN1336333A Membrane separation process of treating soybean processing waste water |
| 02/20/2002 | CN1336332A Solar energy sea water desalting equipment and method |
| 02/20/2002 | CN1336331A Process of evaporating cyclohexane oxidizing waste alkali liquor |
| 02/20/2002 | CN1336330A Method and equipoment for treating inidustrial effluent containing ammonium sulfate |
| 02/20/2002 | CN1336329A Treating process for effluent from washing alkaline melt materials or sintered material in production of serial zirconium products |
| 02/20/2002 | CN1336328A Desertification preventing gas tackling method, techn. and apparatus |
| 02/20/2002 | CN1079580C Process and apparatus for the treatment of semiconductor wafers in a fluid |
| 02/20/2002 | CN1079504C Compressor installation |
| 02/20/2002 | CN1079376C Method for applying high polymer in treatment of waste watex |
| 02/20/2002 | CN1079375C Method for treating waste water from photographic film development |
| 02/20/2002 | CN1079272C Circulation filter for bathing water |
| 02/19/2002 | USRE37549 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| 02/19/2002 | US6348219 Processes for preparing concentrated aqueous liquid biocidal compositions |
| 02/19/2002 | US6348155 Water purification system and method |
| 02/19/2002 | US6348154 Using an inorganic cross-flow filter, after precipitating out most of the metals as salts; periodic backflow to clean filter of metal buildup |
| 02/19/2002 | US6348153 Method for separating heavy isotopes of hydrogen oxide from water |
| 02/19/2002 | US6348151 Device for sterilizing and filtering water which flows through a sanitary device |
| 02/19/2002 | US6348148 Seawater pressure-driven desalinization apparatus with gravity-driven brine return |
| 02/19/2002 | US6348143 In the presence of a strongly acidic ion such as halide, reactor internally has a pair of electrodes, oxidizing agent such as an oxygen gas may be added, even low-molecular weight compounds such as acetic acid and ammonia can be readily |
| 02/19/2002 | US6348129 Aqueous streams containing total reduced sulfur compounds; treating said first gaseous product stream with an alkaline aqueous stream; scrubbing of the off-gas from the ozone treatment with an aqueous alkaline stream |
| 02/19/2002 | US6347644 Bypass valve for water treatment system |
| 02/19/2002 | CA2331525C Method for preventing replication in cryptosporidium parvum using ultraviolet light |
| 02/19/2002 | CA2316446C Method and apparatus for electrocoagulation of liquids |
| 02/19/2002 | CA2193823C Wet oxidation system |
| 02/19/2002 | CA2160329C Waste water treatment method and apparatus |
| 02/19/2002 | CA2045517C Gas-solid photocatalytic oxidation of environmental pollutants |
| 02/18/2002 | CA2355438A1 Reduction of odor from a process |
| 02/14/2002 | WO2002012644A1 Combination tap with external water purifier |
| 02/14/2002 | WO2002012138A1 Installation and method for purifying waste water or effluents in particular industrial |
| 02/14/2002 | WO2002012137A2 Method and apparatus for water treatment system for livestock and poultry use |
| 02/14/2002 | WO2002012135A1 Waste treatment process |
| 02/14/2002 | WO2002012134A1 Method for treating organic waste water |
| 02/14/2002 | WO2002012132A2 Photocatalytic degradation of organic compounds |
| 02/14/2002 | WO2002012131A2 Antioxidants in clusters of structured water |
| 02/14/2002 | WO2002012130A1 Method and composition for cleaning and maintaining water delivery systems |
| 02/14/2002 | WO2002012129A1 Low-level boron detection and measurement |
| 02/14/2002 | WO2002012128A1 A plant for purifying water contaminated by droplets of hydrocarbonaceous liquid |
| 02/14/2002 | WO2002012127A2 Ultraviolet light emitting diode systems and methods |
| 02/14/2002 | WO2002012126A1 Method and apparatus for treating ammonia-containing effluent water |
| 02/14/2002 | WO2002012125A2 Thermal water treatment |
| 02/14/2002 | WO2002012124A2 Flow control module for ro water treatment system |
| 02/14/2002 | WO2002011914A2 Method and device for in-situ groundwater decontamination |
| 02/14/2002 | WO2002011870A2 Apparatus and method for oxygenating wastewater |
| 02/14/2002 | WO2002011851A2 Method and installation for continuous crystallization of liquids by freezing |
| 02/14/2002 | WO2002011773A1 Method and device for simultaneous sanitary treatment of a fluid and its distribution network |
| 02/14/2002 | WO2001051738A3 Water circulation device for decorative ponds |
| 02/14/2002 | WO2000045961A9 Fluid conditioning system and method |
| 02/14/2002 | US20020019656 Apparatus for water activation |