| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/04/1999 | WO1999010017A1 Chelators in combination with biocides: treatment of microbially induced biofilm and corrosion |
| 03/04/1999 | WO1998055628A3 Dna sequences, expression of said dna sequences, thermopile laccases coded by said dna sequences and the use thereof |
| 03/04/1999 | DE19838688A1 Water softener for e.g. dishwashers has electrical conductivity sensors |
| 03/04/1999 | DE19738311A1 Removal of metal ions from dilute solutions |
| 03/04/1999 | DE19738173A1 Process directs ultraviolet light to raw water subjected to flow of direct |
| 03/04/1999 | DE19737975A1 Waste water treatment flocculation sludge settling tank for sludge removal |
| 03/04/1999 | DE19737973A1 Waste water flocculation settlement tank |
| 03/04/1999 | DE19736507A1 Osmotic, effectively non-moving part dosing system, delivering fluid or gas over protracted interval |
| 03/04/1999 | DE19734887A1 Vorrichtung zur Gewinnung von Wasser aus der Luft Apparatus for extracting water from the air |
| 03/04/1999 | CA2301544A1 Treatment of liquid waste |
| 03/04/1999 | CA2294111A1 Method and plant for treating water incorporating a sedimentation tank and an multilayer filter operating at high speeds |
| 03/04/1999 | CA2246127A1 A waste material processing apparatus and method |
| 03/03/1999 | EP0899642A1 Apparatus for measuring, controlling and dosing |
| 03/03/1999 | EP0899240A1 Process and device for water treatment by injecting ozone and carbon dioxide |
| 03/03/1999 | EP0899239A1 Method and apparatus for treating water by reverse osmosis or nanofiltration |
| 03/03/1999 | EP0899238A1 Method and apparatus for treating water by reverse osmosis or nanofiltration |
| 03/03/1999 | EP0899237A2 Apparatus for water treatment |
| 03/03/1999 | EP0680456B1 Process for disinfecting hot water supply systems |
| 03/03/1999 | CN2309333Y Sterilizing and purifying water supply device |
| 03/03/1999 | CN2309332Y Multi-functional efficient sewage treatment installation |
| 03/03/1999 | CN2309331Y Reverse osmosis water purifier |
| 03/03/1999 | CN2309330Y Ultrafiltering water purifier |
| 03/03/1999 | CN1209470A Cleaning method of electrolyzed water forming apparatus and electrolyzed water forming apparatus having mechanism for conducting the method |
| 03/03/1999 | CN1209419A Noval method for treatment of nitro-waste-water |
| 03/02/1999 | US5877389 Process for the oxidative decomposition of organic compounds present in aqueous effluents |
| 03/02/1999 | US5877113 To control organic pollutants and/or algae therein. |
| 03/02/1999 | US5876685 Using ion exchange resin |
| 03/02/1999 | US5876663 Sterilization of liquids using plasma glow discharge |
| 03/02/1999 | US5876613 Sludge digestion method |
| 03/02/1999 | US5876607 Activated carbon treated by carbon dioxide for the stabilization of treated water pH and the control of aluminum in the treated water |
| 03/02/1999 | US5876604 Amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole |
| 03/02/1999 | US5876596 Apparatus for treating water |
| 03/02/1999 | US5876594 Turbo oxidation system,--TOS, for wet combustion of COD-containing liquids and for COD-reduction by enzymes |
| 03/02/1999 | US5876590 Electrochemical leaching of soil |
| 03/02/1999 | US5876589 Wastes from cleaning solution |
| 03/02/1999 | US5876579 Dehalogenation |
| 03/02/1999 | US5876575 Method and apparatus for treatment of water |
| 02/28/1999 | CA2246119A1 Condensate drain pan for hvac units |
| 02/25/1999 | WO1999009263A1 Apparatus for the treatment of rain water |
| 02/25/1999 | WO1999008967A1 Apparatus for purification of water area |
| 02/25/1999 | WO1999008966A1 A method to remove biguanide from an aqueous source |
| 02/25/1999 | WO1999008965A2 Structured materials |
| 02/25/1999 | WO1999008796A1 Garbage disposal apparatus |
| 02/25/1999 | WO1999008778A1 Method of converting amine hydrohalide into free amine |
| 02/25/1999 | WO1999008768A1 Filtration method and device for liquid purification |
| 02/25/1999 | WO1999008719A2 Sterilization apparatus utilizing catholyte and anolyte solutions |
| 02/25/1999 | WO1999008571A1 Gelatinous cushions with buckling columns |
| 02/25/1999 | WO1999008535A1 Purification method |
| 02/25/1999 | WO1999008531A1 Antimicrobial composition containing a haloperoxidase, a hydrogen peroxide source, a halide source and an ammonium source |
| 02/25/1999 | DE19736671A1 Mineral water de-gasification assembly |
| 02/25/1999 | DE19736636A1 Supply of water to e.g. shower is delayed by electronic circuit |
| 02/25/1999 | DE19736634A1 Supply of water to e.g. a shower is delayed by electronic circuit |
| 02/25/1999 | DE19736633A1 Sanitary water supply has ultraviolet lamp directed at filter |
| 02/25/1999 | DE19736632A1 Water supply for sanitary purposes has housing with inner cage and filter bag |
| 02/25/1999 | DE19580599C1 Purifying dairy waste water |
| 02/25/1999 | CA2298788A1 Antimicrobial composition containing a haloperoxidase, a hydrogen peroxide source, a halide source and an ammonium source |
| 02/24/1999 | EP0897686A1 Filter kettle |
| 02/24/1999 | EP0754166B1 Method for a waste water treatment plant |
| 02/24/1999 | EP0737169B1 Composition for treating water and sanitising soils |
| 02/24/1999 | EP0558568B1 A method for treating an organic substance |
| 02/24/1999 | CN2308789Y Dual water sources tap filter |
| 02/24/1999 | CN2308594Y Fluid spiral magnetizing device |
| 02/24/1999 | CN2308593Y Water-use ultraviolet sterilizing device |
| 02/24/1999 | CN2308592Y 自动清洗装置 Automatic cleaning device |
| 02/24/1999 | CN1208938A Method and equipment for processing waste materials |
| 02/24/1999 | CN1208721A Water purification system |
| 02/24/1999 | CN1208720A Device for creation of oxidation and pptn. zone or reduction zone in aquifer |
| 02/24/1999 | CN1208719A Gas solution adsorption type osmosis method for sea water desalination |
| 02/23/1999 | US5875384 TiO2 -coated fiber optic cable reactor |
| 02/23/1999 | US5874741 Apparatus for germicidal cleansing of water |
| 02/23/1999 | US5874740 Ultraviolet ray irradiation equipment having scraper rings fitted to light transmission tubes |
| 02/23/1999 | US5874453 Synergistic antimicrobial compositions containing a dimethylamide of a carboxylic acid with mixture of 2-(thiocyanomethylthio) benzothiazone and methylenebis (thiocyanate) |
| 02/23/1999 | US5874204 Process for rejuvenation treatment of photoresist development waste |
| 02/23/1999 | US5873996 Community drinking water purification system |
| 02/23/1999 | US5873995 End-of-life indicator for water treatment device |
| 02/23/1999 | US5873262 Desalination through methane hydrate |
| 02/23/1999 | CA2131721C Method for removing chloramine with catalytic carbon |
| 02/23/1999 | CA2117040C Fluid treatment system and process |
| 02/20/1999 | CA2245236A1 Process and device for treating water through ozone and carbon dioxide injection |
| 02/19/1999 | CA2211935A1 Apparatus for the treatment of potable water |
| 02/18/1999 | WO1999007951A1 Device for obtaining water from air |
| 02/18/1999 | WO1999007644A1 Purification system for dry cleaning separator waste water |
| 02/18/1999 | WO1999007642A1 Process and apparatus for water decontamination |
| 02/18/1999 | WO1999007641A1 Hydrothermal electolysis method and apparatus |
| 02/18/1999 | WO1999007456A1 Flowmeter system useable with water treatment device |
| 02/18/1999 | WO1999007231A1 Apparatus and method for magnetically treating milk products |
| 02/18/1999 | DE19729498A1 Verdichteranlage Compressor system |
| 02/18/1999 | CA2299326A1 Purification system for dry cleaning separator waste water |
| 02/17/1999 | EP0896569A1 Salt of boehmite alumina |
| 02/17/1999 | EP0843592A4 Dehalogenation of halogenated hydrocarbons in aqueous compositions |
| 02/17/1999 | EP0843588B1 Compact portable hand-operated filter for purifying water |
| 02/17/1999 | EP0811017B1 Cellulose particles, method for producing them and their use |
| 02/17/1999 | EP0773908B1 Method and device for purifying waste water, in particular for fully biological domestic sewage treatment systems |
| 02/17/1999 | CN2307786Y Automatic water purifier |
| 02/17/1999 | CN2307784Y Disinfecting apparatus with chlorine dioxide chemical reaction generator |
| 02/17/1999 | CN2307783Y Treatment device for running water |
| 02/17/1999 | CN2307782Y Electrooxidation tower |
| 02/17/1999 | CN2307781Y Ion-change board water treatment apparatus |
| 02/17/1999 | CN2307625Y High-efficient combination diaphragm electrolytic cell |
| 02/17/1999 | CN1208362A Method of filtering the organic solutions arising in the production of circuit boards |