| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/24/1998 | US5720876 Reactor for biological sewage purification |
| 02/24/1998 | US5720869 Removing suspended solids, deionization, ion exchanging, electrolysis |
| 02/24/1998 | US5720856 Demineralizing aqueous influent by distillation, sterilizing distillate, remineralizing by adding desired additive, condensing |
| 02/24/1998 | US5720578 Wet oxidizing mud or suspended earth by oxidation with oxygen, heating and pressurizing in the presence of an iron compound and a quinone promoter |
| 02/24/1998 | US5720438 Mobile apparatus and process for treating infectious waste |
| 02/24/1998 | CA2092612C Water distillation apparatus |
| 02/21/1998 | CA2396238A1 Container for storing potable water |
| 02/19/1998 | WO1998006756A1 Biodegradable complexing agents for heavy metals |
| 02/19/1998 | WO1998006672A1 Method for removing toxic substances in water |
| 02/19/1998 | WO1998006491A1 Device for generating magnetic fields for catalysing physico-chemical reactions |
| 02/19/1998 | WO1998006483A1 Method and apparatus for high efficiency reverse osmosis operation |
| 02/19/1998 | WO1998006473A1 Device for continuous filtration of liquids |
| 02/19/1998 | DE19633039A1 Waste combustion installation |
| 02/19/1998 | DE19632447A1 Beseitigungsvorrichtung Removing device |
| 02/19/1998 | DE19632420A1 Soda water adaptor assembly |
| 02/19/1998 | CA2263206A1 Method for removing toxic substances in water |
| 02/18/1998 | EP0824088A1 Non-draining type human waste disposal method by pulse combustion drying |
| 02/18/1998 | EP0824037A1 Ion adsorbent |
| 02/18/1998 | EP0824033A1 Filter cartridge with sieve in an outlet opening |
| 02/18/1998 | CN1173469A Deinsectization device of water purifer |
| 02/18/1998 | CN1173390A Method for prepn. of ultra filtering silica membrane used for seawater desalination |
| 02/18/1998 | CN1173381A Liquid purifying unit |
| 02/17/1998 | US5719224 Mixture of aluminum chlorohydrtae and a tannin |
| 02/17/1998 | US5719100 Mixture of sodium chlorite and acid activator; stability; portability |
| 02/17/1998 | US5719010 Treatment method for treating effluents from a photographic development process |
| 02/17/1998 | US5718944 Corrosion protection in concrete sanitary sewers |
| 02/17/1998 | US5718828 Method for minimizing wastewater discharge |
| 02/14/1998 | CA2212989A1 Ion adsorbent |
| 02/13/1998 | CA2211252A1 Filter cartridge with a sieve in an outlet aperture |
| 02/13/1998 | CA2183146A1 Method and apparatus for management wastewater effluent from various wastewater effluent sources |
| 02/12/1998 | WO1998005596A1 Water purifier for a spa |
| 02/12/1998 | WO1998005595A1 Methods and apparatus for the application of combined fields to disinfect fluids |
| 02/12/1998 | WO1998005594A1 A portable water purification system |
| 02/12/1998 | WO1998005593A1 Method for removing arsenic from aqueous systems |
| 02/12/1998 | WO1998005415A1 Process and plant for introducing a gas into a liquid |
| 02/12/1998 | WO1998005408A1 Dripless purification manifold and cartridge |
| 02/12/1998 | WO1998005401A1 A water treatment cartridge and a water filter jug fitted with such a cartridge |
| 02/12/1998 | WO1998005367A1 Uv water disinfector |
| 02/12/1998 | DE19700761C1 Industrial washing machine cross-flow filter assembly |
| 02/12/1998 | DE19633342A1 Air conditioning water supply pipe incorporating sandwich electrolyser |
| 02/12/1998 | CA2263002A1 A water treatment cartridge and a water filter jug fitted with such a cartridge |
| 02/11/1998 | EP0823401A2 Method for treating waste water |
| 02/11/1998 | EP0823400A1 An electrode structure for electrolysis of water and a method for sterilization of water thereby |
| 02/11/1998 | EP0823276A1 Filter device with meshed insert |
| 02/11/1998 | EP0822922A1 Water softening apparatus with microprocessor control |
| 02/11/1998 | EP0822921A1 Treatment for inhibiting microbial adhesion on surfaces |
| 02/11/1998 | EP0822920A1 Process for producing a chlorine dioxide-containing disinfectant solution for water treatment |
| 02/11/1998 | EP0746428B1 Method of absorbing organic pollutants |
| 02/11/1998 | CN1172875A Technology for making pulp by forage alkaline process and method for disposing its produced sewage and its system device |
| 02/11/1998 | CN1172776A Catalyst for treatment of waste water and its preparation method |
| 02/11/1998 | CN1172775A Sewage cleaning agent |
| 02/11/1998 | CN1172774A Method for degerming by water and processing device used by said method |
| 02/11/1998 | CN1172772A Sewage treatment method for subcurrent crushed stone plant bed |
| 02/11/1998 | CN1172771A Water purification system capable of avoiding air from being discharged therefrom before purifying raw water |
| 02/11/1998 | CN1172770A High oxygen drinking water device |
| 02/11/1998 | CN1172686A Removal of metal compounds from acid solution |
| 02/10/1998 | US5717023 Solid polymeric products and their use |
| 02/10/1998 | US5716992 Topical applying to human skin |
| 02/10/1998 | US5716766 Mechanically raising cathode above spent bath when silver concentration of bath falls to prescribed level due to electrolytic precipitation of silver at cathode |
| 02/10/1998 | US5716531 Measuring electroconductivity |
| 02/10/1998 | US5716528 Peroxide water treatment process |
| 02/10/1998 | US5716524 Purification by solvent extraction |
| 02/10/1998 | US5716520 Magnetic fluid conditioner |
| 02/10/1998 | US5716519 Apparatus for discharging fluid additives into a water treatment vessel |
| 02/09/1998 | CA2182925A1 Turbine for an underwater aerator |
| 02/08/1998 | CA2212448A1 Use of the linear alkylbenzene sulfonate as a biofouling control agent |
| 02/06/1998 | CA2211221A1 Filter means with fabric insert |
| 02/05/1998 | WO1998004502A1 Apparatus and method for water purification |
| 02/05/1998 | WO1998004501A1 Wastewater treatment system and method |
| 02/05/1998 | WO1998004350A1 Process for controlling the regeneration of a water treatment device and water treatment device using said process |
| 02/05/1998 | WO1998004349A1 Water treatment device |
| 02/05/1998 | WO1997048732A3 Spray-dried polymer compositions and methods |
| 02/05/1998 | DE19726269A1 Removal of e.g. heavy metal or fluoride ions from effluent |
| 02/05/1998 | DE19630826A1 Treating contaminated water e.g. in swimming pools |
| 02/05/1998 | CA2261820A1 Process for controlling the regeneration of a water treatment device and water treatment device using said process |
| 02/05/1998 | CA2261621A1 Water treatment device |
| 02/05/1998 | CA2233615A1 Apparatus and method for water purification |
| 02/04/1998 | EP0822271A2 Electrolytic cell in particular for ozone generation for application in waste water treatment |
| 02/04/1998 | EP0822162A2 Reactor vessel and process for preparing a controlled-dosage chlorine dioxide solution |
| 02/04/1998 | EP0822045A2 Concrete mixing arrangement |
| 02/04/1998 | EP0821996A1 Fluid processing module with a rigid membrane and process for its use |
| 02/04/1998 | EP0821704A1 Water-soluble cationic copolymers and their use as flocculants and drainage retention aids |
| 02/04/1998 | EP0821657A1 Uv-reflector forming a part of a uv-device for purification of a liquid or a gas, preferably water |
| 02/04/1998 | EP0687201B1 Fluid treatment system and process |
| 02/04/1998 | EP0648193B1 Process and system for purifying waste water |
| 02/04/1998 | CN2273703Y Filtering apparatus for drinking water |
| 02/04/1998 | CN2273702Y Device for magnetizing for preventing container from being scaled |
| 02/04/1998 | CN2273701Y Apparatus for removing fluorine from domestic drinking water |
| 02/04/1998 | CN2273700Y Equipment for sterilzing hospital sewage water with blocking-upprevention and dredging function |
| 02/04/1998 | CN1172080A Industrial sewage treating agent and its application method |
| 02/04/1998 | CN1172079A Method for preparation of high iron and its compound oxidizing flocculant |
| 02/04/1998 | CN1172078A Electrochemical method for preparing multifunctional compound high iron-aluminium flocculating agent |
| 02/04/1998 | CN1172077A Method for preparing soft water by electro-deionization and its device |
| 02/04/1998 | CN1172076A Method for reducing chemical oxygen consumption in acidizing sewage of waste alkali liquor from oxidizing cyclohexane |
| 02/04/1998 | CN1172075A New process for gas-making waste water treatment |
| 02/04/1998 | CN1171974A Improved method and circuit for controlling electrical heater in water distiller |
| 02/03/1998 | US5714433 Activated carbon treated by carbon dioxide for the stabilization of treated water pH |
| 02/03/1998 | US5714077 Liquid filtration system |
| 02/03/1998 | US5714076 Process for preventing the formation of black spots on the walls of underground water reservoirs |
| 02/03/1998 | US5714075 Method of processing a cheese processing waste stream |