| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/15/2004 | CN1166411C Process for preparation of broad-spectrum antibacterial compound coating |
| 09/14/2004 | US6791092 Transmission meter, a method of measuring transmittance and a disinfection apparatus |
| 09/14/2004 | US6790910 Antimicrobial polymers or blends may be used for producing hygiene items or items for medical technology, e.g. as a coating, or else in surface coatings or protective paints, water treatment |
| 09/14/2004 | US6790429 Mxing an iron salt and an oxidizing agent in a mixing chamber; delivering portion of the mixture to a reaction chamber; continuously generating ferrate in the reaction chamber; delivering at least a portion of the ferrate to a site of use |
| 09/14/2004 | US6790409 Method of disinfecting contact lens and disinfecting liquid for the method |
| 09/14/2004 | US6790370 Manually controlling a surface skimmer from a remote location to remove a layer or a batch of an oil contaminant from an oil-aqueous solution mixture by the skimmer |
| 09/14/2004 | US6790364 Process for stripping amine borane complex from an electroless plating solution |
| 09/14/2004 | US6790363 Method of treating arsenic-contaminated waters |
| 09/14/2004 | US6790360 Immersed membrane element and module |
| 09/14/2004 | US6790353 Device for automatically feeding soluble fluid treating agents into a fluid body |
| 09/14/2004 | US6790352 Process for treating acid mine water with moderate to high sulfate content |
| 09/14/2004 | US6790345 Underwater filtration operator |
| 09/10/2004 | WO2004076510A2 High molecular weight polymers containing pendent salicyclic acid groups for clarifying bayer process liquors |
| 09/10/2004 | WO2004076365A1 Apparatus and method for treating wastewater using contact media |
| 09/10/2004 | WO2004076364A1 Water treatment compositions with masking agent |
| 09/10/2004 | WO2004076363A1 Method for producing mixed electrolyzed water |
| 09/10/2004 | WO2004076362A1 A process for the recovery of methacrylic acid from its aqueous diluted solutions by reverse osmosis |
| 09/10/2004 | WO2004076361A1 Water filter materials, corresponding water filters and processes for using the same |
| 09/10/2004 | WO2004076360A1 Processes for manufacturing water filter materials and water filters |
| 09/10/2004 | WO2004076359A1 Water desalination |
| 09/10/2004 | WO2004076358A2 Dissolved air flotation system |
| 09/10/2004 | WO2004076357A2 Sewage treatment system |
| 09/10/2004 | WO2004076335A2 Sun catcher |
| 09/10/2004 | WO2004076082A1 Process for treatment of an organic waste material |
| 09/10/2004 | WO2004052789A3 Filter cartridge for a standalone point of use water purification device |
| 09/10/2004 | WO2004000371A3 Biohazard treatment systems |
| 09/10/2004 | CA2649600A1 Water filter materials, corresponding water filters and processes for using the same |
| 09/10/2004 | CA2517032A1 Sewage treatment system |
| 09/10/2004 | CA2516595A1 Processes for manufacturing water filter materials and water filters |
| 09/10/2004 | CA2516582A1 Water treatment compositions with masking agent |
| 09/09/2004 | US20040175311 Floatation cap in communication with a telescoping assembly having a sleeve for controlling the dispersion of the solute-containing solution; useful for pools, hot tubs and whirlpool baths |
| 09/09/2004 | US20040174657 Charge barrier flow-through capacitor |
| 09/09/2004 | US20040173542 for diffusing ozone directly into a volume of water; floats; rechargeable battery; solar cells |
| 09/09/2004 | US20040173541 Water treatment method and water treatment device |
| 09/09/2004 | US20040173538 drier sludge cake and waste water that can be discharged into a municipal sewer system prior to further treatment in a municipal waste water treatment facility |
| 09/09/2004 | US20040173536 device that absorbs and separates oil from oil-water mixtures which involves combining a hydrophobic absorbent material with a support which gives the absorbent a place to reside; hydrophobic fluorine containing sol-gels and aerogels |
| 09/09/2004 | US20040173535 Serviceable electrodeionization apparatus and method for resin refill |
| 09/09/2004 | US20040173532 yields drinking water containing minerals and prevents backgrowth of bacteria from the outlet; series or serially smaller pore sized filters |
| 09/09/2004 | US20040173528 Pumps for filtration systems |
| 09/09/2004 | US20040173526 Aerobic digester for bodily waste material |
| 09/09/2004 | US20040173525 minor addition of alkaline material sufficient to raise pH to 7.5 to 9 results in a reduction of at least about 10% of nitrate containing compounds that must be added to the stream to significantly reduce or eliminate dissolved sulfides downstream |
| 09/09/2004 | US20040173524 decomposition of organic matter and ammonium/ammonia are carried out in two or more sections divided by a precipitation chamber, and in that said plant further includes an aerated primary settling tank; immersed aerated bio filter plant |
| 09/09/2004 | US20040173514 Automatic chemical feed system |
| 09/09/2004 | US20040173510 Back washing valve and filtering apparatus with the same |
| 09/09/2004 | US20040173507 Water treatment device with fill-counting cartridge |
| 09/09/2004 | US20040173471 nitrates concentrated by ion-exchange, electrodialysis and/or reverse osmosis; nitrates destroyed by electrolysis operation for nitrate destruction by electrochemical reduction |
| 09/09/2004 | US20040173463 Method for production of printed wiring board |
| 09/09/2004 | US20040173451 Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separation systems |
| 09/09/2004 | US20040172985 Electric washing machine |
| 09/09/2004 | DE202004010794U1 Apparatus for converting water supply to oxygen- and ozone-enriched, electrolyzed water has two filters, followed by storage tank , to which ozone generator and mixer are connected |
| 09/09/2004 | DE202004010727U1 Reinigungssystem zur Herstellung dauerhaft naturnaher Wässer Cleaning system for producing durable semi-natural waters |
| 09/09/2004 | DE10308837A1 System for processing liquids, especially water purification plant, comprises two vessels, especially secondary settling tank and skimming trough, separated by tubular membrane which is inflated to prevent liquid flow |
| 09/09/2004 | DE10308660A1 Small-scale effluent water aeration tank has sub-surface water pump supplying above-surface mixer section for air and water |
| 09/09/2004 | DE10308123A1 Ozonsauggerät und Überwachungsgerät kombinierendes Wasseraufbereitungssystem Ozonsauggerät and monitor a combining water treatment system |
| 09/09/2004 | DE10256584B4 Reinstwasserversorgungsanlage für Dialysegeräte Reinstwasserversorgungsanlage for dialysis equipment |
| 09/09/2004 | DE10237674B4 Verfahren und dazugehörige Einrichtungen zur Entfernung von Inkrustationen und Biofilmen in Fluidsystemen Procedures and associated equipment to remove incrustations and biofilms in fluid systems |
| 09/09/2004 | DE10147842B4 Vorrichtung zur magnetisch geordneten Elektrodeionisation Apparatus for magnetically ordered Electrodeionisation |
| 09/08/2004 | EP1454886A1 Process for disposal of calcareous mud |
| 09/08/2004 | EP1454885A2 Portable ozone treatment system for swimming pools |
| 09/08/2004 | EP1454671A1 A catalyst for use in production of hydrogen by conversion of organic matter in water |
| 09/08/2004 | EP1454527A1 Microbiocide for disinfection of industrial water circulation systems |
| 09/08/2004 | EP1454188A1 Method for preparing a new composite material with improved efficiency and said new composite material |
| 09/08/2004 | EP1454036A2 Photolytic oxygenator with carbon dioxide fixation and separation |
| 09/08/2004 | EP1454018A1 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 09/08/2004 | EP1453761A1 Apparatus for offering and dispensing mineral water suitable for consumption |
| 09/08/2004 | EP1453592A1 Dual head pump driven membrane system |
| 09/08/2004 | EP1453585A1 Low spillage replaceable water filter assembly |
| 09/08/2004 | EP1453584A1 Process and apparatus for waste water treatment |
| 09/08/2004 | EP1373147B1 Method and device for the anaerobic purification of a slurry containing organic constituents |
| 09/08/2004 | EP1341591A4 Saline/sewage water reclamation system |
| 09/08/2004 | EP1265936B1 Superabsorbent materials based on butyl rubber process for making said materials and use of them |
| 09/08/2004 | EP1217886B1 Waste-water purification in cattle-breeding systems |
| 09/08/2004 | EP1140705B1 Method and apparatus for microfiltration |
| 09/08/2004 | EP1084002B1 Method and system for cleaning semiconductor elements |
| 09/08/2004 | CN2639294Y Automatic induction water intake device of ozone water generator |
| 09/08/2004 | CN2639293Y High-efficient multifunction papermaking black liquid treatment device |
| 09/08/2004 | CN2639292Y Bio-energy gain apparatus |
| 09/08/2004 | CN2639291Y Electrolytical equipment for waste water treatment |
| 09/08/2004 | CN2639290Y Hyperfilevation water purifying machine |
| 09/08/2004 | CN2639289Y Improved siphon water purifier |
| 09/08/2004 | CN2639288Y Filter core of water purifier |
| 09/08/2004 | CN2639287Y Water purifier with advertisement light box |
| 09/08/2004 | CN2639286Y Sewage purification equipment for ceramic processing |
| 09/08/2004 | CN2639285Y Powerless automatic cleaning water supply apparatus based on quality |
| 09/08/2004 | CN2639284Y Air-floated movable filter pond |
| 09/08/2004 | CN2639283Y Vortex-turbular combined vortex reactor |
| 09/08/2004 | CN2639282Y Recoverying treatment device for intermediate water of cleaning vehicle |
| 09/08/2004 | CN2639281Y Salt dissolving drum |
| 09/08/2004 | CN2638834Y Plate chocking flow type reactor |
| 09/08/2004 | CN1527738A Compositions of insoluble magnesium containing minerals for use in fluid filtration |
| 09/08/2004 | CN1526890A Drainage treating apparatus |
| 09/08/2004 | CN1526662A Softening and coagulating treatment process of gas scrubbing water |
| 09/08/2004 | CN1526659A Mutation-resisting water purifying plant prepn and its prepn process |
| 09/08/2004 | CN1526658A Mineral reinforced drinking water |
| 09/08/2004 | CN1526657A Prepn of chromium plating waste water treating agent |
| 09/08/2004 | CN1526656A Treating process of chromium plating waste water |
| 09/08/2004 | CN1526655A Liquid ion separating method and device |
| 09/08/2004 | CN1526654A Water treating magnetoelectric dialysis process |
| 09/08/2004 | CN1526653A Opened low-voltage DC electrochemical sterilizer |
| 09/08/2004 | CN1526652A Continuous circular flow-type optoelectric catalytic fixed bed reactor with 3D electrodes and its organic sewage treating method |