| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/02/2002 | EP1166851A1 Method of removing heavy metals from waste gases |
| 01/02/2002 | EP1166847A2 Apparatus for treating industrial waste products |
| 01/02/2002 | EP1166846A1 "Procedure for the treatment of gases and residues in sewage and composition plants" |
| 01/02/2002 | EP1166805A2 Multiple drainage apparatus |
| 01/02/2002 | EP1166382A1 Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes |
| 01/02/2002 | EP1165847A1 Cyanide recovery from aqueous ore processing solutions by solvent extraction |
| 01/02/2002 | EP1165450A1 Rust and scale removal composition and process |
| 01/02/2002 | EP1165447A1 Process for the removal of suspended and other material from waste water |
| 01/02/2002 | EP1165446A1 Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility |
| 01/02/2002 | EP1165445A1 Water purification |
| 01/02/2002 | EP1165444A1 Utilization of porphyrin derivatives in aquaria |
| 01/02/2002 | EP1165443A1 Water purification process |
| 01/02/2002 | EP1165261A1 Semiconductor wafer treatment |
| 01/02/2002 | EP1165148A1 Method and apparatus for sterilising a heat sensitive fluid |
| 01/02/2002 | EP1051599B1 A device for intensity measurement of uv light from a lamp and a uv-treatment plant equipped with such a device |
| 01/02/2002 | EP0876300B1 Use of thiourea compounds for controlling biofouling |
| 01/02/2002 | CN2469530Y Magnetizer |
| 01/02/2002 | CN2469357Y Quick heating type magnetic water purifier |
| 01/02/2002 | CN2469066Y Automatic water compensation and water saving type flushing closet |
| 01/02/2002 | CN2469057Y Wastewater reuse type water saving equipment |
| 01/02/2002 | CN2469054Y Water saving means for kitchen washing use |
| 01/02/2002 | CN2468999Y Water transformed type sterilization agent generator |
| 01/02/2002 | CN2468998Y Machine for filtering heavy metallic waste water |
| 01/02/2002 | CN2468997Y High performance and automatic cleaning type water treatment equipment |
| 01/02/2002 | CN2468996Y Equipment for producing weak acidic water or weak alkaline water |
| 01/02/2002 | CN2468558Y Miniature and automatic control water treatment equipment |
| 01/02/2002 | CN2468393Y High efficiency and health-care cup |
| 01/02/2002 | CN2468287Y Device for sterilizing and dissolved oxygen increasing in aquaculture industry |
| 01/02/2002 | CN1329578A Method and compositions for minimizing biological and colloidal fouling |
| 01/02/2002 | CN1329577A Method for iodination of water and beverages |
| 01/02/2002 | CN1329576A Electrolytic apparatus, methods purification of aqueous solutions and synthesis of chemicals |
| 01/02/2002 | CN1329515A Purifying device for liquid |
| 01/02/2002 | CN1328974A Device and method for treating feces, kitchen sewage and domestic sewage |
| 01/02/2002 | CN1328973A Circulating fecal treatment device and method |
| 01/02/2002 | CN1328971A Photocatalysis method for removing organics from waste water |
| 01/02/2002 | CN1328970A Cleaning agent of aqueous aluminium iron polysilicate waste water and its production method |
| 01/02/2002 | CN1328969A High-efficiency seawater desalination plant |
| 01/02/2002 | CN1328968A High-efficiency seawater desalination plant |
| 01/02/2002 | CN1328967A High-efficiency seawater desalination plant |
| 01/02/2002 | CN1328966A High-efficiency seawater desalination explosion-protection centrifugal isolation equipment |
| 01/02/2002 | CN1328965A Superhigh speed seawater desalination explosion-proof isolating device |
| 01/02/2002 | CN1328964A Transient seawater desalination plant |
| 01/02/2002 | CN1328868A Porous hollow fibre membrane and its manufacturing method |
| 01/02/2002 | CN1328867A Reverse osmose desalination microfiltration membrane pretreatment method |
| 01/02/2002 | CN1077087C Biocidal algae-killing agent and synthetic method for industrial water treatment |
| 01/01/2002 | US6334984 Divider horizontal baffle over cross section of shell |
| 01/01/2002 | US6334958 Process for minute dosing of gravity media filters |
| 01/01/2002 | US6334957 Method for reduction of flow resistance in pipes and ducts |
| 01/01/2002 | US6334956 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor |
| 01/01/2002 | US6334955 Fresh water generator and fresh water generating method |
| 01/01/2002 | US6334941 Ion exchanger in demineralizing compartments of electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between anode and cathode; requires no regeneration |
| 01/01/2002 | US6334936 Method for decoupled thermo-catalytic pollution control |
| 01/01/2002 | US6334886 Removal of corrosive contaminants from alkanolamine absorbent process |
| 01/01/2002 | US6334328 Sanitary ice making and dispensing apparatus |
| 01/01/2002 | CA2204568C Apparatus for removing microbes from flowing media, such as water |
| 12/28/2001 | CA2351746A1 Process for removing arsenic compounds from hydrogen fluoride |
| 12/27/2001 | WO2001098558A2 Corrosion control utilizing a hydrogen peroxide donor |
| 12/27/2001 | WO2001098362A2 Chemically-modified antimicrobial peptides, compositions and methods of production and use |
| 12/27/2001 | WO2001098218A2 Dynamic optimization of chemical additives in a water treatment system |
| 12/27/2001 | WO2001098217A1 Physico-chemical method for eliminating toxic and/or precious heavy metals contained in urban, industrial sludge and liquid animal manure |
| 12/27/2001 | WO2001098216A1 Method for producing water rich in calcium and water obtained |
| 12/27/2001 | WO2001098214A1 Methods for eliminating the formation of biofilm |
| 12/27/2001 | WO2001098213A1 Method and device for treating industrial effluents to eliminate organic and/or mineral pollution |
| 12/27/2001 | WO2001097868A1 The inactivation of nucleic acids using broad-spectrum pulsed light |
| 12/27/2001 | WO2001053211A3 Solar dew tube |
| 12/27/2001 | WO2001051421A3 F.o.t method for waste water |
| 12/27/2001 | WO2001047399A3 Electric water heating appliances |
| 12/27/2001 | WO2000067906A9 Apparatus and method of recirculating electrodeionisation |
| 12/27/2001 | US20010055534 Fluid pumping and separation apparatus |
| 12/27/2001 | US20010054966 System for monitoring the status of a water softener |
| 12/27/2001 | US20010054588 Passing through a porous bed comprising steel slag. |
| 12/27/2001 | US20010054586 Composition and method for removing suspended solids from wastewater |
| 12/27/2001 | US20010054583 Filter cartridge for water treatment device |
| 12/27/2001 | US20010054578 Dispersal valve with nesting canisters |
| 12/27/2001 | CA2413888A1 Corrosion control utilizing a hydrogen peroxide donor |
| 12/27/2001 | CA2412840A1 The inactivation of nucleic acids using broad-spectrum pulsed light |
| 12/27/2001 | CA2412011A1 Chemically-modified antimicrobial peptides, compositions and methods of production and use |
| 12/26/2001 | CN2467601Y Stable pressure storing water drinking water and domestic water qualities separating multifunction supply water tank |
| 12/26/2001 | CN2467598Y Water-saving device (A) |
| 12/26/2001 | CN2467591Y Water-saving storage water pool |
| 12/26/2001 | CN2467589Y Full-automatic water-saving device |
| 12/26/2001 | CN2467509Y Aeration self-cleaning terminal household water cleaner |
| 12/26/2001 | CN2467508Y Chlorine dioxide compound disinfectant generator |
| 12/26/2001 | CN2467507Y Large water throughput superhigh field high gradient magnetic water device |
| 12/26/2001 | CN2467506Y Water mixer |
| 12/26/2001 | CN2467505Y Resin high back washing apparatus for desalted water treatment system |
| 12/26/2001 | CN2467504Y Serial desalting water technology cascade flow regulating apparatus |
| 12/26/2001 | CN2467503Y Oil-water filter |
| 12/26/2001 | CN2467502Y Running water purifier |
| 12/26/2001 | CN2467501Y 净水器 Water Purifier |
| 12/26/2001 | CN2467500Y Distilled water machine with steam purifier |
| 12/26/2001 | CN2467499Y Decanter |
| 12/26/2001 | CN2467108Y Compound ultraviolet sterilizing device |
| 12/26/2001 | CN1328488A Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 12/26/2001 | CN1328482A Process for recovery of iodine from aqueous solutions containing iodinated organic compounds |
| 12/26/2001 | CN1328474A Steriliser |
| 12/26/2001 | CN1327954A Process and technology for treating sewage in oil field |
| 12/26/2001 | CN1327953A Process for treating waste liquid of furaldehyde and recovering butyl acetate, ammonium sulfate, ammonium acetate, acetamide and acetonitrile |
| 12/26/2001 | CN1327952A Equipment for purifying extractant of mineral oil in water and process for treating adsorbent |
| 12/26/2001 | CN1076713C Improved power plant water and ash treatment system |