Patents for C02F 7 - Aeration of stretches of water (3,263) |
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08/01/2007 | CN101007676A Aeration device for polluted water purification processing and water scene, and its production method and usage method |
08/01/2007 | CN101007244A Preparation method of active liquid containing micro-gas and implementation method using said liquid |
07/26/2007 | DE202007006558U1 Vorrichtung für die Einleitung von Gasen in Flüssigkeiten Device for the introduction of gases in liquids |
07/18/2007 | EP1713957A4 Flow-through oxygenator |
07/11/2007 | CN2920989Y Vane type aerater support arm |
07/11/2007 | CN2920988Y Counter-flow type siphon oxygen supply device |
07/04/2007 | CN2918407Y Multi-pipe jetting type oxygen aerator |
07/04/2007 | CN2918406Y Aeration system |
07/04/2007 | CN2917811Y Rotary spray enlargement type spray cap |
06/27/2007 | CN1986452A Vane wheel of surface aerator |
06/27/2007 | CN1323040C Multifunction water pumping aerator |
06/20/2007 | EP1797013A2 Vessel with oxygenation system and decontamination method |
06/20/2007 | CN1981574A Aquiculturing system process for works with circulating water |
06/13/2007 | CN1978039A Horizontal oscillation jet-flow mixing integrated device |
05/30/2007 | CN2905776Y Multifunctional oxygen-supplying aerator |
05/30/2007 | CN2905774Y Disc type diaphragm microporous aeration equipment |
05/30/2007 | CN1969617A Energy-saving oxygen charging device |
05/23/2007 | CN2903042Y Energy saving type oxygenating device |
05/23/2007 | CN2903041Y Rotary impeller machine for improving water quality |
05/09/2007 | CN1960949A Advanced purification system utilizing closed water area by 'void of water area' |
05/09/2007 | CN1958480A Magnetometric submersible type bleeding machine |
05/09/2007 | CN1958464A Aerator of quartz micropores |
05/02/2007 | CN2895405Y Submersible aeration machine impeller |
05/02/2007 | CN2895404Y Web-wheel type automatic aerator |
05/02/2007 | CN2894265Y Support device for impeller type automatic aerator |
04/25/2007 | CN2892848Y Polymer membrane and sealing piece integrated aerator |
04/25/2007 | CN1312060C Lake purification system for controlling algae growth effectively and method thereof |
04/18/2007 | CN2890042Y Reduction box for cultivation machine |
04/18/2007 | CN2890041Y Profiled quartz microporous aerator |
04/18/2007 | CN1948186A Propeller vane aerator |
04/11/2007 | CN2887057Y A jet-flow type oxygen supplying machine |
04/04/2007 | CN2885850Y Plastic-layer iron-pipe type support arm of impeller aerator |
04/04/2007 | CN2885849Y Device for simulating re-suspension of sediment in water |
04/04/2007 | CN2884890Y Impeller blade body of impeller type oxygen charger |
04/04/2007 | CA2522121A1 Aeration system |
03/29/2007 | DE202006015736U1 Tiefenwasserableitung Deep drainage |
03/28/2007 | EP1767498A1 Aeration method, aeration apparatus and aeration system |
03/28/2007 | CN2883358Y Water plants biomembrane circulation pushing water treatment unit |
03/28/2007 | CN1935702A Section combined lifting sewage aeration apparatus |
03/21/2007 | CN2880231Y Magnetic diving type aerator |
03/21/2007 | CN2880230Y Magnetic spraying type aerator |
03/21/2007 | CN1932171A Domestic washing waste water reutilizing system apparatus |
03/21/2007 | CN1931731A Water treatment method and water treatment apparatus |
03/21/2007 | CN1930955A Water wheel type ventilator |
03/14/2007 | CN2878370Y Inverse-umbrella type aeration machine |
03/14/2007 | CN2877284Y Hydraulic pressure oxygen inflator |
03/14/2007 | CN1927741A Stick-type impeller helix oxygen-increasing machine |
02/28/2007 | EP1112773B1 System and method for generating gas micro-bubbles in a liquid |
02/28/2007 | CN2873765Y Water wheel type tubular propeller aerator |
02/28/2007 | CN2873764Y Jet flow type aerator |
02/28/2007 | CN2873763Y Jet surging type aerator |
02/28/2007 | CN1918977A Hydraulic pressure oxygenate apparatus |
02/21/2007 | CN2871523Y Rotary jet oxygen increaser |
02/21/2007 | CN2871522Y Reversed-umbrella impeller of detachable large-diameter deep water |
02/21/2007 | CN1915856A Bleeding technique with no power in processing organic waste water |
02/20/2007 | US7179387 sequestering a sector of water within a body of water; suspending a substantially water-impermeable barrier from a floating support to form water column where remediation takes place |
02/15/2007 | DE112005000663T5 Wasserreinigungsvorrichtung Water purification system |
02/14/2007 | CN1914123A Gas-liquid dissolution apparatus |
02/14/2007 | CN1911003A Industrial and three-crops a year type prown cutturing method, and pond therefor |
02/14/2007 | CN1300019C River way type sewage treatment system |
02/14/2007 | CN1300018C Process of forming an oxidizing agent in liquid by use of ringing magnetic flux |
02/14/2007 | CN1300016C River late water purification method and its special flowing aeration equipment |
02/07/2007 | CN2866493Y Submersible propelling aerator |
02/07/2007 | CN2866492Y Efficient energy-saving water circulating aeration water purifier |
02/07/2007 | CN1908835A Urban sewage gas flow intelligent control device |
02/07/2007 | CN1907551A Micro bubble generation device |
01/31/2007 | CN2863783Y Pulse jet aeration reactor |
01/31/2007 | CN2862689Y Multifunctional aquarium automatically oxygenating controller |
01/31/2007 | CN1903749A Device for producing oxygen-rich water and method thereof |
01/31/2007 | CN1297490C Apparatus and method for treating river and lake water |
01/24/2007 | CN1296295C Submarine and mixed oxygen-enriched magnetic oxygen charger |
01/17/2007 | CN2858638Y Arch-type multi-headed slow release aeration machine |
01/10/2007 | CN1894439A Flow-through oxygenator |
01/03/2007 | CN2853788Y High-efficient fluidic automatic aerotor |
01/03/2007 | CN2853787Y Pump type deep water impeller |
01/03/2007 | CN2853786Y Impeller of rotation brush aeration machine |
01/03/2007 | CN2853785Y Deep water type impeller |
01/03/2007 | CN2853784Y Wing type deep water impeller |
01/03/2007 | CN1887750A 曝气设备 Aeration equipment |
01/03/2007 | CN1292999C Efficient ecological waste water treating apparatus and method |
01/02/2007 | US7156988 Floating product removal |
12/27/2006 | CN2851257Y Aeration device for making microporous sintering pipe with different air-discharging resistance |
12/27/2006 | CN2850278Y Screen water film aerating and oxygen charging device |
12/27/2006 | CN1884142A Floating type energy-saving water-ploughing machine and method for determination of performance parameter thereof |
12/20/2006 | EP1734012A1 Gas-liquid dissolution apparatus |
12/20/2006 | CN1290780C Directly purifying method for ground surface water |
12/07/2006 | CA2610327A1 Process and apparatus for increasing biological activity in waste treatment in bodies of water |
12/06/2006 | CN2844111Y Deposited gas-liquid agitating mixed aerator |
12/06/2006 | CN1872741A Blade, aeration combined typed bleeding machine |
12/06/2006 | CN1872740A Countercurrent type siphonic oxygen supply |
12/06/2006 | CN1871900A Oxygenating method for breeding aquatic creature or temporary breeding water body |
11/29/2006 | CN2841648Y Internal aeration type aerating apparatus |
11/21/2006 | US7137620 Diffuser and an aeration apparatus equipped with such a diffuser |
11/16/2006 | WO2006121074A1 Method of purifying water area |
11/15/2006 | CN2837298Y Inverted umbrella type surface aerator |
11/08/2006 | CN2835235Y Adjustable mounting support for aerator |
11/08/2006 | CN2835224Y Pressurized magnetized screw aerator |
11/01/2006 | CN2832803Y Plastic aerator impeller |
10/31/2006 | US7128830 Purifying device |
10/25/2006 | EP1713957A2 Flow-through oxygenator |