Patents for C02F 7 - Aeration of stretches of water (3,263)
08/2007
08/01/2007CN101007676A Aeration device for polluted water purification processing and water scene, and its production method and usage method
08/01/2007CN101007244A Preparation method of active liquid containing micro-gas and implementation method using said liquid
07/2007
07/26/2007DE202007006558U1 Vorrichtung für die Einleitung von Gasen in Flüssigkeiten Device for the introduction of gases in liquids
07/18/2007EP1713957A4 Flow-through oxygenator
07/11/2007CN2920989Y Vane type aerater support arm
07/11/2007CN2920988Y Counter-flow type siphon oxygen supply device
07/04/2007CN2918407Y Multi-pipe jetting type oxygen aerator
07/04/2007CN2918406Y Aeration system
07/04/2007CN2917811Y Rotary spray enlargement type spray cap
06/2007
06/27/2007CN1986452A Vane wheel of surface aerator
06/27/2007CN1323040C Multifunction water pumping aerator
06/20/2007EP1797013A2 Vessel with oxygenation system and decontamination method
06/20/2007CN1981574A Aquiculturing system process for works with circulating water
06/13/2007CN1978039A Horizontal oscillation jet-flow mixing integrated device
05/2007
05/30/2007CN2905776Y Multifunctional oxygen-supplying aerator
05/30/2007CN2905774Y Disc type diaphragm microporous aeration equipment
05/30/2007CN1969617A Energy-saving oxygen charging device
05/23/2007CN2903042Y Energy saving type oxygenating device
05/23/2007CN2903041Y Rotary impeller machine for improving water quality
05/09/2007CN1960949A Advanced purification system utilizing closed water area by 'void of water area'
05/09/2007CN1958480A Magnetometric submersible type bleeding machine
05/09/2007CN1958464A Aerator of quartz micropores
05/02/2007CN2895405Y Submersible aeration machine impeller
05/02/2007CN2895404Y Web-wheel type automatic aerator
05/02/2007CN2894265Y Support device for impeller type automatic aerator
04/2007
04/25/2007CN2892848Y Polymer membrane and sealing piece integrated aerator
04/25/2007CN1312060C Lake purification system for controlling algae growth effectively and method thereof
04/18/2007CN2890042Y Reduction box for cultivation machine
04/18/2007CN2890041Y Profiled quartz microporous aerator
04/18/2007CN1948186A Propeller vane aerator
04/11/2007CN2887057Y A jet-flow type oxygen supplying machine
04/04/2007CN2885850Y Plastic-layer iron-pipe type support arm of impeller aerator
04/04/2007CN2885849Y Device for simulating re-suspension of sediment in water
04/04/2007CN2884890Y Impeller blade body of impeller type oxygen charger
04/04/2007CA2522121A1 Aeration system
03/2007
03/29/2007DE202006015736U1 Tiefenwasserableitung Deep drainage
03/28/2007EP1767498A1 Aeration method, aeration apparatus and aeration system
03/28/2007CN2883358Y Water plants biomembrane circulation pushing water treatment unit
03/28/2007CN1935702A Section combined lifting sewage aeration apparatus
03/21/2007CN2880231Y Magnetic diving type aerator
03/21/2007CN2880230Y Magnetic spraying type aerator
03/21/2007CN1932171A Domestic washing waste water reutilizing system apparatus
03/21/2007CN1931731A Water treatment method and water treatment apparatus
03/21/2007CN1930955A Water wheel type ventilator
03/14/2007CN2878370Y Inverse-umbrella type aeration machine
03/14/2007CN2877284Y Hydraulic pressure oxygen inflator
03/14/2007CN1927741A Stick-type impeller helix oxygen-increasing machine
02/2007
02/28/2007EP1112773B1 System and method for generating gas micro-bubbles in a liquid
02/28/2007CN2873765Y Water wheel type tubular propeller aerator
02/28/2007CN2873764Y Jet flow type aerator
02/28/2007CN2873763Y Jet surging type aerator
02/28/2007CN1918977A Hydraulic pressure oxygenate apparatus
02/21/2007CN2871523Y Rotary jet oxygen increaser
02/21/2007CN2871522Y Reversed-umbrella impeller of detachable large-diameter deep water
02/21/2007CN1915856A Bleeding technique with no power in processing organic waste water
02/20/2007US7179387 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
02/15/2007DE112005000663T5 Wasserreinigungsvorrichtung Water purification system
02/14/2007CN1914123A Gas-liquid dissolution apparatus
02/14/2007CN1911003A Industrial and three-crops a year type prown cutturing method, and pond therefor
02/14/2007CN1300019C River way type sewage treatment system
02/14/2007CN1300018C Process of forming an oxidizing agent in liquid by use of ringing magnetic flux
02/14/2007CN1300016C River late water purification method and its special flowing aeration equipment
02/07/2007CN2866493Y Submersible propelling aerator
02/07/2007CN2866492Y Efficient energy-saving water circulating aeration water purifier
02/07/2007CN1908835A Urban sewage gas flow intelligent control device
02/07/2007CN1907551A Micro bubble generation device
01/2007
01/31/2007CN2863783Y Pulse jet aeration reactor
01/31/2007CN2862689Y Multifunctional aquarium automatically oxygenating controller
01/31/2007CN1903749A Device for producing oxygen-rich water and method thereof
01/31/2007CN1297490C Apparatus and method for treating river and lake water
01/24/2007CN1296295C Submarine and mixed oxygen-enriched magnetic oxygen charger
01/17/2007CN2858638Y Arch-type multi-headed slow release aeration machine
01/10/2007CN1894439A Flow-through oxygenator
01/03/2007CN2853788Y High-efficient fluidic automatic aerotor
01/03/2007CN2853787Y Pump type deep water impeller
01/03/2007CN2853786Y Impeller of rotation brush aeration machine
01/03/2007CN2853785Y Deep water type impeller
01/03/2007CN2853784Y Wing type deep water impeller
01/03/2007CN1887750A 曝气设备 Aeration equipment
01/03/2007CN1292999C Efficient ecological waste water treating apparatus and method
01/02/2007US7156988 Floating product removal
12/2006
12/27/2006CN2851257Y Aeration device for making microporous sintering pipe with different air-discharging resistance
12/27/2006CN2850278Y Screen water film aerating and oxygen charging device
12/27/2006CN1884142A Floating type energy-saving water-ploughing machine and method for determination of performance parameter thereof
12/20/2006EP1734012A1 Gas-liquid dissolution apparatus
12/20/2006CN1290780C Directly purifying method for ground surface water
12/07/2006CA2610327A1 Process and apparatus for increasing biological activity in waste treatment in bodies of water
12/06/2006CN2844111Y Deposited gas-liquid agitating mixed aerator
12/06/2006CN1872741A Blade, aeration combined typed bleeding machine
12/06/2006CN1872740A Countercurrent type siphonic oxygen supply
12/06/2006CN1871900A Oxygenating method for breeding aquatic creature or temporary breeding water body
11/2006
11/29/2006CN2841648Y Internal aeration type aerating apparatus
11/21/2006US7137620 Diffuser and an aeration apparatus equipped with such a diffuser
11/16/2006WO2006121074A1 Method of purifying water area
11/15/2006CN2837298Y Inverted umbrella type surface aerator
11/08/2006CN2835235Y Adjustable mounting support for aerator
11/08/2006CN2835224Y Pressurized magnetized screw aerator
11/01/2006CN2832803Y Plastic aerator impeller
10/2006
10/31/2006US7128830 Purifying device
10/25/2006EP1713957A2 Flow-through oxygenator
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33