| Patents for C02F 7 - Aeration of stretches of water (3,263) |
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| 11/12/2008 | CN101302061A Device for discharging gases into liquids |
| 11/12/2008 | CN100431986C Tanning technology for treatment and reuse of waste chrome liquor of bate without discharge and its treatment device |
| 10/29/2008 | CN201138988Y Waterwheel oxygen increasing machine bearing support with adjustable height |
| 10/29/2008 | CN201138986Y Oxygen lack control device for fish |
| 10/29/2008 | CN101293703A Apparatus for treating reinforced concrete structure deep well aeration waste water and prepraring method thereof |
| 10/22/2008 | CN201136821Y Cavltation aerator |
| 10/22/2008 | CN100426956C Hydraulic pressure oxygenate apparatus |
| 10/15/2008 | CN201132804Y Submersible centrifugal aeration machine with stirring device |
| 10/15/2008 | CN201132803Y Fine air bubble aeration pipe for sewage disposal |
| 10/15/2008 | CN201132802Y Sludge-clearing automatic aerator for sight pool |
| 10/15/2008 | CN201132792Y Novel floating oxygenating and plug flow aerator |
| 10/15/2008 | CN201131229Y An oxygen supply device for living aquatic products transportation |
| 10/15/2008 | CN201131224Y Oil-free sliding vane type aerator |
| 10/15/2008 | CN101284696A Biloded wheel aeration machine under water |
| 10/08/2008 | CN201128704Y Centrifugal type activating aeration automatic aerator |
| 10/08/2008 | CN201128692Y Electrocatalysis iron carbon internal electrolytsis apparatus |
| 10/08/2008 | CN201128691Y Electrolytic apparatus for aeration fluidized bed |
| 10/08/2008 | CN201127232Y Fish tank ultrasonic oxygen-adding machine |
| 10/08/2008 | CN201127229Y Hydrostatic transmission impeller type aerator |
| 10/08/2008 | CN100424023C Countercurrent type siphonic oxygen supply |
| 10/02/2008 | US20080237901 Water Purifying Apparatus |
| 10/01/2008 | CN201123315Y Simple oxygenation machine |
| 10/01/2008 | CN101274805A Hydraulic oxygen increasing water self-cleaning screen |
| 10/01/2008 | CN101274804A Comprehensive energy-saving method for sewage disposal |
| 10/01/2008 | CN101274787A Wind energy-solar energy complementary ultrasonic algae-removing device and method |
| 10/01/2008 | CN101274661A Combination type pontoon |
| 10/01/2008 | CN100421550C Water wheel type ventilator |
| 09/24/2008 | CN201121154Y Air bubble type fish pond oxygen increasing machine |
| 09/24/2008 | CN201119353Y Automatic control oxygen increasing machine |
| 09/24/2008 | CN201119350Y Flap wheel of waterwheel oxygen supplying machine and fan blade assembly structure |
| 09/24/2008 | CN101268770A Rectangle oxygenation agent regulating mechanism |
| 09/18/2008 | WO2008085625A3 Composite aerator shaft and self-centering coupling |
| 09/18/2008 | DE102007012030A1 Off-shore sweet water reservoirs, at river estuaries and melting ice, are immersed and stable to provide sweet water through dynamic equilibrium of two different mineralized fields |
| 09/17/2008 | CN201116288Y Oar blade type oxygen increasing machine |
| 09/17/2008 | CN201115378Y Pipeline water conveyance type oxygenation equipment |
| 09/17/2008 | CN101264983A System and device for treating water pollution by biological cultivation |
| 09/17/2008 | CN101263800A Cylinder type oxygenates regulating device |
| 09/03/2008 | CN201109748Y Combined pressurization emulsifier |
| 09/03/2008 | CN201109743Y Oxygen-exposing apparatus |
| 09/03/2008 | CN101254965A Device and method for algae removal |
| 09/03/2008 | CN101254955A Water circulation systems for ponds, lakes, and other bodies of water |
| 09/03/2008 | CN101254954A Water circulation systems for ponds, lakes, and other bodies of water |
| 08/28/2008 | US20080202995 Flow-through oxygenator |
| 08/27/2008 | CN201104432Y Oxygenation apparatus |
| 08/27/2008 | CN101250001A Novel V-shaped strip type microporous tube aeration device with uniform gas distribution |
| 08/21/2008 | US20080197083 Waste treatment; upstream of treatment facility is plant filter bed; fermentation |
| 08/20/2008 | CN201101056Y Fish pond |
| 08/20/2008 | CN201101055Y Oxygenation equipment for fish pond |
| 08/20/2008 | CN101244874A Pressing in punching-expanding type pool oxygenation technique |
| 08/20/2008 | CN101244873A Aeration machine impeller |
| 08/20/2008 | CN101244868A Optimization design method for jet aeration wastewater treatment reactor |
| 08/20/2008 | CN101243779A Oxygenation method on bottom of crab cultivation pool by using aeration device |
| 08/13/2008 | CN201099645Y Flotage type solar energy recirculated water processor |
| 08/13/2008 | CN201099644Y Flotage type solar energy aeration system |
| 08/13/2008 | CN201099642Y Aeration device |
| 08/13/2008 | CN201097555Y Impeller type automatic aerator composite support arm |
| 08/13/2008 | CN201097553Y Spewing type oxygen increasing machine for cultivation pond |
| 08/13/2008 | CN201097552Y Modified type swinging oxygenation device |
| 08/13/2008 | CN101239758A Method for treating sulfur-containing waste water |
| 08/07/2008 | US20080185344 Aeration Method, Aeration Apparatus and Aeration System |
| 08/06/2008 | CN201095614Y Outer pipe type magnetization aerator |
| 08/06/2008 | CN201095613Y Plastic layer supporting arm for impeller aerator |
| 08/06/2008 | CN201094940Y Circumferential seam jet apparatus |
| 08/06/2008 | CN201094224Y Solar energy micropower micro-bubble generating device |
| 08/06/2008 | CN201094222Y Deep water bottom oxygenation device |
| 08/06/2008 | CN100408484C Microwave energy saving water purifier |
| 07/31/2008 | US20080179259 Flow-through oxygenator |
| 07/30/2008 | CN201092552Y Small-sized waste water aeration apparatus |
| 07/23/2008 | CN201089740Y Deep water potential aeration device |
| 07/23/2008 | CN201089732Y Strong ultrasound wave water treatment system |
| 07/23/2008 | CN201088074Y Fish container oxygenation device |
| 07/23/2008 | CN201088067Y Novel underwater oxygen supply pipe |
| 07/23/2008 | CN201088065Y Combined water mill oxygen increasing machine |
| 07/23/2008 | CN101224926A Highly effective oxygen dissolving device for fishpond circulating water |
| 07/23/2008 | CN100403887C Travalling tracting type pool aerator and its application method |
| 07/17/2008 | US20080169229 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/16/2008 | CN101219835A Method for purifying ultra-vast water and purifying device |
| 07/10/2008 | WO2008081554A1 System for improving total water qualities in eutrophicated and contaminated water area utilizing water purifying functions of various plants and microorganisms |
| 07/09/2008 | CN201082876Y Overflow weir type full-automatic highly effective recirculation aeration filter |
| 07/08/2008 | US7396456 Cruising aeration apparatus and method |
| 07/08/2008 | US7396441 Flow-through oxygenator |
| 07/02/2008 | CN201080455Y Oxygenating water purifying apparatus |
| 07/02/2008 | CN101209034A Double-blade impeller automatic aerator |
| 07/02/2008 | CN100398462C Vane of aerater |
| 06/25/2008 | CN201077797Y Aeration device |
| 06/25/2008 | CN201077796Y Aeration system air pipe water accumulation automatic emptier |
| 06/25/2008 | CN201077795Y Aeration pipe micro-resistance stable supporting pipe |
| 06/19/2008 | US20080142424 Gas-Liquid Dissolving Apparatus |
| 06/18/2008 | CN201074204Y Solar micro-power upwelling apparatus |
| 06/18/2008 | CN201074203Y Substratum oxygenation microporous aerating apparatus |
| 06/18/2008 | CN201074202Y Motor direct-connected cycloidal star wheel submerged propeller |
| 06/18/2008 | CN101200330A Submerged aeration machine |
| 06/11/2008 | CN201071322Y Aeration device gas distribution branch pipe fixing device |
| 06/11/2008 | CN201071321Y Rubber diaphragm microhole aerator |
| 06/11/2008 | CN100393638C Aerator of quartz micropores |
| 06/11/2008 | CN100393202C Aerator ejector |
| 06/05/2008 | US20080128344 Water circulation systems for ponds, lakes, and other bodies of water |
| 06/04/2008 | CN101190820A Aeration device for solar energy aeration boat |
| 06/04/2008 | CN101190819A Aeration device for wind energy aeration boat |
| 06/04/2008 | CN101190818A Wind energy solar energy aeration boat |