| Patents for C02F 7 - Aeration of stretches of water (3,263) |
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| 05/20/2009 | CN201240932Y Ultramicro air bubble apparatus and dual-circulation ultramicro air bubble diffusion system |
| 05/20/2009 | CN201240931Y Load adjustable aeration apparatus for restoring sea water after desulphurization |
| 05/20/2009 | CN201239675Y High-molecular micropore carrier pipe |
| 05/20/2009 | CN201238534Y Aeration and oxygenation device on water-bed |
| 05/20/2009 | CN201238533Y Vane type oxygen increasing machine |
| 05/20/2009 | CN100488883C Water treatment method and water treatment apparatus |
| 05/13/2009 | CN201236168Y Aeration type oxygen increasing machine with polygon floating body |
| 05/13/2009 | CN101427663A Vane type oxygen increasing machine for air flue oxygenation |
| 05/07/2009 | US20090114603 Wastewater treatment |
| 05/06/2009 | CN201232042Y Solar upflow water processor |
| 05/06/2009 | CN201230519Y Combination type oxygen increasing mechanism |
| 05/06/2009 | CN101423302A Novel pump E type vertical surface aerating machine |
| 05/06/2009 | CN101423301A Submerged aerator with gas cylinder direct air-intake |
| 05/06/2009 | CN100484884C Ozone micron aerating device and reverse floating type sewage treating method |
| 04/29/2009 | CN201226733Y Efficient energy-saving micro-pore oxygen increasing device |
| 04/29/2009 | CN101417840A Black-odor river pollution treatment method |
| 04/22/2009 | CN101412570A Cooling oxygen supply method for fish pond |
| 04/22/2009 | CN101412569A Aeration water-drawing technology |
| 04/22/2009 | CN101411968A Gas-spreading device for aeration system |
| 04/22/2009 | CN101411309A Wind and light energy automatic aerator with water curtain for collecting winged insects for feeding fish in fish pond |
| 04/22/2009 | CN100479906C Film-type boring aeration pipe |
| 04/15/2009 | CN201219432Y Oxygenation equipment |
| 04/15/2009 | CN201219431Y Compartment type nano oxygenation tube for crabs and shrimps in pond |
| 04/15/2009 | CN100478282C Method for purifying water of culture pond |
| 04/08/2009 | CN201217642Y Integral support mould structure of circular aeration tank |
| 04/08/2009 | CN101402024A Ozone supply apparatus |
| 04/01/2009 | CN201214646Y Tubular microporous tube aeration apparatus |
| 04/01/2009 | CN201214645Y Novel V-shaped strip type microporous tube aeration apparatus |
| 04/01/2009 | CN201214644Y V-shaped microporous tube aeration apparatus employing adjustable partial pressure joint |
| 04/01/2009 | CN201214643Y Blower fan or oxygenating pump with both sides setting V shaped microporous tube aeration apparatus |
| 04/01/2009 | CN201214642Y Microporous tube aeration apparatus employing adjustable partial pressure joint |
| 04/01/2009 | CN201214641Y Microporous tube with unequal aperture and density |
| 04/01/2009 | CN201214636Y Algae removal apparatus |
| 04/01/2009 | CN101397173A Air bubble type oxygen-enriching machine in fish pond |
| 03/25/2009 | CN101391842A Control and protection device of aeration aerating machine with wind and solar mutual-complementing power supply |
| 03/25/2009 | CN101390501A Solar energy wind energy fishery environment optimization breeding facility |
| 03/18/2009 | CN201210656Y Solar energy electricity generating aerator |
| 03/18/2009 | CN201207857Y Oxygen increasing hose for breeding |
| 03/11/2009 | CN201204873Y Precipitation sludge-collection and water-jet type oxygenation indoor circulating water fish pond |
| 03/11/2009 | CN201204871Y Fish pond oxygenation device |
| 03/11/2009 | CN101381171A Structure of suspension water-lifting aerator and usage method |
| 03/11/2009 | CN101381152A Composite aerator with space and method of use thereof |
| 03/11/2009 | CN101379954A Energy conservation equipment of aerator |
| 03/11/2009 | CN100467241C Plate-type aerator diaphragm perforation device |
| 03/11/2009 | CN100467105C Horizontal oscillation jet-flow mixing integrated device |
| 03/11/2009 | CN100467103C Distribution type dispersion atomization aeration aeration water quality regulating device |
| 03/04/2009 | CN101376539A Combined jet impeller underwater aeration machine |
| 03/04/2009 | CN101375673A Industrialized artificial seedling cultivation method for rockfishes |
| 02/25/2009 | CN201197319Y Underwater multiplex air bubble type oxygen increasing machine |
| 02/25/2009 | CN101372373A Socket wedge-shaped plug flow rotary aeration disc |
| 02/18/2009 | CN201195706Y Aeration hose support |
| 02/18/2009 | CN101367585A Novel water course aeration device, mounting, using method and uses thereof |
| 02/18/2009 | CN101367584A Floating multi-layer deep water oxygen increasing machine |
| 02/12/2009 | WO2009019275A1 Installation and method for reducing eutrophication in a basin |
| 02/11/2009 | CN201192033Y Ultra-microbubble water-body oxygen-increasing device |
| 02/04/2009 | CN201190130Y Aeration pipe arranging structure |
| 02/04/2009 | CN201190124Y Fast locking apparatus |
| 02/04/2009 | CN101357807A Centrifugal type double tube activation and aeration oxygen increasing machine |
| 02/04/2009 | CN100457644C Oxygenation antibiosis additive and producing technique thereof |
| 02/04/2009 | CN100457244C Gas-liquid dissolution apparatus |
| 02/04/2009 | CN100456925C Oxygen increasing disc |
| 01/28/2009 | CN201185608Y Cylinder type oxygenation agent regulator |
| 01/28/2009 | CN201185607Y Rectangle oxygenation agent regulator |
| 01/28/2009 | CN101352155A Vane type oxygen increasing machine |
| 01/28/2009 | CN100455526C Aeration inner circulation type garbage infiltration liquid two-phase treatment reactor |
| 01/22/2009 | DE102007033483A1 Tauchbelüfter Submersible aerator |
| 01/21/2009 | CN101347108A Oxygen increasing machine for aquiculture |
| 01/21/2009 | CN100453480C Inner aeration type aeration method and device |
| 01/21/2009 | CN100453155C Integral dispersion atomization aeration water quality regulating device |
| 01/14/2009 | CN101344005A Method for simultaneously mounting internal barrel and internals of deep well high pressure aeration reactor |
| 01/14/2009 | CN101344004A Mounting method of deep well high pressure aeration reactor steel drum |
| 01/14/2009 | CN101343112A Rotary aeration disc with water level indicator |
| 01/14/2009 | CN100450940C High-concentration biochemical aerator |
| 01/07/2009 | CN201176414Y Oxygen increasing machine of ball float in series type for pond |
| 01/07/2009 | CN201176403Y Aeration waste water treatment plant for deep well of reinforced concrete structure |
| 01/07/2009 | CN101338557A Water surface impeller |
| 01/07/2009 | CN101337733A Guide apparatus for inducing downward flow of surface water |
| 01/07/2009 | CN101336625A Solar energy fishing-position oxygenization fish-luring device |
| 01/06/2009 | US7472893 Swirling type micro-bubble generating system |
| 12/31/2008 | CN201171312Y Floating-body bracket of water mill bleeding machine with bearing seat |
| 12/24/2008 | WO2008155859A1 Water purification method and purification apparatus |
| 12/24/2008 | WO2008154861A1 A semi-submersible and wind power multifunction aerator |
| 12/24/2008 | EP2004556A2 Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water |
| 12/24/2008 | CN201168575Y Plate-like and disc-like aeration apparatus composed of aerator with gaps |
| 12/24/2008 | CN101328703A Design method of municipal traffic construction, underground pipeline layout and related fields |
| 12/17/2008 | CN201163935Y Portable rechargeable alternating current-direct current oxygenating pump |
| 12/17/2008 | CN101322481A Centrifugal type double-tube activating aeration oxygen increasing machine |
| 12/03/2008 | CN201158604Y Purifier for ultra-considerable water |
| 12/03/2008 | CN201158603Y Water quality improving apparatus |
| 12/03/2008 | CN201156915Y Economy type uniform oxygenation apparatus for artificial cultivation fish pond |
| 12/03/2008 | CN101314498A Wastewater treating and recycling system |
| 12/03/2008 | CN101314497A Wastewater treatment and reutilization process |
| 12/03/2008 | CN100439264C Section combined lifting sewage aeration apparatus |
| 12/03/2008 | CN100438752C Slewing gear of mobile automatic aerator |
| 11/26/2008 | CN201153443Y Aerating device |
| 11/26/2008 | CN201153440Y High efficiency oxygen dissolver for fish pond circulating water |
| 11/19/2008 | CN101306886A Wastewater treatment system and method |
| 11/12/2008 | CN201146750Y Waterwheel oxygen increasing machine impeller with adjustable diameter |
| 11/12/2008 | CN201146749Y Multiple labbering sink conjoined combined waterwheel oxygen-increasing machine impeller |
| 11/12/2008 | CN101302063A Industrial sewage processing unit and industrial sewage process method |