| Patents for C02F 7 - Aeration of stretches of water (3,263) |
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| 02/07/2006 | US6994329 Floating paddlewheel aerator |
| 02/01/2006 | CN2755083Y Assembled projecting oxidizing gully |
| 01/25/2006 | CN1237869C Water treatment method of circulating fish culture water in factory style |
| 01/18/2006 | CN2752329Y Sand raising double-oxygen fluidizing apparatus |
| 01/18/2006 | CN2752253Y Inverted umbrella shaped compound vane surface aerator |
| 01/04/2006 | EP1610887A1 Method for regenerating water with a low-oxygen atmosphere |
| 01/04/2006 | CN2749879Y Aeration blower for sewage treatment |
| 01/04/2006 | CN2749878Y 曝气搅拌结构 Aeration agitation structure |
| 12/28/2005 | CN1233573C Jet Aerating Reactor |
| 12/22/2005 | WO2005121031A1 Aeration method, aeration apparatus and aeration system |
| 12/22/2005 | WO2005051848A3 Apparatus for treating storm water |
| 12/22/2005 | US20050279713 System and method for dissolving gases in liquids |
| 12/22/2005 | CA2611719A1 Aeration method, aeration apparatus and aeration system |
| 12/15/2005 | WO2005118489A1 Advanced purification system utilizing closed water area by “void of water area” |
| 12/08/2005 | WO2005115598A2 System and method for dissolving gases in liquids |
| 11/17/2005 | WO2005108312A1 Fluid circulation system |
| 11/16/2005 | EP1594808A1 Method and device for increasing oxygen content of hypolimnion and for removing harmful gases in hypolimnion |
| 11/15/2005 | CA2246917C Aspirating aerator |
| 11/09/2005 | CN2739174Y Water fall aeration apparatus |
| 11/09/2005 | CN1226203C Apparatus and method for improving water quality of reservoir |
| 11/03/2005 | US20050242450 Aeration of wastewater ponds using airlift pumps |
| 11/03/2005 | US20050242028 Process for treating a body of water |
| 11/03/2005 | DE20221413U1 Floating paddle wheel aeration unit for fish farm or water effluent lagoon aeration is supported by right angled floating frames |
| 11/02/2005 | CN2737788Y Floating island solar energy water aerator |
| 10/27/2005 | WO2005100269A1 Water purifier |
| 10/26/2005 | EP1587762A2 Process for treating a body of water |
| 10/26/2005 | CN2736346Y Aeration spraying nozzle capable of producing negative ion dissolved oxygen |
| 10/26/2005 | CN2736345Y 改进的射流曝气器 Improved jet aerator |
| 10/12/2005 | EP1401774A4 Method of controlling contaminant flow into water reservoir |
| 10/12/2005 | CN2732732Y Push-flow type aerator with water activating and purifying function |
| 10/12/2005 | CN2732731Y Floating type aerator on water |
| 10/12/2005 | CN2732730Y Double-blade propeller |
| 10/12/2005 | CN2732727Y Novel aeration blower for sewage treatment |
| 10/12/2005 | CN1680196A Submarine and mixed oxygen-enriched magnetic oxygen charger |
| 10/12/2005 | CN1222477C Method for inhibiting pollutant releasement in water body |
| 10/06/2005 | US20050218533 Diffuser and an aeration apparatus equipped with such a diffuser |
| 10/05/2005 | CN2730863Y Fixator for aeration soft pipe |
| 09/28/2005 | EP1579116A2 Water circulation systems for ponds, lakes, and other bodies of water |
| 09/28/2005 | CN2729057Y Improved pipe millipore aeration apparatus |
| 09/28/2005 | CN2728228Y Rotary jet type automatic aerator |
| 09/28/2005 | CN1673122A Efficient ecological waste water treating apparatus and method |
| 09/22/2005 | DE102004010068A1 Process to reduce the presence of dissolved carbon dioxide in an acid water lagoon formed by mineral extraction |
| 09/21/2005 | CN2727456Y Air impeller for aerator |
| 09/21/2005 | CN2727166Y Swirl mixed strong cyclic aerator |
| 09/21/2005 | CN2727160Y Mobile micro-pore aerator integrated device |
| 09/14/2005 | CN1218888C Wave oxygenating and aerating unit |
| 09/14/2005 | CN1218775C Oxygen-enriching machine |
| 09/13/2005 | CA2390725C Internal drive aerator for body of liquid |
| 09/07/2005 | CN2723438Y Jet flow type combined gas and water distributor |
| 08/31/2005 | CN2721620Y Water purifier with aeration for providing oxygen and underwater impeller |
| 08/24/2005 | CN2719839Y Knockout-disk natural oxidation apparatus |
| 08/24/2005 | CN2719836Y Submersible flow-pushing aeration machine |
| 08/24/2005 | CN1657445A Inversed umbrella type composite impeller surface aeration machine |
| 08/23/2005 | CA2385902C Difusser saddle connection |
| 08/18/2005 | WO2005075365A1 Gas-liquid dissolution apparatus |
| 08/17/2005 | CN2717943Y Aerator motor with sealing structure |
| 08/17/2005 | CN1654371A Tanning technology for treatment and reuse of waste chrome liquor of bate without discharge and its treatment device |
| 08/10/2005 | CN2716257Y Shaking-proof and easily changeable tube type glue film aerator |
| 08/03/2005 | CN2714555Y Connection device for microporous aeration pipe |
| 08/03/2005 | CN1648074A Water directly purifying method for ground water |
| 07/28/2005 | US20050161409 Mixing, aeration or oxygenating apparatus |
| 07/28/2005 | DE10361630A1 System for cleaning and/or aerating standing water, e.g. at a reservoir, has a floating immersed pipe with a water flow through it and ozone delivered from a generator to its lower end through a diffuser |
| 07/27/2005 | CN2712917Y Multi stage type biological purification apparatus for sewage from river channel |
| 07/27/2005 | CN2712915Y Water purifying aerating device |
| 07/21/2005 | US20050155922 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/20/2005 | CN2711155Y High efficiency aerating and filtering machine utilizing water power of its-self |
| 07/20/2005 | CN1640827A Aeration air-flow control device for sewage treatment plant |
| 07/20/2005 | CN1640826A Aeration air-flow control device for sewage treatment plant |
| 07/20/2005 | CN1211297C Foaming aerating disc |
| 07/06/2005 | CN2707741Y Submersible stirring type oxygen-rich magnetic oxygen-filling machine |
| 06/30/2005 | WO2005058762A1 'an installation for the removal of pollutant materials and/or substances contained in water streams' |
| 06/30/2005 | WO2005058759A2 Flow-through oxygenator |
| 06/30/2005 | US20050142011 Water circulation systems for ponds, lakes, and other bodies of water |
| 06/30/2005 | CA2547162A1 Flow-through oxygenator |
| 06/29/2005 | CN1631800A Apparatus and method for treating river and lake water |
| 06/23/2005 | US20050133456 System and method for in-well aeration |
| 06/22/2005 | CN2705452Y Floating water quality purifying processing cabin |
| 06/22/2005 | CN2705451Y Floating algae killing water quality purifying cabin |
| 06/17/2005 | CA2478461A1 System and method for in-well aeration |
| 06/15/2005 | EP1337477B1 Improved aerator and mixer |
| 06/15/2005 | EP1183093B1 Counterbalanced dual submarine-type liquid mixer pairs |
| 06/15/2005 | CN1626462A Air-mixing unit of saturated dissolved oxygen |
| 06/15/2005 | CN1626461A Treating cabin for purifying floating water quality |
| 06/09/2005 | WO2005051848A2 Apparatus for treating storm water |
| 06/02/2005 | WO2004048777A3 Method and apparatus for circulating fluids in a body of liquid |
| 06/01/2005 | CN1621360A Self-closing perforated aeration pipe |
| 05/26/2005 | US20050109707 a stormwater separation tank that includes a container having a bottom, side walls and a cover to enclose the tank for treatment of the storm water; provides treatment to the water both during normal flows and also during the high flows occasioned by a heavy downpour |
| 05/25/2005 | EP1066220B1 Method and pump for impelling water in waters |
| 05/25/2005 | CN2701259Y Impeller-type automatic aerator plastic impeller |
| 05/25/2005 | CN1618744A River late water purification method and its special flowing aeration equipment |
| 05/25/2005 | CN1203259C Jetting Roots aeration machine |
| 05/18/2005 | CN2699666Y Clutch type watermill automatic aerator |
| 05/18/2005 | CN2699664Y Water magnetized type automatic aerator impeller |
| 05/18/2005 | CN1202026C Efficient biochemical treamtent method equipment for domestic sewage |
| 05/11/2005 | CN2698071Y Electromechanical dual-purpose impeller-type aerator |
| 05/11/2005 | CN1615176A Diffuser and aerating apparatus therewith |
| 05/04/2005 | CN2697086Y Aeration machine used under liquid |
| 05/04/2005 | CN2696316Y High-pressure inflation type aerator |
| 04/27/2005 | CN2695438Y High efficient aeration machine |
| 04/20/2005 | EP1349814A4 Apparatus and method for improving water quality of reservoir |