| Patents for C02F 7 - Aeration of stretches of water (3,263) |
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| 02/12/2014 | CN203428971U Micro-pore aeration equipment |
| 02/12/2014 | CN103570181A Treatment technology of oily sewage of biodiesel factories |
| 02/12/2014 | CN103570178A Device for treating high-concentration ammonia-nitrogen in metallurgical wastewater |
| 02/12/2014 | CN103570174A Device for treating high-concentration ammonia nitrogen in garbage leachate in gravity recharging way by using surfactant |
| 02/12/2014 | CN103570146A Solar movable water layer exchange and oxygenation device |
| 02/12/2014 | CN102334460B Pumping type aerator for preventing hot air from flowing back |
| 02/10/2014 | DE202014000122U1 Energieautarker Allwetter-Gewässerbelüfter mit vergrößerter Schwimmbasis unter der Wasserlinie Energy-autonomous all-weather Gewässerbelüfter with enlarged base swimming below the waterline |
| 02/05/2014 | CN103553251A Method for treating composite polluted underground water under low temperature condition |
| 02/05/2014 | CN103553224A Aquatic water micro-electrolysis treatment system |
| 02/05/2014 | CN103553223A Microporous aeration oxygen-increasing device |
| 02/05/2014 | CN102583798B Low-speed plug-flow aerating/stirring dual-purpose machine |
| 02/05/2014 | CN102283164B Combined flow-jetting and oxygenation water-plowing machine |
| 01/29/2014 | CN203411401U Novel river channel aeration and oxygenation device |
| 01/29/2014 | CN203411400U Round anti-blocking aerator |
| 01/29/2014 | CN203411399U Air distributor |
| 01/29/2014 | CN203411398U Multi-pipe row-up PE microporous aerator |
| 01/29/2014 | CN203411356U Circular pipe type air distributor |
| 01/29/2014 | CN103539275A Bushing type jet aerator |
| 01/29/2014 | CN103539274A Microporous aerating oxygenation device for oxygenating water body |
| 01/29/2014 | CN103539273A Aeration rotating brush |
| 01/29/2014 | CN103539272A Novel submersible water impeller blade wheel |
| 01/22/2014 | CN203402971U Carbon aeration tank |
| 01/22/2014 | CN203402970U Barrel-type rotary mixing aerator |
| 01/22/2014 | CN203402969U Air pipe fixing device |
| 01/22/2014 | CN203402968U High-efficiency integrated aerating device for sewage treatment |
| 01/22/2014 | CN103523998A Purification method of controlling foreign pollution source and ecologically restoring black-odor riverway |
| 01/22/2014 | CN103523941A Plug-flow, stirring and aerating integrated comprehensive machine |
| 01/22/2014 | CN103523940A Controllable powerless aeration device |
| 01/15/2014 | CN203392939U Aeration device of biological sewage treatment tank |
| 01/15/2014 | CN203392938U Suspended type aeration disk |
| 01/15/2014 | CN203392937U 智能型潜水曝气机 Intelligent diving aerator |
| 01/15/2014 | CN103508630A Industrial wastewater treatment system |
| 01/15/2014 | CN103508598A Bean product waste water treatment technology |
| 01/15/2014 | CN103508572A Aeration tank convenient to install and maintain |
| 01/15/2014 | CN103508571A Mixed gas knapper |
| 01/15/2014 | CN103011430B Aerating and oxygenating device |
| 01/15/2014 | CN102578020B Impeller of aerator and aerator equipped with impeller |
| 01/09/2014 | WO2014005253A1 Blue algae prevention and control method |
| 01/03/2014 | WO2014000675A1 Aeration sheet and method for preparing same |
| 01/01/2014 | CN203373207U Novel high-efficiency multi-nozzle type jet aerator |
| 01/01/2014 | CN203373191U Underwater pump-type impeller aeration machine |
| 01/01/2014 | CN203373169U Regulating reservoir for medical wastewater treatment |
| 01/01/2014 | CN203369247U Device using high-water-level aerator pipe in combination with biological bag for aeration |
| 01/01/2014 | CN203369246U Aerator |
| 01/01/2014 | CN203369244U Waterwheel type aerator |
| 01/01/2014 | CN102936062B Underground water pollution in-situ restoration method based on synchronous shattering hydrodynamic circulation |
| 01/01/2014 | CN102677745B Water-saving system |
| 12/25/2013 | CN203360131U Diving aerator impeller |
| 12/25/2013 | CN203360130U Aeration machine |
| 12/25/2013 | CN203360129U Aerating device capable of being used for long time |
| 12/25/2013 | CN203360128U Novel aerator structure |
| 12/25/2013 | CN203353463U Multi-energy oxygenation device |
| 12/25/2013 | CN203353458U Waterwheel aerator with brand new transmission structure |
| 12/25/2013 | CN103466866A Modification conveying method of pipeline mineral water |
| 12/25/2013 | CN103466784A Sewage treatment aeration system |
| 12/25/2013 | CN103058401B High-efficiency self-priming centrifugal submersible aerator |
| 12/18/2013 | CN203346181U Waste water treatment device of aluminum profile production plant |
| 12/18/2013 | CN203346180U Micropore-variable blockage-preventing aerating hose |
| 12/18/2013 | CN203346179U Oxygen-increasing device, self-flow oxygen-increasing biological filter, self-flow oxygen-enriching ecological bed and sewage treatment system |
| 12/18/2013 | CN203346178U Aerator and aeration system |
| 12/18/2013 | CN203346177U Aerator |
| 12/18/2013 | CN203346155U Self-suction type screw aerator |
| 12/18/2013 | CN103449620A Aeration pipeline device for sewage treatment |
| 12/18/2013 | CN103444617A 水车式增氧机 Paddlewheel aerator |
| 12/12/2013 | WO2013182007A1 Efficient oxygenation device and method |
| 12/11/2013 | CN203333388U Gas mixing chamber embedded lump of diving aerator |
| 12/11/2013 | CN203333387U Deepwater aerating device |
| 12/11/2013 | CN102616948B Screw propeller for aerator |
| 12/05/2013 | DE102011008577B4 Verfahren zur Betriebssteuerung von Regenbecken Method for controlling the operation of rainwater tanks |
| 12/04/2013 | CN203319780U Circular tube type air distributing device |
| 12/04/2013 | CN203319779U 强制水流促进器 Forced flow facilitator |
| 12/04/2013 | CN203313905U Fishpond aerating device |
| 12/04/2013 | CN203313903U Gas mixing aerator impeller |
| 12/04/2013 | CN103416343A Assembly type floating body for carrying aerator |
| 11/27/2013 | CN203307129U Air distributor |
| 11/27/2013 | CN203307115U Float-type water spiral aeration machine |
| 11/27/2013 | CN203307114U Direction-adjustable type reverse umbrella aerator |
| 11/27/2013 | CN203307112U Aeration pipe bracket |
| 11/27/2013 | CN103408151A High-efficiency sewage treatment aerator |
| 11/27/2013 | CN103408150A Butterfly rotary-mixing micro-nano aerator |
| 11/27/2013 | CN102583709B Micropore aerator with large-area diaphragm with center and periphery doubly fixed |
| 11/27/2013 | CN102334461B Device for preventing hot air from flowing back in water shield of aerator and impeller aerator |
| 11/21/2013 | WO2013173213A1 Pressurized gas lifting and gas rejuvenation |
| 11/20/2013 | CN203295270U Overflow oxygen enhancement hydraulic drop weir |
| 11/20/2013 | CN203295269U Magnetic energy gas-water treatment device |
| 11/20/2013 | CN203295268U Multichannel vortex jet aerator |
| 11/20/2013 | CN103395938A Aquaculture water quality regulation system and regulation method |
| 11/20/2013 | CN103395898A Landscape water area mobile type water-pumping aerated algae-removal water quality restoration device |
| 11/20/2013 | CN102757134B Vertical reverse umbrella aerator bearing seat |
| 11/20/2013 | CN102531207B 潜水式增氧机 Submersible aerator |
| 11/19/2013 | CA2723331C Water circulation systems for ponds, lakes, and other bodies of water |
| 11/13/2013 | CN203284258U Ecological microcirculation pool |
| 11/13/2013 | CN203284243U Double-pipe-type underwater aerating device |
| 11/13/2013 | CN102583793B High-efficiency surface aerator |
| 11/06/2013 | CN203269666U Improved disc type jet aerator |
| 11/06/2013 | CN203269665U Rotational flow aerator |
| 11/06/2013 | CN203269664U Water aeration oxygenation device with low power consumption and high efficiency |
| 11/06/2013 | CN203269663U Self-oscillation micropore aerator |
| 11/06/2013 | CN203262049U Floating type micro-pore aeration aerator |
| 11/06/2013 | CN102730854B Centrifugal self-suction mixing inverted umbrella-type aerator |