| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 11/20/2013 | CN203296025U Dam face energy dissipater |
| 11/20/2013 | CN103397645A Dry heaping and wet discharging combined tailing heaping and discharging method |
| 11/20/2013 | CN103397619A High- and low-sill stilling basin with function of on-way dispersive energy dissipation |
| 11/13/2013 | CN203284768U Novel hydraulic engineering energy dissipater structure |
| 11/13/2013 | CN203284767U Water conservancy landscape movable retaining dam |
| 11/13/2013 | CN203284766U Gate easy to adjust |
| 11/13/2013 | CN103388322A Method for rebuilding diversion tunnel body into flood discharging tunnel body |
| 11/07/2013 | WO2013166017A1 Apparatus for reduced fluid-flow fish passage |
| 11/06/2013 | CN203270669U Arrangement manner of pump gates |
| 11/06/2013 | CN203270526U Self-heat preservation type gate |
| 11/06/2013 | CN203270525U Temporary water drainage device of filling side slope |
| 11/06/2013 | CN203270524U Freeze-proof device for sluice gate |
| 11/06/2013 | CN103382717A Stepped energy dissipation method and energy dissipater through aerification in pre-positioned aerification tanks |
| 10/30/2013 | CN203256706U Underflow energy dissipation structure of broken slope in hydraulic and hydroelectric projects |
| 10/30/2013 | CN203256705U Integrated planar valve structure of high water head ship lock |
| 10/30/2013 | CN203256704U Water filling and pressure balancing device used for plane gate |
| 10/30/2013 | CN103374903A Whole aeration cyclone vertical shaft |
| 10/24/2013 | DE102012206504A1 Fischschutzseilrechen Fish protection rope rakes |
| 10/23/2013 | EP2652203A1 Screen for controlling the migration of fish in a flowing stream such as a river |
| 10/23/2013 | CN203247554U Vortex elimination structure of intake tower |
| 10/23/2013 | CN203247553U Flap-door lock chamber structure |
| 10/23/2013 | CN203247550U Overflow dam building structure suitable for ecological water area landscape |
| 10/23/2013 | CN103362107A Totally-separated silt-retaining device |
| 10/23/2013 | CN103362106A Semi-detached silt stopping device |
| 10/23/2013 | CN103362103A Steel membrane step-type overflow dam |
| 10/16/2013 | CN203238603U Shore flood discharge system under unfavorable geological and topographic conditions |
| 10/16/2013 | CN103352451A Vertical shaft spiral-flow type inner energy dissipater used for discharging ecological flows |
| 10/10/2013 | US20130266378 Intelligent Hydroelectric Dam With Power Storage |
| 10/10/2013 | DE102009044069B4 Fischaufstiegsanlage zur Überwindung eines Wanderhindernisses in einem Fließgewässer Fishway to overcome a migration obstacle in a stream |
| 10/09/2013 | CN203229933U Flood discharging gate system |
| 10/09/2013 | CN203229932U River desilting and flood discharging system |
| 10/09/2013 | CN103011497B Backwash combination type farmland non-point source pollution cut-off purification system |
| 10/08/2013 | US8550749 Fish passage apparatus with flow restriction and method |
| 10/08/2013 | US8550748 Parallel fish passage apparatuses with hydroelectric power generator and method |
| 10/08/2013 | US8550747 Fish passage apparatus with variable inlets and method |
| 10/03/2013 | US20130259574 Liquid Containment Berm and Method of Use |
| 10/02/2013 | CN203222783U River system desilting system for reservoir |
| 10/02/2013 | CN203222777U Flood retarding weir equipment |
| 10/02/2013 | CN103334412A Lower flap gate provided with automatic sewage disposal device |
| 09/25/2013 | CN203213084U Anchoring member for scour-preventive material of flood spillway |
| 09/25/2013 | CN203213079U Earth and rockfill dam for forming instant overtopping in overtopping dam break stimulation tests |
| 09/25/2013 | CN103321193A Fish passing integrated system implemented by aid of underground shaft |
| 09/25/2013 | CN103321192A Ski-jump and jet flow combined energy dissipation device |
| 09/25/2013 | CN103321191A Dam body flood discharging and energy dissipating arranging method for concrete-faced rockfill dam |
| 09/25/2013 | CN103321190A Debris flow silt arrester overflow port overflowing flow measuring and calculating method and application thereof |
| 09/25/2013 | CN103321187A Overflow face protection method |
| 09/25/2013 | CN102409641B Combined environment-friendly floating wave dissipating device |
| 09/25/2013 | CN101628187B Apparatus for the separation of solid particles from water and hydraulic installation containing such separation apparatus |
| 09/23/2013 | DE202013007370U1 Wasserbauwerk zum gleichzeitigen Aufstau und zur Durchwanderbarkeit von wandernden Lebewesen Water-based structure for simultaneous impoundment and passability of migratory creatures |
| 09/19/2013 | WO2013134886A1 Hydraulic structure for water flow control |
| 09/18/2013 | CN203204920U Multifunctional fishway simulation experimental device |
| 09/18/2013 | CN203200724U Lower flap gate with automatic dirt cleaning device |
| 09/18/2013 | CN103306249A Flow channel outlet structure of flood discharge surface hole of high arch dam |
| 09/18/2013 | CN103306248A High dam spillway foundation drainage system and excavation method |
| 09/18/2013 | CN103306247A Movable water retaining dam for water conservancy landscape |
| 09/12/2013 | US20130236249 System and methods for bypassing an aquatic obstruction |
| 09/11/2013 | CN203188185U United energy dissipation structure under ultralow Froude number |
| 09/11/2013 | CN203188184U Device for aerial drainage and desilting |
| 09/11/2013 | CN103290818A Structure for inhibiting water flow cavitation of outlet structure |
| 09/11/2013 | CN103290817A Pressurized-water corrosion inhibiting structure for water release building |
| 09/11/2013 | CN103290816A Side wall air-mixing type X-type flaring pier |
| 09/11/2013 | CN103290815A Mechanical movable retaining dam |
| 09/11/2013 | CN103290804A Method and structure for providing downstream ecological flow after gate locking of stream guidance water release structure |
| 09/04/2013 | CN203174569U Vertical gap type fish passage structure |
| 09/04/2013 | CN203174568U Arrangement type of ecological flow pipe of concrete dam |
| 09/04/2013 | CN203174567U 活动闸门 Activities gate |
| 09/04/2013 | CN203174566U Concrete small-bore drain pipe device |
| 09/04/2013 | CN203174564U Flap gate |
| 09/04/2013 | CN103276703A Folded-line shape diversion pier of spillway |
| 09/04/2013 | CN103276702A Nested type top overflowing gate |
| 09/04/2013 | CN102852122B Eco-friendly subsidiary dam capable of improving gas supersaturation |
| 09/04/2013 | CN101550687B Control gates |
| 08/29/2013 | WO2013124662A1 Sewage screening system |
| 08/28/2013 | CN103266585A Device and method making use of fish phototaxis to improve fish passing effects of fishways |
| 08/28/2013 | CN103266584A Novel water conservancy project energy dissipater structure |
| 08/28/2013 | CN103266583A Bent slope underflow energy dissipation structure of water conservancy and hydropower engineering |
| 08/21/2013 | CN203144984U Rectification energy dissipater with arc-shaped and linear combined threshold |
| 08/21/2013 | CN203144983U Vertical shaft water cushion energy dissipater applied to gorge weak anti-impact geology |
| 08/21/2013 | CN203144982U Vortex eliminating structure used for water inlet of high-velocity water flow flood discharging tunnel |
| 08/21/2013 | CN203144981U Buried type energy dissipation anti-scouring structure |
| 08/21/2013 | CN203144980U Dam structure for decreasing low-temperature water environmental influence of reservoir project |
| 08/20/2013 | US8511938 Flood flaps vent for sealed crawlspace |
| 08/14/2013 | CN203129107U Split-flow flow-deflecting energy dissipator |
| 08/14/2013 | CN103243693A Method for performing drainage and energy dissipation by utilizing steps |
| 08/14/2013 | CN103243692A Construction arrangement method combining flow guidance and flood discharge |
| 08/14/2013 | CN103243691A Prefabricated steel formwork for gallery top arch of dam absorption basin |
| 08/14/2013 | CN103243690A High-lift lock integrated plane valve |
| 08/14/2013 | CN103243685A Overflow dam building structure suitable for ecological water landscape |
| 08/06/2013 | US8500997 Screening grid |
| 07/31/2013 | CN203096702U Ocean platform wave-eliminating ice-breaking structure |
| 07/31/2013 | CN203096700U Protecting device used for embedding of monitoring instrument |
| 07/31/2013 | CN103225292A Dam face energy dissipation tool |
| 07/31/2013 | CN103225291A Dam stilling pool prefabricated gallery crowned arch steel template |
| 07/31/2013 | CN103225290A Anti-freezing device for sluice gate |
| 07/24/2013 | CN203080491U Dam crest wave wall structure of earth and rockfill dam |
| 07/24/2013 | CN203080490U Structure of overflow dam type draining tank in waste slag area |
| 07/24/2013 | CN203080476U Curved surface type water plugging and draining device |
| 07/24/2013 | CN103221612A System and method for removing sediment from sand traps |
| 07/24/2013 | CN103215932A Flood discharging tunnel pore plate building method |
| 07/24/2013 | CN103215931A Dredging and pollution discharge method of lake wetland based on river in lake assembled through components |