| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 06/02/2010 | CN101294378B Flood discharge steep groove equipped with energy-reducing force-reducing ridge |
| 06/02/2010 | CN101235633B Water fin removing tool |
| 05/26/2010 | CN101713202A Relief well washing and grappling combined system for water engineering |
| 05/26/2010 | CN101713183A Double-wing type combined trajectory energy dissipation structure |
| 05/12/2010 | CN201459692U Fishway with ovoid fish pass holes |
| 05/12/2010 | CN201459691U Spillway with warped surface bottom board |
| 05/12/2010 | CN201459690U Chute composite beam structure |
| 05/12/2010 | CN201459689U Support structure for temporarily strengthening gate pier |
| 05/12/2010 | CN201459688U Gate sill underwater flushing system |
| 05/06/2010 | US20100111608 Method for transporting sediments in dammed bodies of water |
| 05/05/2010 | EP2182120A1 Overflow dam and method for maintaining a water level at one side of the dam |
| 05/05/2010 | CN201447699U Integrated sudden expansion shape of high head ship lock water conveyance valve section |
| 05/05/2010 | CN201447698U Rising ridge body form adopting natural ventilation to prevent and reduce cavitation of sudden culvert expansion for high-head lock |
| 05/05/2010 | CN201447697U Door header body type capable of suppressing and reducing cavitation of a ship lock flat valve top-seam and bottom edge |
| 05/05/2010 | CN201447696U Door head body type for avoiding cavitation of constructed shiplock valve |
| 05/04/2010 | US7708494 Water diversion system and method having hydraulic chute, screen assembly and wedge wire screen |
| 04/22/2010 | US20100098493 Treatment of aqueous suspensions |
| 04/22/2010 | DE202010001343U1 Fischpass zum Fischaufstieg und Fischabstieg Fish passage for fish migration and fish migration |
| 04/22/2010 | DE202009017514U1 Fischaufstiegsanlage Fishway |
| 04/14/2010 | EP2175074A1 Modular device for modifying the hydraulic flow conditions in structures enabling the crossing of streams |
| 04/14/2010 | CN201437586U Anticorrosion and energy-dissipation flood discharge device for swirling annular weir |
| 04/08/2010 | US20100086358 Multi-Purpose Vent |
| 04/08/2010 | US20100086357 Fish passes |
| 04/07/2010 | CN101691745A Arrangement method of combining twin-deck bridge and gate bridge |
| 04/01/2010 | DE102008049693A1 Adjustable water extraction device for dams and lakes, has water reservoir in pipe with height-adjustable water inlet and water outlet side |
| 03/31/2010 | CN101688379A Method for transporting sediments in dammed bodies of water |
| 03/25/2010 | WO2010031166A1 Water ballasted wave attenuator |
| 03/25/2010 | CA2733256A1 Water ballasted wave attenuator |
| 03/17/2010 | CN101672028A Hydraulic design method for turned-slope type hydraulic jump stilling basin |
| 03/10/2010 | CN101666078A Gate sill underwater erosion-deposition flushing system |
| 03/02/2010 | US7670083 Inflatable weir fish passage systems and methods |
| 02/24/2010 | EP2157243A2 Organism displacing installation |
| 02/24/2010 | EP2155970A1 Sluice gate |
| 02/24/2010 | CN201411674Y Rectifying bank for adjusting flow state of water flow of water inlet or outlet of pumping accumulating generating plant |
| 02/24/2010 | CN201411673Y Dispersive ventilated aeration pit for aeration |
| 02/24/2010 | CN201411672Y Dispersive ventilated aeration pit |
| 02/24/2010 | CN201411671Y High-ground-stress narrow-valley inverted arch plunge pool |
| 02/24/2010 | CN201411670Y Sensing type self-energy-dissipating pressureless water drainage system for earth-rockfill dams |
| 02/24/2010 | CN201411669Y Novel surface water stop structure of vertical joint |
| 02/17/2010 | CN101649610A Honeycomb funnel type micro suction force flood discharge device |
| 02/11/2010 | WO2010015848A1 Active wildlife ladder |
| 02/10/2010 | CN201401536Y Connecting-rod inclined-turning water pump flap valve |
| 02/10/2010 | CN101644042A System for transporting and discharging silt through hydraulic fill pipeline in front of dam |
| 02/03/2010 | CN201395784Y Pool reservoir culvert safety drain device |
| 02/03/2010 | CN101638889A Step-type fish passage facilities suitable for steep slope of high dam and control method |
| 02/03/2010 | CN101638888A Flood discharging method for anticorrosion and energy dissipation of rotational flow ring dam and device thereof |
| 01/21/2010 | WO2010008304A1 Particulate retention systems and uses therefor |
| 01/20/2010 | CN201386267Y Fish culturing guide arc fence for river |
| 01/18/2010 | CA2671216A1 Apparatus for the separation of solid particles and hydraulic system comprising same |
| 01/13/2010 | CN101624819A Double volute chamber aerated type swirling flow vertical shaft |
| 01/13/2010 | CN101624818A Differential column-splitting inlet energy dissipater |
| 01/06/2010 | CN100577252C Screen for the filtration of water |
| 12/24/2009 | US20090317191 Fish way of turbine structure and gate structure for tidal power plant |
| 12/23/2009 | EP2134902A1 Method for transporting sediments in dammed bodies of water |
| 12/23/2009 | CN100572680C Natural aeration method capable of avoiding ship lock valve segment sudden shape type drop sill cavitation |
| 12/23/2009 | CN100572677C Flood discharging method and flood discharging tunnel employing rotational flow and strong moisture mixing energy dissipation |
| 12/16/2009 | CN101603307A Combined ventilation method for relieving cavitation of large water-level amplitude high-lift ship lock valve |
| 12/16/2009 | CN101603302A Natural ventilation method for relieving sill-lifting cavitation of high-lift ship lock sudden-enlargement gallery |
| 12/16/2009 | CN101603301A Door head body type for relieving the cavitation of built ship lock valve |
| 12/16/2009 | CN101603300A Hydraulic trash remover for bottom grid diversion dam of power station |
| 12/16/2009 | CN100570069C Exploitation and harnessing method for multi- sand broad-river reach, trench, beach and reservoir |
| 12/09/2009 | CN100567651C Non-uniform flexible anchoring baffle pond inverted arch bottom plate structure |
| 12/09/2009 | CN100567650C Aerator for flat-bottomed water release structure |
| 12/09/2009 | CN100567649C Mechanism for burying waste residue in reservoir bottom |
| 11/19/2009 | WO2009115078A3 Horizontally movable rake cleaning device |
| 11/19/2009 | US20090283459 Device for the collection of undersea freshwater resurgences |
| 11/11/2009 | EP2116652A2 Fish pass |
| 11/11/2009 | EP2116651A2 Screening device with a device for removing the items being screened |
| 11/11/2009 | EP2116650A2 Screening device with a device for removing the items being screened |
| 11/11/2009 | EP2116649A2 Screening device with a device to remove the items being screened |
| 11/11/2009 | CN101575843A Roller compacted concrete dam and construction method thereof |
| 11/10/2009 | US7614824 Control gates |
| 11/05/2009 | WO2009132367A1 Rake for a multi-rake screen |
| 11/05/2009 | DE102008022320A1 Storm-water overflow structure, has overflow spillway, whose front edge arranged inside structure exhibits overall edge, and skimming wall comprising lower edge arranged more deeply than overall edge of overflow spillway |
| 11/05/2009 | CA2664975A1 Wastewater screening device |
| 11/05/2009 | CA2664774A1 Wastewater screening device |
| 11/04/2009 | EP2113612A2 Method for cleaning a hydrotechnical structure |
| 10/28/2009 | CN100554593C Ladder energy dissipater with doped gas device preposed |
| 10/28/2009 | CN100554592C Diffusion type curve trajectory bucket |
| 10/21/2009 | CN100552147C Method for rebuilding diversion tunnel to jet flow internal energy dissipating spillway tunnel |
| 10/21/2009 | CN100552146C Waterpower self-control type gate |
| 10/14/2009 | CN101555687A High-geostress narrow-valley inverted arch plunge pool and design method thereof |
| 10/14/2009 | CN101555685A Chain-degradation impounding dam for mountainous regions |
| 10/14/2009 | CN100549302C Fishway block |
| 10/08/2009 | WO2009123375A1 Suspended matter blocking fence for an ocean power system |
| 10/07/2009 | CN101550687A Control gates |
| 10/07/2009 | CN100547173C Device for sealing slurry-blocking masonry dam uplift pressure observation hole and sealing method thereof |
| 10/06/2009 | CA2418245C Breakage detector for shear pins |
| 09/30/2009 | CN201317932Y Dam hoist chamber lifting hole plugging cover plate |
| 09/29/2009 | US7594779 Bottom fed screened water diversion apparatus |
| 09/23/2009 | CN101538842A Heterotype sudden enlargement and sudden drop aerator |
| 09/23/2009 | CN101538841A Differential trajectory jet energy dissipater in absorption basin |
| 09/23/2009 | CN101538840A Trajectory bucket type energy dissipater in absorption basin |
| 09/16/2009 | CN100540812C Internal support tube sheet type pressure reducing well pipe |
| 09/10/2009 | DE102008012719A1 Fish barrier for rejecting fishes at water channels of water flows into direction of flow, has deflector elements and retaining element that runs over channel, where each deflector element is arranged on retaining element |
| 09/10/2009 | DE102008012718A1 Vorrichtung für den Abstieg von Aalen an Wasserbauwerken Device for the descent of eels in hydraulic structures |
| 09/09/2009 | EP2098640A2 Device for lowering eels to hydraulic structures |
| 09/09/2009 | CN100537902C Method for getting fishes through dam |
| 09/09/2009 | CN100536980C Screening grid |
| 08/27/2009 | DE202009004668U1 Aufstiegshilfe für Fische und Makrozoobenthos Uphill for fish and benthic invertebrates |