| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 02/06/2013 | CN102912772A Discharge chute |
| 02/06/2013 | CN102912771A Stepped surface local sidewall for air entrainment and cavitation alleviation behind X-type flaring gate pier |
| 02/06/2013 | CN102912769A Dragline buttress steel dam |
| 02/06/2013 | CN102912768A Earthquake resistant structure of high earth-rock dam in earthquake region |
| 01/30/2013 | CN202705996U Sectional water supply system for fishway entrance |
| 01/30/2013 | CN202705995U Sliding template device of flip bucket construction |
| 01/30/2013 | CN202705994U High arch dam flood discharge and energy dissipation structure for narrow river valley and deep tail water |
| 01/30/2013 | CN102900055A Fish passageway and fish passageway building method for low-waterhead dam |
| 01/30/2013 | CN102900054A River bank-like flood spillway |
| 01/30/2013 | CN102900053A Improved deep-cylinder stilling well |
| 01/30/2013 | CN102261056B Hydraulic control system of flap gate |
| 01/23/2013 | CN202688969U Fishway |
| 01/23/2013 | CN202688968U Vertical connection type fishway |
| 01/23/2013 | CN202688967U Water-related project energy dissipater |
| 01/23/2013 | CN202688966U Dam gallery arrangement system |
| 01/23/2013 | CN102888828A Water-pillow pool method used for overflow cofferdam energy dissipation platform |
| 01/23/2013 | CN101851910B Water guide board arranged on outlet of pressure drainage channel |
| 01/17/2013 | US20130017018 Liquid Containment System |
| 01/16/2013 | CN202672115U Pneumatic checkgate device |
| 01/16/2013 | CN202672102U Disturbed flow rubber dam |
| 01/10/2013 | DE102011107524A1 Device, useful for retention of solids e.g. toilet papers entrained in effluent of combined sewer system at overflow threshold of rain overflow structure, comprises calculation grid having screen bars, scraper comb, and paddle wheel drive |
| 01/09/2013 | CN202658585U Steel dam sluice gate |
| 01/09/2013 | CN202658584U Automatic water storage and sand discharging gate |
| 01/09/2013 | CN102869878A Weir comprising a turbine installation |
| 01/02/2013 | CN202644494U I-shaped wide tail gate pier |
| 01/02/2013 | CN202644490U Hydraulic controllable turning plate gate |
| 01/02/2013 | CN202644485U Storage dam with adjustable water level |
| 01/02/2013 | CN102852122A Eco-friendly subsidiary dam capable of improving gas supersaturation |
| 12/27/2012 | DE102011105797A1 Device for mechanical cleaning of dirt and water and for retaining of fish in power plant, has cleaning drums that are arranged such that diametric section protrudes in upstream direction of waste-water passage line in plan view |
| 12/26/2012 | CN202626959U Pull-type automatic flap valve |
| 12/26/2012 | CN202626957U Narrow valley arch dam large discharge efficient energy dissipater structure |
| 12/26/2012 | CN202626956U Array pipe-type weir gate |
| 12/26/2012 | CN202626947U Picking flow type flaring pier of overflow dam |
| 12/26/2012 | CN202626946U River surge blocking dam with combination of rubber dam and steel dam |
| 12/26/2012 | CN101952516B Secured gate |
| 12/20/2012 | DE202012010149U1 Wasserkraftwerk zur Wandlung der potentiellen Wasserenergie Hydropower plant to convert the potential energy of water |
| 12/19/2012 | EP2534307A1 Method for moving fish in a fish sparing way, as well as a wheel for use therewith |
| 12/19/2012 | EP2533876A1 Sewage solids separator and dewatering plant |
| 12/19/2012 | CN202610775U Apron arrangement structure for absorption basin |
| 12/19/2012 | CN202610774U Deep-hole cyclone shaft type flood drainage tunnel |
| 12/19/2012 | CN202610773U Energy dissipater for side wall aerator and outlet submersible pick flow ridge of inclined shaft type flood discharging tunnel |
| 12/19/2012 | CN102828495A Water-wing control method of side aerator and flat outflow side aerator |
| 12/19/2012 | CN102828494A Flood discharging tunnel grit chamber design and method for fast cleaning deposited sand |
| 12/12/2012 | CN202595710U Partially changeable gate panel |
| 12/05/2012 | EP2530204A2 Barrier for regulating the level in a watercourse |
| 12/05/2012 | EP2530203A2 Barrier for regulating the level in a watercourse |
| 12/05/2012 | CN202577249U Covered drainage system of discharge chute bottom plate for spillway |
| 12/05/2012 | CN202577248U Fully-automatic culvert water level monitoring and water gate opening and closing device |
| 12/05/2012 | CN202577247U Multifunctional combination intake tower structure for reservoir |
| 12/05/2012 | CN102808652A Inherent karst tunnel drainage outburst prevention and hydrogeological environment protection method |
| 12/05/2012 | CN102808397A Ball sealer for water inlet of dam bottom hole bypass pipe and method for replacing dam bottom hole bypass valve |
| 12/05/2012 | CN102808396A Method for automatically dredging and unblocking water and sand inlet in reservoir water draining and conveying facility |
| 11/29/2012 | DE102011100854A1 Water power plant i.e. gravity power plant, for generating energy, has thin plate, and continuous water shovel chain arranged between upper and lower parts of fish lift and suspended in rollers, where lift is operated by shovel chain |
| 11/28/2012 | CN202559321U Diversion tunnel plug concrete drainage pipe device |
| 11/28/2012 | CN202559320U Side aeration ramp for reducing water surface fluctuation of stilling pool |
| 11/28/2012 | CN202559319U Gate or radial gate anti-freezing deicing device |
| 11/28/2012 | CN202559311U Gate with adjustable discharge water level |
| 11/28/2012 | CN102797242A Arrangement structure of overflow surface holes of arch dam |
| 11/28/2012 | CN102797241A Resin panel earth-rock fill dam and panel construction method |
| 11/22/2012 | WO2012156604A1 Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating |
| 11/22/2012 | CA2836350A1 Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating |
| 11/21/2012 | CN202543870U Novel energy dissipation structure of water gate for narrow river valleys and sediment-laden rivers |
| 11/21/2012 | CN202543865U Anti-seismic structure considering afforestation of concrete face rockfill dam |
| 11/21/2012 | CN102787589A Energy dissipater in wading engineering |
| 11/21/2012 | CN102787588A Shaft with vertical eddy-flow energy dissipaters of hole stoppers |
| 11/21/2012 | CN102787587A Non-enclosed pervious member for river regulation |
| 11/21/2012 | CN102787586A Arrangement method for combining second-stage diversion building with sand discharge gate |
| 11/21/2012 | CN102162230B Design method for reconstructing diversion tunnel into flood discharge tunnel in 'tail-raising' mode |
| 11/14/2012 | CN202530433U Flaring pier structure of flood discharge and energy dissipation system in hydraulic and hydro-power engineering |
| 11/14/2012 | CN202530432U Automatic drainage pipe for flood discharge |
| 11/14/2012 | CN102777313A Method of collection and storage of wave energy and pressure seawater scheduling system thereof |
| 11/14/2012 | CN102776894A Dam foundation uplift pressure regulation device |
| 11/14/2012 | CN102776868A Intercepted curve baseplate |
| 11/07/2012 | CN202519639U Hole type flood discharge structure |
| 11/07/2012 | CN202519635U Crescent gate |
| 11/07/2012 | CN102767164A Bidirectional inflow whirling current type shaft facility for flood discharge and energy dissipation in dam |
| 11/07/2012 | CN102767163A Anti-scour junked tire lining of gallery |
| 10/31/2012 | CN202509471U Outer template adjusting support of separate template on diversion tunnel end head |
| 10/31/2012 | CN202509470U Underground well hole type flood discharge and energy dissipation water channel |
| 10/31/2012 | CN102758423A Water-permeable fishway |
| 10/31/2012 | CN102758417A Method for water control and farmland building for environmental protection through water and soil separation and water and soil separation structure |
| 10/24/2012 | CN202500122U Energy dissipator of high-fall sluice |
| 10/24/2012 | CN202500121U Device for controlling ecological flow |
| 10/24/2012 | CN102747716A Vertical seam type fishway structure |
| 10/24/2012 | CN102747715A Fishway structure and fish-gathering method |
| 10/24/2012 | CN102747714A Water complementing system for fish-way entrance |
| 10/24/2012 | CN102747713A Fishway |
| 10/17/2012 | CN202492830U Water-taking gallery of bottom trash rack dam |
| 10/17/2012 | CN102733361A High-arch-dam flood discharge and energy dissipation structure of narrow river valley and deep tail water |
| 10/17/2012 | CN102733359A Reversely-pressed adjustable weir gate with bucket |
| 10/10/2012 | CN202482837U Self-priming gate |
| 10/10/2012 | CN102720171A Adverse slope type step energy dissipater |
| 10/10/2012 | CN102720170A Special stepped energy dissipater |
| 10/10/2012 | CN102720169A Gate type novel water storage and drainage dam |
| 10/10/2012 | CN102720168A Apparatus and method for controlling ecological flow |
| 10/09/2012 | US8282836 Water intake structure |
| 10/03/2012 | CN202466542U Roller compacted concrete gravity dam step-gradient-type spillway |
| 10/03/2012 | CN202466541U Self-sealing type gate |
| 10/03/2012 | CN202466536U Device for constructing water conservancy project earth-rock dam core wall reversed filter |
| 10/03/2012 | CN102704449A Big-discharge efficient energy dissipater structure of narrow river valley arch dam |