| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 08/26/2009 | CN201296920Y Device used for water inlet of inclined pipe of culvert of small reservoir |
| 08/11/2009 | CA2454311C Water containment structure with fish ladder |
| 08/05/2009 | EP1689937A4 Water filtration system having removable filter panels |
| 08/05/2009 | CN101501277A Adjustable weir for hydroelectric dam installations |
| 08/05/2009 | CA2621130A1 Method and apparatus for enabling upstream fish passage around or through natural and man-made obstructions |
| 07/29/2009 | CN201280709Y Improved moveable wave absorber |
| 07/23/2009 | WO2009090340A1 Secured fusible |
| 07/15/2009 | CN201272958Y Multifunctional ecological fish lock |
| 07/14/2009 | CA2454303C Water containment structure |
| 06/24/2009 | CN100503983C Pollution absorption and drainage method of reservoir or water basin as drinking water sources and apparatus therefor |
| 06/17/2009 | CN100501010C Differential aeration sluice device |
| 06/16/2009 | US7547389 Bottom seal |
| 06/10/2009 | CN201254715Y Drop sill type underflow energy dissipating work structure |
| 06/10/2009 | CN201254714Y Suddenly enlarged and drop sill type underflow energy dissipating work structure |
| 06/03/2009 | CN201250398Y High-efficiency soft bottom antifreeze stilling pool |
| 05/27/2009 | CN100491647C Conveyer way of self-discharging sand |
| 05/13/2009 | CN101429757A Construction method for asphalt concrete and clay soil anti-seepage connector and full anti-seepage dam basin |
| 05/13/2009 | CN100487200C Convex bulkhead gate groove |
| 05/06/2009 | CN100485130C Overground step reservoir and building method thereof |
| 04/29/2009 | CN101418555A Hydraulic arrangement mode sediment ejection structure |
| 04/29/2009 | CN101418554A Interception net dam |
| 04/23/2009 | WO2009050342A1 Fusegate |
| 04/22/2009 | CN201226099Y Control instrument for turning on sluice |
| 04/22/2009 | CN201224879Y Elastic force overflow weir |
| 04/16/2009 | US20090097920 Collector with adjustable input/discharge to control sediment removal |
| 04/15/2009 | CN101408022A Water gate dipper type shunting energy dissipating rushing-proof technology |
| 04/08/2009 | CN100476080C Automatic variable fishway realized by water level monitoring |
| 04/01/2009 | CN201214781Y Horizontal rotational flow energy dissipating flood discharging hole |
| 03/25/2009 | EP2038488A1 Screening grid on an overflow spillway of a rainwater relief system |
| 03/25/2009 | CN201212143Y Flood discharging steep groove mounted with baffle and still ridge with opposite jet flow |
| 03/25/2009 | CN201212142Y Pore-forming machine of drainage conduit in concrete dam |
| 03/18/2009 | EP1740286B1 Screening grid |
| 03/18/2009 | CN201209247Y Floating trash rack |
| 03/11/2009 | EP2032767A1 Adjustable weir for hydroelectric dam installations |
| 03/11/2009 | CN201206246Y Water discharge engineer for check dam |
| 03/04/2009 | CN201202851Y Cylinder type right side opening type self-closing flap valve |
| 03/04/2009 | CN201202850Y Cylinder type left side opening type self-closing flap valve |
| 03/04/2009 | CN201202107Y Novel anchoring member for rubber dam |
| 03/04/2009 | CN101377076A Air classification water lift regulating and controlling system |
| 03/04/2009 | CN100465381C A sand-drainage construction system for diversion channels |
| 02/26/2009 | WO2009024628A1 Drain rehabilitation system using high-pressure water |
| 02/18/2009 | CN101368380A Roughening and energy dissipating method for flood discharging groove |
| 02/18/2009 | CN100462505C Hydroelectric station voltage regulating room structure |
| 02/05/2009 | WO2009015881A1 Screening grid on an overflow spillway of a rainwater relief system |
| 02/05/2009 | CA2694298A1 Rotary brush screen at an overflow sill of a rainwater relief system |
| 02/04/2009 | CN201190276Y Water stop construct of pipeline film penetrating |
| 01/28/2009 | CN101353890A Flood-discharging honeycomb duct |
| 01/28/2009 | CN101353889A Full automatic silt separation apparatus |
| 01/27/2009 | US7481925 Water filtration system having removable filter panels |
| 01/27/2009 | US7481920 Fine-screened grid |
| 01/21/2009 | EP2017389A2 Installation device for flowing water |
| 01/21/2009 | EP1562866B1 Method and system for the separation of oily compounds and suspended solids from rainwater |
| 01/21/2009 | CN101349048A Full section ladder energy dissipater |
| 01/21/2009 | CN101349047A Aeration type curve ladder energy dissipater in flood discharge hole |
| 01/21/2009 | CN101349046A Dam body narrow slit non-collision flood discharge energy dissipater form |
| 01/14/2009 | CN100451242C Silt trap net |
| 01/07/2009 | CN201176582Y Sand-depositing and slag-blocking facilities |
| 12/31/2008 | CN100447344C V-shaped antifouling grid of pump station |
| 12/24/2008 | CN201169765Y Automatically-washing silt weir culvert |
| 12/24/2008 | CN201169763Y Protection plate of rubber dam |
| 12/17/2008 | CN201166165Y Spherical shell type double-side opening self-closing flap valve |
| 12/17/2008 | CN201166164Y Spherical shell type left side opening self-closing flap valve |
| 12/17/2008 | CN201166163Y Spherical shell type right side opening self-closing flap valve |
| 12/17/2008 | CN101324060A Rapid flow plane convergence rectifying device |
| 12/11/2008 | DE10249922B4 Siebrechen für einen Regenwasser-Überlauf Screening grid for a stormwater overflow |
| 12/10/2008 | CN201162212Y Natural aeration body type capable of reducing ship lock valve suddenly enlarged coverway drop sill cavitation |
| 12/09/2008 | US7461999 Flow measurement and control |
| 12/03/2008 | CN201158813Y Active retainer swinging type dirt-blocking dirt-cleaning machine |
| 11/27/2008 | WO2008142443A1 Sluice gate |
| 11/26/2008 | CN201155495Y Water power automatic control shutter gate hydraulic system |
| 11/26/2008 | CN201155103Y Side opening device for dam gate |
| 11/26/2008 | CN201155102Y Hydraulic arranged sediment ejection structure |
| 11/19/2008 | CN201151902Y Aeration facilities form |
| 11/19/2008 | CN201151901Y High and low bank bottom flow force-counteracting pool |
| 11/18/2008 | CA2420641C Screen assembly for combined sewer overflow weir |
| 11/13/2008 | DE102007020872A1 Anlage zur Verstärkung der Leitströmung in einer Fischauf- oder -abstiegseinrichtung System to amplify the Leitströmung in a Fischauf- or -abstiegseinrichtung |
| 11/12/2008 | CN101302755A Natural aeration system capable of avoiding ship lock valve segment sudden enlarging body type ridge dropping cavitation |
| 11/12/2008 | CN101302750A Non-uniform flexible anchoring baffle pond inverted arch bottom plate structure |
| 11/05/2008 | EP1988216A1 Assembly for strengthening the routing current in a fish upstream/downstream migration device |
| 10/30/2008 | US20080267716 Shallow/intermediate water multipurpose floating platform for arctic environments |
| 10/29/2008 | CN201141131Y Flood-discharging honeycomb duct |
| 10/29/2008 | CN101294379A Elastic overflow weir |
| 10/29/2008 | CN101294378A Flood discharge steep groove equipped with energy-reducing force-reducing ridge |
| 10/29/2008 | CN101294377A Rotational flow silo equipped with air entrainment ridge |
| 10/29/2008 | CN101294376A Diving pull-type dirt collecting grille |
| 10/28/2008 | CA2440140C Fish safe screened water diversion apparatus |
| 10/22/2008 | CN201137055Y Fan shape disposed shunting pier group |
| 10/22/2008 | CN201137052Y Tailings reservoir double-protection flood-discharging device |
| 10/16/2008 | WO2008122377A1 Method for transporting sediments in dammed bodies of water |
| 10/16/2008 | DE102007016679A1 Verfahren zur Sedimentverfrachtung in Staugewässern von Wasserkraftanlagen Method for Sedimentverfrachtung in backwaters of hydropower plants |
| 10/16/2008 | CA2683391A1 Method for transporting sediments in dammed bodies of water |
| 10/08/2008 | CN201128906Y Deep-sluice flowing water cleaner |
| 10/08/2008 | CN101280557A Method for rebuilding guide current hole to jet flow internal energy dissipating drilled shaft flood discharge hole |
| 09/30/2008 | US7429147 Anti-flooding device for the exploitation of water energy |
| 09/24/2008 | CN201121304Y Stainless steel sluice gate |
| 09/24/2008 | CN101270574A Demixing multi-ply non-collision high-efficiency energy dissipating construction for high arch dam body flood discharge of water gap district |
| 09/17/2008 | EP1677890B1 Cleaning device for a trash screen, trash screen comprising a cleaning device, and method for cleaning one such trash screen |
| 09/10/2008 | CN101260657A Exploitation and harnessing method for multi- sand broad-river reach, trench, beach and reservoir |
| 09/04/2008 | US20080213045 Structure and method for facilitating safe downstream passage of migrating fish around hydroelectric projects |
| 08/20/2008 | CN201103114Y Inflating automatic pressure control device for barrage rubber dam project |