| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 09/19/2012 | CN102677635A Method for simulating interference between hoisting of steel lining of cable crane and concrete pouring in concrete construction process of high arch dam |
| 09/13/2012 | US20120230768 Water Containment System |
| 09/12/2012 | CN202430689U Mining area coal gangue dam drainage system |
| 09/12/2012 | CN202430688U Improved structure of water retaining door |
| 09/12/2012 | CN202430687U Cabinet type full bobbin for vertically transporting concrete |
| 09/12/2012 | CN102660939A Steel dam bottom shaft side water stop structure |
| 09/12/2012 | CN102660938A Support structure of hydraulic hoist for open-top type arc gate |
| 09/12/2012 | CN102660937A Cast iron sluice gate |
| 09/12/2012 | CN102660936A Method for realizing seepage prevention of bridge wall by means of polyvinyl chloride film |
| 09/12/2012 | CN102660935A Dam bag for spiral steel mesh rubber dam and preparation process thereof |
| 09/05/2012 | CN202416338U Foundation for novel grating dam |
| 09/05/2012 | CN202416270U Rubber sealing ring for dam gate |
| 09/05/2012 | CN202416269U Pressurizing chamber structure of framed water seal |
| 09/05/2012 | CN202416268U Steel gate |
| 09/05/2012 | CN202416267U Turning plate type cable control gate |
| 09/05/2012 | CN202416266U Vertical hoisting type opening/closing gate |
| 09/05/2012 | CN202416265U Suspension lift type flood gate |
| 09/05/2012 | CN202416264U Rubber dam |
| 09/05/2012 | CN202416263U Concrete faced rockfill dam compounded with gravity dam |
| 09/05/2012 | CN202416262U Sand filtering dam |
| 09/05/2012 | CN102182163B Assembled type debris flow silt dam and construction method thereof |
| 08/30/2012 | US20120219360 Mooring device for flap-gate breakwater |
| 08/29/2012 | CN202401436U Upper sealing strip used for gate |
| 08/29/2012 | CN202401435U Lateral seal strip for gates |
| 08/29/2012 | CN202401434U Gate slot embedded part structure of radial working gate for scouring sluice |
| 08/29/2012 | CN202401433U Lateral water stop structure of cambered operating gate of scouring sluice |
| 08/29/2012 | CN202401432U Water breaking structure for steel gate |
| 08/29/2012 | CN202401431U Supporting hinge arrangement structure of arc-shaped service gate of scouring sluice |
| 08/29/2012 | CN202401430U Combined gate |
| 08/29/2012 | CN202401429U Automatic opening and closing flood gate |
| 08/29/2012 | CN102652198A Mechanism for maintaining upright state of breakwater flap gate |
| 08/22/2012 | CN202390813U Concrete mold bag for maintenance of gate water seal |
| 08/22/2012 | CN202390812U Self-adjusting gate |
| 08/22/2012 | CN202390811U Flap gate capable of automatically clearing off sludge |
| 08/22/2012 | CN202390810U Flap gate capable of automatically removing sundries |
| 08/22/2012 | CN202390809U Manumatic worm-type open-close machine |
| 08/22/2012 | CN202390808U Plane sliding gate |
| 08/22/2012 | CN202390807U Concrete-faced rockfill dam crack control device |
| 08/22/2012 | CN102644259A Anchored concrete retaining wall rock-fill dam and building method thereof |
| 08/22/2012 | CN101748708B 4.5 or 4 meter high toe board structure of concrete-face rick-fill dam and construction method thereof |
| 08/21/2012 | US8246272 Actuated spill barrier |
| 08/16/2012 | US20120207545 Rapid Deployment, Self-Inflating, Interlocking, Modular Flood-Water Barrier Wall System |
| 08/15/2012 | CN202380448U Cambered service gate |
| 08/15/2012 | CN202380447U Plane steel gate hydraulic hoist |
| 08/15/2012 | CN202380442U Improved structure of water stopping door |
| 08/15/2012 | CN102635098A Hydraulically-driven winching type starting and stopping machine |
| 08/15/2012 | CN102635097A Active gate bottom-edge device with function of adjusting water column pressure |
| 08/15/2012 | CN102635096A Passive gate bottom-edge device with function of automatic adjustment of water column pressure |
| 08/15/2012 | CN102635091A Earth and rockfill dam impervious element and building method thereof |
| 08/15/2012 | CN102155007B Hydraulic system for trolley driving mechanism of inclined sliding door hoist |
| 08/14/2012 | US8240951 Diverting storm surge-apparatus and method |
| 08/14/2012 | CA2592359C Adjustable weir for hydroelectric dam installations |
| 08/08/2012 | DE202012003918U1 Wasserwerk mit 4 Quadranten DS Leistungsantrieb 25KW, 50KW bis 100KW mit Netzrückeinspeisung und Energieeinsparpotential von 40 - 100% für: -Schöpfwerke - Wehranlagen -Schleusenanlagen -Abwasseranlagen Waterworks with 4 quadrants DS-efficiency propulsion 25KW, 50KW to 100KW with regenerative power supply and energy savings from 40 to 100% for: -Schöpfwerke - weirs -Schleusenanlagen -Abwasseranlagen |
| 08/08/2012 | CN202369973U Drain hole for dam toe draining curtain of arched concrete dam |
| 08/08/2012 | CN202369972U Folding water stopping structure of steel dam bottom shaft |
| 08/08/2012 | CN202369971U Automatic opening and closing gate |
| 08/08/2012 | CN202369970U Gate mechanism for pump station |
| 08/08/2012 | CN202369969U Variable cross-section gravity type debris flow debris dam |
| 08/02/2012 | WO2012101290A1 Swimming-pool- or bathtub-access system |
| 08/02/2012 | US20120195687 Flood wall protection system |
| 08/01/2012 | CN202359538U Manual and automatic flap gate |
| 08/01/2012 | CN202359537U Door sheet structure of water dam |
| 08/01/2012 | CN202359536U Pressurized water stop device of gate |
| 08/01/2012 | CN202359535U Guide rail fixing structure for gate |
| 08/01/2012 | CN102619199A Automatic flap valve |
| 08/01/2012 | CN102619198A Sub-dam construction method of tailing dam and prefabricated member for method |
| 08/01/2012 | CN102619197A Face slab dam rolling and slope fixing device and face slab dam rolling and slope fixing construction method |
| 08/01/2012 | CN102619196A Connector of concrete dam and earth dam in coastal wide river valley region |
| 08/01/2012 | CN102619195A Combined dam for stopping debris flow |
| 08/01/2012 | CN102619194A Method for closure of high-flow-rate closure gap by riprapping and frames used in method |
| 08/01/2012 | CN102619193A Dam blocking air bag and vulcanizing boiler vulcanization processing method thereof |
| 08/01/2012 | CN102108692B Roller compacted concrete dam and slit forming method thereof |
| 07/25/2012 | CN202347502U Trunnion lodging type gate |
| 07/25/2012 | CN202347501U Compact lifting horizontal bulkhead gate hydraulic hoist |
| 07/25/2012 | CN202347500U Integrated cable-penetrating guiding device for U-shaped anchor cable |
| 07/25/2012 | CN202347499U Inverted hydraulic headstock gear |
| 07/25/2012 | CN102605751A Bottom shaft bearing of bottom shaft driven flap gate |
| 07/25/2012 | CN102605750A Grouting reinforcement and earthquake resisting method for earth and rockfill dam |
| 07/25/2012 | CN102605749A Construction method of shuttle-shaped dam for intercepting debris flow |
| 07/25/2012 | CN102605745A Flood-control dam system aiming at open pit coal mine and constructing method of flood-control dam system |
| 07/25/2012 | CN102080496B Flood preventing and water retaining device |
| 07/25/2012 | CN101691746B Underwater hydraulic axis-penetrating locking device |
| 07/18/2012 | CN202337968U 圆闸门结构 Round gate structure |
| 07/18/2012 | CN102597376A Mooring device for flap gate type breakwater |
| 07/18/2012 | CN102587490A Scrap tire prestressing mesh and pipe column |
| 07/18/2012 | CN102587332A Construction method for underwater plugging of gate groove of hydraulic structure with no gate guide |
| 07/18/2012 | CN102587331A Method for mounting embedded parts of submerged gate sills and device for realizing method |
| 07/18/2012 | CN102587330A Arc-shaped labyrinth weir with downstream dropping slope chute |
| 07/18/2012 | CN102587329A Arched combined faceplate for earth-rock dam and construction method thereof |
| 07/12/2012 | US20120174501 Flood vent |
| 07/11/2012 | CN202334743U 基于无线网络的水闸安全监控系统 Sluice safety monitoring system based on wireless network |
| 07/11/2012 | CN202323889U 一种闸门槽碳纤维变功率融冰装置 One kind of carbon fiber variable power gate slots ice-melting device |
| 07/11/2012 | CN202323888U 一种全自动全封闭水闸启闭机绳孔封堵门 A fully automated closed sluice gate hoist rope hole closure |
| 07/11/2012 | CN202323887U Steel-concrete combined support arm for hydraulic and hydroelectric engineering and cambered gate applying steel-concrete combined support arm |
| 07/11/2012 | CN202323886U 中小型水库闸门装置 Small reservoir gate device |
| 07/11/2012 | CN202323885U 手动启闭水闸 Manually open and close gates |
| 07/11/2012 | CN202323884U 中小型水库闸门启闭设备 Small reservoirs gate hoisting equipment |
| 07/11/2012 | CN202323883U Connecting structure of gate piers of hydraulic buildings at seismic-intensity area |
| 07/11/2012 | CN202323882U Concreting block bottom structure for abrupt-slope section of arch dam |
| 07/11/2012 | CN202323881U 悬臂翻升钢模板 Cantilever turned up steel formwork |