| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 09/14/2011 | CN102182164A Gate safety locking device |
| 09/14/2011 | CN102182163A Assembled type debris flow silt dam and construction method thereof |
| 09/14/2011 | CN101956384B Automatic multi-sluice dispatch system based on multi-objective |
| 09/07/2011 | CN201962680U Cooling water pipe layout form for dam |
| 09/07/2011 | CN201962655U 一种用于坡耕地灌溉系统的谷坊排水结构 Gufang drainage structure for sloping farmland irrigation systems |
| 09/07/2011 | CN201962652U 斜拉门式启闭机小车驱动机构的液压系统 Hydraulic system stayed gantry hoist trolley drive mechanism |
| 09/07/2011 | CN201962651U 一种卧式螺杆式启闭机 One kind of horizontal screw hoist |
| 09/07/2011 | CN201962650U 碾压混凝土坝 RCC dam |
| 09/07/2011 | CN201962643U 江河截流管 River interceptor |
| 09/01/2011 | WO2011031082A3 Upper structure for raising dam crests |
| 08/31/2011 | CN201952785U 闸门止水密封装置 Gate sealing sealing device |
| 08/31/2011 | CN201952784U 球面整机调心螺杆启闭机 Aligning spherical machine screw hoist |
| 08/31/2011 | CN201952783U 一种启闭闸门 One kind Gate |
| 08/31/2011 | CN201952779U 防洪挡水闸门结构 Retaining flood control gate structure |
| 08/31/2011 | CN102168416A Operating method for displacement-sensor-based angle monitoring system |
| 08/31/2011 | CN102168415A Motor-driven threaded rod starting and stopping machine |
| 08/31/2011 | CN102168414A Hydraulic hoist and hydraulic and electric control system integrated pump station |
| 08/31/2011 | CN102168413A Water gate structure used in reclamation of land from sea and dam construction and exchanging method of water body in reclaimed area of dam |
| 08/31/2011 | CN102168412A Cradle and method for dam elevation construction by using same |
| 08/31/2011 | CN101974896B Buttress-type steel structure dam |
| 08/31/2011 | CN101775837B Movable water station for rock-fill dam materials |
| 08/31/2011 | CN101063468B Couplings |
| 08/24/2011 | CN201943052U 一种套式阀门 One kind of sleeve valves |
| 08/24/2011 | CN201943051U 自调节环状溢流堰 Self-adjusting ring weir |
| 08/24/2011 | CN201943050U Toe board connection structure of sandwich steel board dam of steel structure |
| 08/24/2011 | CN201943045U 自行式液压悬臂门式防浪墙混凝土浇筑装置 Self-propelled hydraulic Cantilever parapet concrete pouring equipment |
| 08/24/2011 | CN102162229A Sediment storage dam for protecting against large-scale low-frequency debris flow |
| 08/17/2011 | EP2357282A1 A weir |
| 08/17/2011 | CN201933469U 水田用排灌闸门 Paddy field with irrigation gates |
| 08/17/2011 | CN201933468U 液压启闭机高精度电子比例调速自动控制系统 The proportion of high-precision hydraulic hoist speed electronic automatic control system |
| 08/17/2011 | CN201933467U 面板堆石坝坝面施工组合台车 Rockfill dam dam construction portfolio trolley |
| 08/17/2011 | CN102155092A Process for constructing long intermittent layer in wind, dry, hot and high-evaporation environments |
| 08/17/2011 | CN102155007A Hydraulic system for trolley driving mechanism of inclined sliding door hoist |
| 08/17/2011 | CN102155006A Steel structure open web combined dam |
| 08/17/2011 | CN102155005A Steel structural panel sand gravel dam |
| 08/17/2011 | CN102155004A Steel structure combined-type sandwich steel plate rock-fill dam |
| 08/17/2011 | CN102155003A Toe board connecting structure of steel structure sandwich steel plate dam |
| 08/17/2011 | CN102155002A Non-cross-sectional streaming hydraulic engineering building |
| 08/17/2011 | CN101962945B Method for invertedly machining gate flap panel of steel arch-gate |
| 08/17/2011 | CN101787684B Overload protection device of screw open-close machine |
| 08/17/2011 | CN101705670B Automatic valve locking device and control method thereof |
| 08/17/2011 | CN101705668B Damming water conservancy project construction structure constructed in flowing water and construction method thereof |
| 08/16/2011 | US7997828 Retaining wall |
| 08/10/2011 | CN201924323U 用于驱动斜拉门机或斜拉台车式启闭机小车的液压缸 Stayed door for driving or stayed trolley hoist trolley hydraulic cylinders |
| 08/10/2011 | CN201924322U 一种深孔弧门面板 One kind of deep hole radial gate panel |
| 08/10/2011 | CN102146667A Lifting starting and stopping system for rotating gate |
| 08/10/2011 | CN101537556B Device and method for processing rotary reamedholes of long rotary ream door lintel of gate of hydropower station |
| 08/04/2011 | WO2011092897A1 Floating body connection-type flap gate |
| 08/03/2011 | CN201915366U 用于旋转闸门的卷扬启闭系统 For rotating gate hoist winch system |
| 08/03/2011 | CN201915365U 一种组合式螺杆式启闭机 A modular screw hoist |
| 08/03/2011 | CN201915364U 一种立式螺杆式启闭机 To provide a vertical screw hoist |
| 08/03/2011 | CN201915363U 一种智能控制堰门 An intelligent control weir gate |
| 08/03/2011 | CN201915362U 一种橡胶填块闸门 A rubber filler block gate |
| 08/03/2011 | CN201915361U 拱坝及连拱坝消减温荷系统 Arch and arch dam temperature Dutch abatement system |
| 08/03/2011 | CN102140788A Tailing dam construction method and special water baffle device |
| 08/03/2011 | CN102140787A Steel cable dam |
| 07/28/2011 | US20110182669 Flood vent |
| 07/27/2011 | CN201908282U High-head anti-seismic radial gate with main beam |
| 07/27/2011 | CN201908281U Horizontal-type rotary cylinder gate |
| 07/27/2011 | CN201908280U Gate for scouring sediment in pump tank |
| 07/27/2011 | CN201908279U Constant direct-pull hoist |
| 07/27/2011 | CN101886376B Unpowered water control rolling steel gate |
| 07/27/2011 | CN101864805B Steel dam space truss structure unit body and arch-style steel dam |
| 07/27/2011 | CN101736720B Bottom sealing method for intestinal bag concrete, plastic clay and conventional concrete in steel cofferdam |
| 07/27/2011 | CN101525873B Pier hydraulic leveling inner-climbing climbing form and concrete pouring method thereby |
| 07/21/2011 | US20110176869 Multi-rate flow control system for a detention pond |
| 07/20/2011 | CN201901862U Flexible folding movable flood control gate |
| 07/13/2011 | CN201896307U Hydraulic self-locking beam for flat gate |
| 07/12/2011 | US7976240 Flood barrier |
| 07/06/2011 | CN201891108U Gate |
| 07/06/2011 | CN201891107U One-way water flowing hydraulic intercepting facility capable of controlling highest water level of downstream |
| 07/06/2011 | CN201891104U Combination bag outer prism structure for tidal flat reclamation |
| 07/06/2011 | CN201890736U Double-lifting point electric hoist |
| 07/06/2011 | CN102116014A Method for measuring and calculating characteristics of breach of landslide and debris-flow dam and application thereof |
| 07/06/2011 | CN101881016B Combined multi-arch type steel-structure dam |
| 06/30/2011 | WO2011077064A1 Leaf for a mitre gate and mitre gate including such a leaf |
| 06/30/2011 | CA2785574A1 Leaf for a mitre gate and mitre gate including such a leaf |
| 06/29/2011 | CN201883416U Half air-cushion closed type siphon well |
| 06/29/2011 | CN102108692A Roller compacted concrete dam and slit forming method thereof |
| 06/23/2011 | WO2011074303A1 Mechanism for maintaining upright state of breakwater flap gate |
| 06/22/2011 | CN201873972U Telemetering manual water measuring weir plate gate |
| 06/22/2011 | CN201873971U Start-stop device of water conservancy gate |
| 06/22/2011 | CN201873970U Prestressed pier |
| 06/22/2011 | CN201873969U Novel DC electric machine for automatically removing-dust and oiling for screw rod of culvert gate hoister |
| 06/22/2011 | CN102102356A Horizontal rotary gate |
| 06/22/2011 | CN102102355A Non-multiplying-power straight pull type hoist |
| 06/22/2011 | CN102102354A 水工振动闸门 Hydraulic vibration Gate |
| 06/22/2011 | CN102102349A Universal technology for river, lake and ditch field expansion afforestation shunting flood discharge water storage tourism landscape ecological chain industrialization |
| 06/15/2011 | CN201865087U Hydraulic flap gate |
| 06/15/2011 | CN201865086U Double interlocking track gate |
| 06/15/2011 | CN201865085U Stoplog type bulkhead gate with variable width |
| 06/15/2011 | CN201865084U Combined multiple-arch type steel dam |
| 06/15/2011 | CN102099530A Self closing flood barrier and method for protecting a hinterland using same |
| 06/15/2011 | CN101555686B Support bar for trial assembling and adjusting of hydropower station tainter valve |
| 06/08/2011 | CN201857604U Novel gate |
| 06/08/2011 | CN201857603U Heightened gravity dam |
| 06/08/2011 | CN102086640A Flood protection wall automatically synchronizing with water level elevation |
| 06/08/2011 | CN102086639A Power-free automatic opening and closing sluice gate |
| 06/08/2011 | CN102086638A Method and device for handling underwater pin insertion fault of hydraulic automatic grabbing beam of gantry crane |
| 06/08/2011 | CN102086637A Large high-pressure seamless rubber airbag and production process thereof |