| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 05/30/2012 | CN202247799U Gate |
| 05/30/2012 | CN202247798U Large-cantilever superposed member |
| 05/30/2012 | CN202247797U Novel environment-friendly integration hoist |
| 05/30/2012 | CN202247796U Assemble type thin-walled check dam |
| 05/30/2012 | CN202247795U Cut-off device of water body |
| 05/30/2012 | CN202247794U Explosion-proof rubber dam body |
| 05/30/2012 | CN202247793U Multifunctional suspension dam |
| 05/30/2012 | CN202247792U Gate for measuring flow quantity through flow velocity |
| 05/30/2012 | CN202245886U Control system of winch hoist |
| 05/30/2012 | CN102155006B Steel structure open web combined dam |
| 05/30/2012 | CN102155003B Toe board connecting structure of steel structure sandwich steel plate dam |
| 05/30/2012 | CN102140788B Tailing dam construction method and special water baffle device |
| 05/30/2012 | CN102041802B Vertical screw open-close machine |
| 05/30/2012 | CN101824813B Dam crack and aging resisting method based on coupled temperature and humidity |
| 05/30/2012 | CN101806049B Culvert water gate floating transportation and installation technology |
| 05/23/2012 | CN202227323U Multifunctional flap gate |
| 05/23/2012 | CN202227322U Single-support arm driving bottom shaft type flap steel gate |
| 05/23/2012 | CN202227321U Cross-shaped hinge rack for installing oil cylinder of hydraulic hoist |
| 05/23/2012 | CN202227320U Tooth pin type opening and closing machine |
| 05/23/2012 | CN102465511A 一种双联销轨道闸门 A dual track gate Lianxiao |
| 05/23/2012 | CN102465510A 一种可变宽度叠梁式检修闸门 A variable width of the beam bulkhead gate stack |
| 05/23/2012 | CN102465509A 具有消能的大坝 With a dam energy dissipation |
| 05/23/2012 | CN102146667B Lifting starting and stopping system for rotating gate |
| 05/23/2012 | CN102102355B Non-multiplying-power straight pull type hoist |
| 05/17/2012 | US20120121336 Barriers and Methods Thereof |
| 05/16/2012 | CN102454162A Method for preventing and controlling reservoir piping by using oriental weatherfish |
| 05/15/2012 | US8177457 Pipeline protection and levee module system |
| 05/09/2012 | CN202214712U Water stopping device at gate leaf bottom of steel dam |
| 05/09/2012 | CN202214711U Welded connection structure for bottom shaft of steel dam |
| 05/09/2012 | CN202214710U Overflowing-drainage integrated brake weir |
| 05/09/2012 | CN102444108A Foldable steel dam bottom shaft watertight structure |
| 05/09/2012 | CN102444107A Control gates |
| 05/09/2012 | CN102071668B Dam grout stopping body and arranging method thereof |
| 05/08/2012 | US8173242 UV resistant multilayered cellular confinement system |
| 05/03/2012 | WO2011149225A3 Multifunctional movable-weir sluice gate system for purifying contaminated river water |
| 05/02/2012 | CN202208907U Concrete curved surface drawing die system for buried-type rail |
| 05/02/2012 | CN102433862A Automatic switch of radial gate suitable for culvert |
| 04/25/2012 | CN202202309U 手电两用集成式液压启闭机 Flashlight dual integrated hydraulic hoist |
| 04/25/2012 | CN202202308U 整体式液压启闭机 Integral hydraulic hoist |
| 04/25/2012 | CN1908317B Water control valve and its actuator |
| 04/25/2012 | CN102425143A 旋转闸门 Rotating gate |
| 04/25/2012 | CN102425142A 角度监测翻板闸门 Angle monitoring flap gate |
| 04/25/2012 | CN102425141A Large cantilever superposing member and construction method thereof |
| 04/25/2012 | CN102425140A Special mobile support frame for high-altitude arch closing and construction method thereof |
| 04/25/2012 | CN102425139A 深水江河流水中建设水坝的方法 The method of construction of deep-water rivers flowing water dam |
| 04/25/2012 | CN101881017B 排异重流复合型堰 Rejection heavy flow complex weir |
| 04/19/2012 | WO2011125072A4 Water velocity enhancement apparatus in canal structure for electrical power generation system |
| 04/18/2012 | CN202194115U 涵闸升降机 Culvert lifts |
| 04/18/2012 | CN102418329A 大型水工弧门快速安装方法 Large Radial Gate Hydraulic Quick Installation Method |
| 04/18/2012 | CN102182167B 用于坝体闸门的斜拉双向门式启闭机 Stayed bidirectional gantry hoist for the dam gates |
| 04/12/2012 | WO2012047173A1 A floodgate |
| 04/12/2012 | US20120087734 Storm water diversion device |
| 04/12/2012 | US20120087733 Intelligent hydroelectric dam with power storage |
| 04/11/2012 | CN202187325U 一种水电站动滑轮组保护装置 One kind of group protection device movable pulley station |
| 04/11/2012 | CN202187324U Horizontal hydraulic cylinder cross hinge welding rack |
| 04/11/2012 | CN202187323U 一种高拱坝上游面柔性复合防渗层 A high-arch dam upstream face of the flexible composite impermeable layer |
| 04/11/2012 | CN202187317U 手动下卧式防汛景观门 Under the Flood Control Manual horizontal landscape door |
| 04/11/2012 | CN102409647A 一种农村远程电控排水系统 One kind of drainage system in rural remote electric control |
| 04/11/2012 | CN102409640A 一种土石坝溃坝被动泄流抢险方法 One kind of passive dam embankment dam discharge rescue methods |
| 04/11/2012 | CN102061677B 一种适用于河道正常水位下全断面水体湿地净化系统 One for normal water level of the river full section under water wetland purification system |
| 04/11/2012 | CN101718086B 一种混凝土-堆石混合坝及其施工方法 For concrete - mixed rockfill dam and its construction method |
| 04/11/2012 | CN101666074B 采用双亏轮转动机构的流体闸或阀 Loss of wheel rotation mechanism with dual brake fluid or valve |
| 04/04/2012 | CN202181541U 一种闸门堰门启闭可视装置 One kind of visual device gate weir gate hoist |
| 04/04/2012 | CN202181540U 一种碾压混凝土拱坝 One kind of roller compacted concrete arch dam |
| 04/04/2012 | CN202181539U Dam body seepage monitoring structure used for earth-rock dam with abandoned dreg site arranged behind |
| 04/04/2012 | CN102041799B 一种拦截消防废水的挡水吸水坝的制作方法 A method of making wastewater interceptor Fire suck retaining dams |
| 03/28/2012 | CN202175938U 液压启闭机控制装置 Hydraulic hoist control device |
| 03/28/2012 | CN202175937U 废轮胎溢流坝 Tires spillway |
| 03/28/2012 | CN202175936U 一种堆石混凝土坝 One kind of concrete rockfill dam |
| 03/28/2012 | CN102392429A Headwork stratified water intaking method for Yellow River diversion irrigation district |
| 03/22/2012 | US20120070232 Installation of leakage barriers to enhance yield of mineral deposits in unlined solar pond systems |
| 03/22/2012 | DE202012001530U1 Sielbauwerk Sielbauwerk |
| 03/22/2012 | DE102011105721A1 Antriebssystem für Segmenttore Propulsion system for segmented gates |
| 03/21/2012 | CN202171860U 液压启闭机语音报警装置 Hydraulic hoist voice alarm device |
| 03/21/2012 | CN202170501U 一种多功能闸门系统 A multifunctional gate system |
| 03/21/2012 | CN202170500U 一种面板堆石坝 One kind of face rockfill dam |
| 03/21/2012 | CN202170499U 一种浆砌石坝 One kind of masonry dam |
| 03/21/2012 | CN202170460U 承重结构层及土工格栅 Load-bearing structural layer and geogrid |
| 03/21/2012 | CN102383405A River channel saw-tooth sluice gate |
| 03/21/2012 | CN102383404A Intelligent water retaining device |
| 03/21/2012 | CN102383403A Combined gate-type dry dock door |
| 03/21/2012 | CN102383402A Synchronous rectifying device for hoist |
| 03/21/2012 | CN102383401A Overflow water drainage integral type sluice weir |
| 03/15/2012 | WO2011125072A3 Water velocity enhancement apparatus in canal structure for electrical power generation system |
| 03/14/2012 | EP2427605A1 Connection and support column |
| 03/14/2012 | CN202164585U 摆动式螺杆启闭机 Swing screw hoist |
| 03/14/2012 | CN202164584U 一种改善船闸闸门门库水沙条件的结构 A method for improving the library door lock gate structure of water and sediment conditions |
| 03/14/2012 | CN202164583U 涵闸 Culvert |
| 03/14/2012 | CN202164582U 梯形圆弧止水装置 Keystone arc sealing device |
| 03/07/2012 | CN202157313U 卧倒门弧形底止水结构 Lie down doors arc up to the end of water structure |
| 03/07/2012 | CN202157312U 一种钢坝门叶底止水结构 Type of steel dam door sealing structure Securinega |
| 03/07/2012 | CN202157311U 折叠式钢坝底轴止水结构 Foldable steel dam bottom axis sealing structure |
| 03/07/2012 | CN202157310U 启闭机锁定装置 Hoist locking device |
| 03/07/2012 | CN202157309U 钢坝底轴 Steel dam bottom axis |
| 03/07/2012 | CN202157308U 平板闸门导向装置 Flat Gate guide |
| 03/07/2012 | CN202157307U 底轴轴向定位装置 Bottom axis axial positioning device |
| 03/07/2012 | CN202157306U 一种建于峡谷中的防溃坝防渗漏水电站大坝 One kind built in the canyon of the anti-dam hydropower dam leakage prevention |
| 02/22/2012 | CN202148519U 升卧式平面钢闸门液压启闭机 L horizontal flat steel gate hydraulic hoist |
| 02/22/2012 | CN202148518U 多级连续船闸闸室钢质人字门火灾防护系统 Lock Chamber multistage continuous steel miter gate of fire protection systems |
| 02/22/2012 | CN202148517U 一种集成式闸门 An integrated gate |