| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 07/11/2012 | CN202323880U Reverse osmosis drainage system of concrete face rockfill dam in construction period |
| 07/11/2012 | CN202323879U Rock-fill dam for preventing seepage by combining with grouted stone |
| 07/11/2012 | CN202323878U RCC (Roller compacted concrete) vertical transportation structure |
| 07/11/2012 | CN102575950A Flow meter assembly, gate assemblies and methods of flow measurement |
| 07/11/2012 | CN102572387A Wireless-network-based water gate security monitoring system |
| 07/11/2012 | CN102561278A Steel gate and operating method thereof |
| 07/11/2012 | CN102561277A Medium- and large-sized fixed winch hoist for spillway radial gates |
| 07/11/2012 | CN102561276A Bottom shaft section connecting device of turnover board gate |
| 07/11/2012 | CN102561275A Flap type rope controlled gate |
| 07/11/2012 | CN102561274A Modular FRP (fiber reinforced plastic) gate |
| 07/11/2012 | CN102561273A Self-adjusting water intake device |
| 07/11/2012 | CN102561272A Flexibly-foldable movable flood control gate |
| 07/11/2012 | CN102561271A Polymer grout injected earth-rock dam and construction method thereof |
| 07/11/2012 | CN102561270A Production process of seamless rubber dam bag |
| 07/05/2012 | WO2012092120A1 Super elevation surface self-actuating flood barrier |
| 07/05/2012 | WO2012092112A1 Self-actuating storm surge barrier |
| 07/05/2012 | WO2012090984A1 Opening/closing, lifting/lowering device for water gate |
| 07/04/2012 | CN202298573U Temporary enclosing structure for water-through tunnel inlet gate groove notch |
| 07/04/2012 | CN202298572U 方闸门挡块及其安装结构 Side gate stopper and mounting structure |
| 07/04/2012 | CN202298571U 一种液压卧倒坝 A hydraulic lie down dam |
| 07/04/2012 | CN202298570U Arc-shaped gate with multi-supporting-arm compound hinge structure for water conservancy and hydroelectric engineering |
| 07/04/2012 | CN202298569U 钢面水力自控翻板闸门 Steel surface hydraulic flap gate |
| 07/04/2012 | CN202298568U 钢坝闸门的液压锁定系统 Hydraulic steel dam gate locking system |
| 07/04/2012 | CN202298567U 方闸门 Side gate |
| 07/04/2012 | CN202298566U 一种卷扬式启闭机的手摇设备 One kind of hand hoist winch equipment |
| 07/04/2012 | CN202298565U 一种模板 A templating |
| 07/04/2012 | CN202298564U Anti-seismic and water-stopping structure for concrete face rock-fill dam |
| 07/04/2012 | CN102535410A Novel turnable water retaining device |
| 07/04/2012 | CN102535409A Steel frame dam |
| 07/04/2012 | CN102535408A Semi-assembly type ecological debris flow check dam, and construction method thereof |
| 07/04/2012 | CN102530733A Large radial gate lifting equipment and lifting method thereof |
| 07/04/2012 | CN102102356B Horizontal rotary gate |
| 07/04/2012 | CN102041800B Method for constructing PVC (polyvinyl chloride) composite geomembrane watertight core of earth-rockfill dam |
| 07/04/2012 | CN102031787B Construction method for cofferdam by taking steel tubes, bamboo basketries and plastic cloth as materials |
| 07/04/2012 | CN101914908B Water stop rubber protection device for flat steel gate |
| 07/04/2012 | CN101429756B Tamping method for flexible filling material pointing in concrete slab joint |
| 06/28/2012 | WO2012084783A1 Dam body for a damming device and production method |
| 06/28/2012 | US20120163917 Super elevation surface self-actuating flood barrier |
| 06/28/2012 | US20120163916 Self-actuating storm surge barrier |
| 06/27/2012 | EP2467680A1 Flow meter assembly, gate assemblies and methods of flow measurement |
| 06/27/2012 | CN202284292U 一种启闭机自动抓梁用定位导向装置 One kind of hoist automatically grab the beam with positioning guides |
| 06/27/2012 | CN102518088A Self-regulation gate |
| 06/27/2012 | CN102518087A Bottom gate of reservoir |
| 06/27/2012 | CN102518086A Soil-retaining dam and construction method thereof |
| 06/27/2012 | CN102518085A Ecological water retaining dam |
| 06/27/2012 | CN101709576B Low-heat shrinkage geogrid and preparation method thereof |
| 06/20/2012 | CN202280044U 启闭机的同步纠偏装置 Hoist synchronous rectification device |
| 06/20/2012 | CN102505669A Gate capable of being automatically opened and closed |
| 06/20/2012 | CN102505668A Construction method for reinforcing horizontal crack of gravity dam head by using steel bar |
| 06/20/2012 | CN102505667A Cemented gravel dam |
| 06/20/2012 | CN102505666A Hydraulic sluicing building capable of improving self-cleaning capacity of water body by river drop |
| 06/20/2012 | CN102505665A Sand filtering dam |
| 06/20/2012 | CN102168416B Operating method for displacement-sensor-based angle monitoring system |
| 06/20/2012 | CN102002929B Horizontal screw type headstock gear |
| 06/20/2012 | CN101787685B Pneumatic type gate opening/closing system |
| 06/14/2012 | WO2012076855A1 Automatically operating flood barrier |
| 06/14/2012 | US20120148346 Self-deploying floodwall |
| 06/14/2012 | US20120148345 Undershot Sluice Gate |
| 06/14/2012 | DE102010054072A1 Apparatus for controlling overflow in water systems, particularly in mixed sewage or storm water treatment facilities, has overflow barrier associated with barrage plate |
| 06/13/2012 | CN202273210U 下卧式水力自控翻板闸门 Under the horizontal hydraulic flap gate |
| 06/13/2012 | CN202273209U 整体式水力自控翻板闸门 Integral hydraulic flap gate |
| 06/13/2012 | CN202273208U 水力自控翻板闸门的景观系统 Automatic Hydraulic Control Gate landscape system |
| 06/13/2012 | CN202273207U 滑轮导板为弧形轨道的水力自控翻板闸门 Pulley guides for hydraulic orbital arc flap gate |
| 06/13/2012 | CN202273206U 一种易控式闸门 An easily controlled type gate |
| 06/13/2012 | CN202273205U 一种高强度闸门 A high-intensity gate |
| 06/13/2012 | CN202273204U 一种移动式液力提闸机 A mobile hydraulic lift gates |
| 06/13/2012 | CN202273203U 梯形水坝 Keystone Dam |
| 06/13/2012 | CN202273202U 通道式吊装启闭闸门 Channel-type lifting Gate |
| 06/13/2012 | CN102493409A Self-sealing gate |
| 06/13/2012 | CN102493408A Lock limiting device of shutter dam |
| 06/13/2012 | CN102493407A Flap gate capable of automatically removing silt |
| 06/13/2012 | CN102493406A Hand-operated and automatic dual-purpose flap gate |
| 06/13/2012 | CN102493405A Automatic sundries cleaning flap gate |
| 06/13/2012 | CN102493404A Self-sucking gate |
| 06/13/2012 | CN102493403A Rock-fill dam deformation control technology |
| 06/13/2012 | CN102493402A Insertion type vibration rolling construction method of asphalt concrete core of earth and rockfill dam |
| 06/13/2012 | CN102493401A Method for rapidly plugging dike breach |
| 06/13/2012 | CN102493400A Cut-off box |
| 06/13/2012 | CN102493399A Novel method of tailing dry pile process |
| 06/06/2012 | CN202265806U 大型水工弧门快速安装装置 Large Radial Gate Hydraulic quick mounting device |
| 06/06/2012 | CN202265805U 液控翻转钢坝闸门 Pilot flip steel dam gate |
| 06/06/2012 | CN202265804U 一种自密封轻型不锈钢闸门 A self-sealing lightweight stainless steel gate |
| 06/06/2012 | CN202265803U 一种放水闸门的远程控制系统 Remote control system for drainage gates |
| 05/31/2012 | US20120134750 Water barrier device |
| 05/30/2012 | CN202247815U Valve and valve water seal tightness adjusting device |
| 05/30/2012 | CN202247814U Foldable watertight structure for bed shaft of steel dam |
| 05/30/2012 | CN202247813U Hydraulic flat-slab deck dam |
| 05/30/2012 | CN202247812U Multi-frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-hole |
| 05/30/2012 | CN202247811U Double-support-arm driving bottom-shaft type flap steel gate |
| 05/30/2012 | CN202247810U Triangle support rotating gate |
| 05/30/2012 | CN202247809U Automatic water level control hoist |
| 05/30/2012 | CN202247808U Linked hoist |
| 05/30/2012 | CN202247807U Intelligent water retaining device |
| 05/30/2012 | CN202247806U High-strength strobe |
| 05/30/2012 | CN202247805U Double-sided water stop steel gate |
| 05/30/2012 | CN202247804U High-sealing gate |
| 05/30/2012 | CN202247803U Simple gate |
| 05/30/2012 | CN202247802U Adjustable checkgate |
| 05/30/2012 | CN202247801U High-locking adjusting weir gate |
| 05/30/2012 | CN202247800U Planar steel gate |