| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 01/09/2013 | CN202658581U Sluice emergency control system |
| 01/09/2013 | CN202658580U Dam gate protecting device |
| 01/09/2013 | CN202658579U Concrete double-support large-size template |
| 01/09/2013 | CN102864761A Connection method of water inlet, gravity dam and deep covering layer bank slope |
| 01/09/2013 | CN102864760A Gravel masonry dam material filling construction method in cold region |
| 01/09/2013 | CN102864758A Construction method of rolling compaction type asphalt concrete impervious core wall in high altitude and cold areas |
| 01/02/2013 | CN202649741U Low power consumption wireless gate controller |
| 01/02/2013 | CN202644493U Submerged and horizontal type hydraulic gate |
| 01/02/2013 | CN202644492U Fan-shaped stainless steel plate water-stopping wall |
| 01/02/2013 | CN202644491U Urban landscape steel gate |
| 01/02/2013 | CN202644490U Hydraulic controllable turning plate gate |
| 01/02/2013 | CN202644489U Hydraulic self-control flap gate |
| 01/02/2013 | CN202644488U Gate station lifting device for water conservancy |
| 01/02/2013 | CN202644487U Wall template device of gate pier |
| 01/02/2013 | CN202644486U Rammer head for slope ramming machine |
| 01/02/2013 | CN202644485U Storage dam with adjustable water level |
| 01/02/2013 | CN202644484U Rack pipe type temporary water discharge outlet for cofferdam |
| 01/02/2013 | CN202644483U Pier large steel template |
| 01/02/2013 | CN102852122A Eco-friendly subsidiary dam capable of improving gas supersaturation |
| 01/02/2013 | CN102852121A Artificial composite foundation for building clay core rock-fill dam on deep overburden and construction method for artificial composite foundation |
| 01/02/2013 | CN102849904A Method for reducing total phosphorus in polluted river |
| 01/02/2013 | CN102849608A Interlocking automatic hooking-unhooking device and use thereof |
| 12/27/2012 | US20120328368 Methods for waterproofing depositing sites |
| 12/26/2012 | CN202626955U Drive mechanism of hydraulic self-control turnover-panel gate |
| 12/26/2012 | CN202626954U Non-rising stem screw rod headstock gear |
| 12/26/2012 | CN202626953U Pressing check ring winding drum device for high-lift winching type hoist |
| 12/26/2012 | CN202626952U Double-jacking screw hoist |
| 12/26/2012 | CN202626951U Digitized toothed bar type hoist |
| 12/26/2012 | CN202626950U Cast-iron gate with high reverse lift |
| 12/26/2012 | CN202626949U Connection structure of irrigation and drainage holes of dam foundation of arched concrete dam and inner gallery of dam body |
| 12/26/2012 | CN202626948U Polrvinyl chloride (PVC) membrane seepage-proofing dam wall |
| 12/26/2012 | CN202626947U Picking flow type flaring pier of overflow dam |
| 12/26/2012 | CN202626946U River surge blocking dam with combination of rubber dam and steel dam |
| 12/26/2012 | CN202626945U Rubbing mill guided by laser infrared rays |
| 12/26/2012 | CN202626942U Template clip for fixing and protecting copper water stop |
| 12/26/2012 | CN102839638A Hydraulic driving system for hydraulic driving bottom shaft rotating steel dam valve |
| 12/19/2012 | CN202610772U Sealing structure used for copper frame |
| 12/19/2012 | CN202610771U Copper frame water stop device for cast iron gate |
| 12/19/2012 | CN202610770U Bottom shaft-driven type flap gate |
| 12/19/2012 | CN202610769U Locking and limiting device of shutter dam |
| 12/19/2012 | CN202610768U Anti-seismic girder structure of dam body |
| 12/13/2012 | US20120315093 Water management barriers, systems, and methods of using the same |
| 12/12/2012 | CN202595709U Novel turnover water blocking device |
| 12/12/2012 | CN202595708U Tandem bulkhead gate |
| 12/12/2012 | CN202595707U Water gate capable of blocking garbage |
| 12/12/2012 | CN202595706U Mechanical type wire control headstock gear directly driven by motor |
| 12/12/2012 | CN202594570U High tower rack gate shaft vertical transportation system |
| 12/06/2012 | WO2012163266A1 Method for discharging water from dam concrete placing area via concealed pipe |
| 12/05/2012 | CN202580077U Water filling valve device of lock gate |
| 12/05/2012 | CN202577960U Suspension outer bearing type combination steel formwork applied in roller compacted concrete (RCC) construction |
| 12/05/2012 | CN202577251U No dam type high power generating system device for large river |
| 12/05/2012 | CN202577246U Support structure for open top type arc door hydraulic hoist |
| 12/05/2012 | CN202577245U Self-controlled turnover plate type valve |
| 12/05/2012 | CN202577244U Multi-lifting point multi-longitudinal fixed wheel supported plane gate |
| 12/05/2012 | CN202577243U Turnover plate type plugging valve for diversion tunnel |
| 12/05/2012 | CN202577242U Remote perceptible high-precision ceramic piston rod hydraulic hoist system |
| 12/05/2012 | CN202577241U Dam bag of helical steel mesh rubber dam |
| 12/05/2012 | CN102808395A Personalized control method for cantilever height of ultra-high arch dam |
| 12/03/2012 | DE202012104012U1 Vorrichtung zur Regulierung des Flüssigkeitsstands in einem Flüssigkeitsspeicher Device for regulating the level of liquid in a liquid storage |
| 11/29/2012 | WO2012160877A1 Floating flap gate |
| 11/29/2012 | WO2010058336A3 System for preventing overflows 2 |
| 11/28/2012 | CN202559318U Floating matter emptying device of sluice gate |
| 11/28/2012 | CN202559317U Easily controlled gate |
| 11/28/2012 | CN202559316U Downward-open lock gate |
| 11/28/2012 | CN202559315U Automatic induction type gate |
| 11/28/2012 | CN202559314U High-strength sluice gate |
| 11/28/2012 | CN202559313U Hydraulic balancing device of steel gate water levels |
| 11/28/2012 | CN202559312U High-strength double-layer sluice gate |
| 11/28/2012 | CN202559311U Gate with adjustable discharge water level |
| 11/28/2012 | CN202559310U Detachable moving-type check dam |
| 11/28/2012 | CN202559309U Elastic anchoring block of rubber dam |
| 11/28/2012 | CN102797719A Synchronous valve block of surface discharge outlet gate hydraulic hoist |
| 11/28/2012 | CN102797243A Wall penetrating seal structure of underwater rotating shaft of steel dam gate |
| 11/28/2012 | CN102797242A Arrangement structure of overflow surface holes of arch dam |
| 11/28/2012 | CN102797241A Resin panel earth-rock fill dam and panel construction method |
| 11/28/2012 | CN102797240A Construction method of barrage capable of reducing reservoir slit |
| 11/28/2012 | CN102086637B Large high-pressure seamless rubber airbag and production process thereof |
| 11/28/2012 | CN102071662B Method for restoring ecology integrating substrates, hydrology and organisms in bank collapse lakeside |
| 11/22/2012 | WO2012129586A3 Weir plant |
| 11/22/2012 | US20120294678 Floating body connection-type flap gate |
| 11/21/2012 | CN202543869U Draw-rod-limited back-pressure-adjustable radial gate head water-seal anti-jetting device |
| 11/21/2012 | CN202543868U Electrical remote control device for small-size riverway water gate |
| 11/21/2012 | CN202543867U Autocontrol flood gate |
| 11/21/2012 | CN202543866U Multifunctional sluice gate |
| 11/21/2012 | CN202543865U Anti-seismic structure considering afforestation of concrete face rockfill dam |
| 11/21/2012 | CN202543864U Joint of concrete dam and earth dam in coastal wide river valley region |
| 11/21/2012 | CN102787585A Floating flap gate |
| 11/21/2012 | CN102071664B Room temperature vulcanizing high-strength seamless large-scale rubber air sac and production technology thereof |
| 11/20/2012 | US8313265 Water management barrier and system |
| 11/14/2012 | CN202530431U Automatic flap valve |
| 11/14/2012 | CN202530430U Quick gate with small built-in flap valve |
| 11/14/2012 | CN202530429U Hidden concrete vibrating beam bracket for dam surface concrete construction |
| 11/14/2012 | CN202530423U Water stop arrangement structure of concrete gravity dam |
| 11/13/2012 | US8308396 Flood vent |
| 11/07/2012 | CN202519638U Semi-submersible type float body access door |
| 11/07/2012 | CN202519637U Winding type locking device used for down-hole arch gate |
| 11/07/2012 | CN202519636U Hydraulic rotary type locking device used for down-hole arch gate |
| 11/07/2012 | CN202519635U Crescent gate |
| 11/07/2012 | CN202519634U Bottom shaft support for bottom shaft driven flap gate |
| 11/07/2012 | CN202519633U Automatic gate valve opening and closing device for water intake tank of mountain river channel |