| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 03/20/2013 | CN202809556U Flood prevention apparatus |
| 03/20/2013 | CN102979063A Down-the-hole radial gate with multiple frames and multiple trunnions and two lifting pad eyes |
| 03/20/2013 | CN102979062A Baffle device for cyclone well |
| 03/20/2013 | CN102979061A Oblique membrane core wall earth and rockfill dam and anti-seepage body construction method thereof |
| 03/20/2013 | CN102286958B Method for excavating out face rockfill dam toe slab concrete with quality defects in construction period |
| 03/13/2013 | CN202787190U Frame used in riprap closure method for high flow rate closure gap |
| 03/13/2013 | CN102966079A Stepped upstream head wrapper for longitudinal cofferdam |
| 03/13/2013 | CN102966078A Method for determining inferior limit of safety coefficient of abutment stability of arch dam |
| 03/12/2013 | US8393827 Box service panel door and equalizer |
| 03/12/2013 | CA2751405C Opening/closing device |
| 03/07/2013 | WO2013031295A1 Flood-protection-plate device |
| 03/07/2013 | WO2013031294A1 Flood-protection-plate device |
| 03/06/2013 | CN202767035U Manual operation on-and-off gate |
| 03/06/2013 | CN202767034U Dynamic heating ice-melting device for plumber |
| 03/06/2013 | CN202767033U Underwater positioning adjusting device of concrete stoplog |
| 03/06/2013 | CN102953357A Solid-liquid buffer |
| 03/06/2013 | CN102953356A Linkage hoist |
| 03/06/2013 | CN102953355A Construction method and structure for accelerating temporary hole crossing of concrete dam body |
| 03/06/2013 | CN102277859B Method for optimizing grain composition of blasting rockfill material based on fractal theory |
| 03/06/2013 | CN102261053B Aseismatic measure of high earth-rock dam and construction method thereof |
| 03/06/2013 | CN101565940B Coupling structure of gravity dam and unfavorable geological bank slope and the construction method thereof |
| 03/05/2013 | US8388266 Apparatus for and methods of stabilizing a leaking dam or levee |
| 03/05/2013 | CA2751408C Opening/closing device |
| 02/28/2013 | WO2013027461A1 Door structure for floating flap gate |
| 02/27/2013 | EP2561141A1 Fusegate for a hydraulic construction, in particular a dam |
| 02/27/2013 | CN202755353U Hydraulic hoist locking device |
| 02/27/2013 | CN202755352U Polyurethane heat and humidity preservation flexible protection integrated system for dams |
| 02/27/2013 | CN202755351U Polyurethane thermal insulation moisture preservation inorganic safeguard integration system for dam |
| 02/26/2013 | US8382398 Riparian flood wall structure |
| 02/21/2013 | US20130045051 Undershot Sluice Gate |
| 02/20/2013 | CN202746372U Tapered-rod bolt and gate water seal device |
| 02/20/2013 | CN202745018U Step ladder type gate with landscape |
| 02/20/2013 | CN202745017U Sliding cover type gate |
| 02/20/2013 | CN202745016U Riverway dam body-water gate model |
| 02/19/2013 | CA2427759C Weir for measuring liquid overflow |
| 02/13/2013 | EP2557231A2 Flow weir |
| 02/13/2013 | CN202730724U Through-wall sealing structure for underwater rotating shaft of steel dam gate |
| 02/13/2013 | CN202730723U Main beam type support arm frame structure for radial gate |
| 02/13/2013 | CN202730722U Main longitudinal beam type support arm frame structure for radial gate |
| 02/13/2013 | CN202730721U Main beam type support arm frame for radial gate |
| 02/13/2013 | CN202730720U Crossed supporting device for hydraulic headstock gear |
| 02/13/2013 | CN202730719U Rock-fill dam measuring weir |
| 02/13/2013 | CN102926359A Manual and electric dual-purpose integrated hydraulic hoist |
| 02/13/2013 | CN102926358A 整体式液压启闭机 Integral hydraulic hoist |
| 02/06/2013 | CN202718074U Arranging structure of arch dam spillover surface outlet |
| 02/06/2013 | CN202718073U Mobile draw bar locking device |
| 02/06/2013 | CN202718072U Gravity type quick closing gate hoist |
| 02/06/2013 | CN202718071U Barrage structure capable of lowering silt of reservoir area |
| 02/06/2013 | CN102912770A Sand protecting flap gate |
| 02/06/2013 | CN102912769A Dragline buttress steel dam |
| 02/06/2013 | CN102912768A Earthquake resistant structure of high earth-rock dam in earthquake region |
| 02/05/2013 | US8366348 Raised state holding mechanism of flap gate for breakwater |
| 01/30/2013 | CN202705992U Soft foundation overflow dam coating and seepage isolating technology |
| 01/30/2013 | CN102900092A Artificial composite foundation of concrete face rockfill dam built on deep and thick coverage layer and construction method of artificial composite foundation |
| 01/30/2013 | CN102900052A Slide rail for hydraulic gate |
| 01/30/2013 | CN102261056B Hydraulic control system of flap gate |
| 01/24/2013 | WO2013012005A1 Mortar gate and manufacturing method therefor |
| 01/24/2013 | US20130022404 Method and system for creating a flood barrier |
| 01/24/2013 | US20130022402 Leaf for a mitre gate and mitre gate including such a leaf |
| 01/24/2013 | US20130020331 Portable Dam Assemblies And Methods for Assembling Same |
| 01/23/2013 | CN202689086U Water intake structure for surface layer water intaking |
| 01/23/2013 | CN202688966U Dam gallery arrangement system |
| 01/23/2013 | CN202688965U Ultra-large down-the-hole arc-shaped water gate |
| 01/23/2013 | CN202688964U Automatic sealing device for rope holes of radial gate hoists for water gate engineering |
| 01/23/2013 | CN202688963U Double-driving flap gate system |
| 01/23/2013 | CN202688962U Hydraulic driving gate |
| 01/23/2013 | CN202688961U Gate groove type gate system for low waterhead power station |
| 01/23/2013 | CN202688960U Lifting machine for water conservancy gate |
| 01/23/2013 | CN202688959U Automatic gate on-off control device |
| 01/23/2013 | CN202688958U Plane gate device bearing with fixed wheels |
| 01/23/2013 | CN202688957U Rigid dam safety monitoring device |
| 01/23/2013 | CN202688956U Closure technological frame type closure tool of high-flow-rate closure gap |
| 01/23/2013 | CN202688947U Multi-stage protection rubber dam |
| 01/23/2013 | CN102888827A Protection method and device of water conservancy electric gate valve |
| 01/23/2013 | CN102061682B Combined screw hoist |
| 01/16/2013 | CN202672117U Steel dam bottom shaft side water stopping structure |
| 01/16/2013 | CN202672116U Swinging water conservancy control gate |
| 01/16/2013 | CN202672115U Pneumatic checkgate device |
| 01/16/2013 | CN202672114U Protection type starting and stopping machine |
| 01/16/2013 | CN202672113U Coiling block for hoist |
| 01/16/2013 | CN202672112U Desk headstock gear |
| 01/16/2013 | CN202672111U Radiation type table type starting and stopping machine |
| 01/16/2013 | CN202672110U Guide rope pressing plate with anti-skidding edges |
| 01/16/2013 | CN202672109U Starting and stopping machine convenient to maintain |
| 01/16/2013 | CN202672108U Safety type travelling crane frame for hoist |
| 01/16/2013 | CN202672107U Antiskid guide rope pressing plate for winding drum |
| 01/16/2013 | CN202672106U Pouring template |
| 01/16/2013 | CN202672105U Sandwich-type temporary retaining dam |
| 01/16/2013 | CN202672104U Dam slope for concrete faced rockfill dam |
| 01/16/2013 | CN202672103U Large concrete double-bracing template |
| 01/16/2013 | CN202672102U Disturbed flow rubber dam |
| 01/16/2013 | CN102877443A Sluice interaction control system based on virtual reality and technology of Internet of things |
| 01/16/2013 | CN102877442A Stress anchoring end structure for sluice pier |
| 01/14/2013 | CA2746687A1 Liquid containment system |
| 01/10/2013 | WO2013006245A1 Flood wall protection system |
| 01/10/2013 | WO2013005018A1 Mobile marine barrier |
| 01/10/2013 | WO2012146595A3 Water-gate |
| 01/10/2013 | CA2878372A1 Flood wall protection system |
| 01/09/2013 | CN202658583U Floating body type flap gate |
| 01/09/2013 | CN202658582U Novel gate valve |