| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 01/22/2014 | CN203403392U Steel dam gate convenient to install |
| 01/22/2014 | CN203403391U Connecting mechanism for bottom shaft of steel dam gate |
| 01/22/2014 | CN203403390U Anti-ice-expansion device used for water conservancy project |
| 01/22/2014 | CN103534414A Water-gate |
| 01/22/2014 | CN103526730A A mooring hook of a seabed-mounted hinge gate |
| 01/22/2014 | CN103526729A Power station upper and lower reservoir electric gate valve automatic locking protection system |
| 01/22/2014 | CN103526728A Method for directly adding or heightening gate on gravity overflow dam |
| 01/22/2014 | CN103526727A Method for constructing reservoir dam |
| 01/22/2014 | CN102587329B Arched combined faceplate for earth-rock dam and construction method thereof |
| 01/22/2014 | CN102493402B Insertion type vibration rolling construction method of asphalt concrete core of earth and rockfill dam |
| 01/16/2014 | WO2014008553A1 Control gates and valves |
| 01/15/2014 | CN203393686U Energy-saving free lifting type water storage and flood discharging barrage |
| 01/15/2014 | CN203393685U Electro-hydraulic proportional speed control valve synchronizer of hydraulic hoist |
| 01/15/2014 | CN203393684U Automatic control device for drainage outlet |
| 01/15/2014 | CN203393683U Planar steel gate adopting P-type sealing way |
| 01/15/2014 | CN203393682U Retaining dam for water resources and hydropower engineering |
| 01/15/2014 | CN103510492A Automatic switch of rotary type plane gate |
| 01/14/2014 | DE202012103857U1 Verstellvorrichtung für eine verstellbare Wassersperre, insbesondere ein Überfallwehr oder einen Schieber Adjusting for an adjustable water barrier, in particular a overflow weir or a slide |
| 01/08/2014 | CN203383194U Drawing die for longitudinal drain of earth-rock dam |
| 01/08/2014 | CN203383193U Core-wall rockfill dam structure without cofferdams |
| 01/08/2014 | CN203383192U Dry-type discharging tailing sand foundation impervious dam structure |
| 01/08/2014 | CN203383191U Freezing-resistant device for hydraulic working |
| 01/08/2014 | CN103498450A Automatic anti-waterlogging gate |
| 01/08/2014 | CN103498449A Novel folded lifting rubber board water retaining dam |
| 01/08/2014 | CN103498448A 防洪闸 Floodgate |
| 01/08/2014 | CN103498447A Membrane type water stopping device |
| 01/08/2014 | CN103498446A Rib-free box type reinforcing and seepage discharging composite component |
| 01/08/2014 | CN103498445A Low-middle water head dam adopting telescopic pipe type layering water taking |
| 01/08/2014 | CN103498413A Pedestrian steel bridge with small landscape gates |
| 01/07/2014 | US8622652 Overflow and underflow doors |
| 01/07/2014 | US8621740 Water-retaining element, system and method for forming a temporary water-retaining structure |
| 01/01/2014 | CN203373711U High-stability hydraulic automatic-control flip gate |
| 01/01/2014 | CN203373710U Bulkhead gate locking device |
| 01/01/2014 | CN203373709U Termite-preventing dam |
| 01/01/2014 | CN103492726A Hydraulic circuit for ram cylinder |
| 01/01/2014 | CN103485313A Fully-enclosed steel dam gate |
| 01/01/2014 | CN103485312A Construction technology for converging compacted concrete dam and riverbed foundation surface |
| 12/26/2013 | US20130343821 Water Control Apparatus |
| 12/25/2013 | CN203361102U Floating water output weir gate |
| 12/25/2013 | CN203361101U Steel dam gate driven by hydraulic motor |
| 12/25/2013 | CN203361100U Steel structure turning plate gate |
| 12/25/2013 | CN203361099U Steel structure landing leg |
| 12/25/2013 | CN203361098U Moveable simply supported beam locking device of bulkhead gate |
| 12/25/2013 | CN203361097U Mechanical catching beam capable of hooking and unhooking after being descended to be in position |
| 12/25/2013 | CN203361096U Gate slot construction device |
| 12/25/2013 | CN203361095U Combination retaining dam structure |
| 12/25/2013 | CN103470570A Hydraulic oil cylinder with sealing hanger |
| 12/25/2013 | CN103469771A Segmented mounting method for large-sized goggles gate |
| 12/25/2013 | CN103469770A Nuclear power spent fuel pool sluice gate |
| 12/25/2013 | CN103469769A Concrete material taking platform and anti-collision damping device |
| 12/25/2013 | CN102465511B Duplex pin rail gate |
| 12/25/2013 | CN102418329B Rapid installation method for large-scale hydraulic radial gate |
| 12/18/2013 | CN203346859U Water seal device for flood discharge gate |
| 12/18/2013 | CN203346858U Fabricated formwork for construction of large-volume overhung concrete |
| 12/18/2013 | CN203346852U Anti-seepage and heat-insulation integrated system of dam |
| 12/18/2013 | CN103452083A Automatically opened and closed flat-bottom valve gate |
| 12/18/2013 | CN103452081A Construction method for flexible composite impermeable layer of upstream face of high arch dam |
| 12/18/2013 | CN102561273B Self-adjusting water intake device |
| 12/18/2013 | CN102505668B Construction method for reinforcing horizontal crack of gravity dam head by using steel bar |
| 12/18/2013 | CN102345279B Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof |
| 12/12/2013 | WO2013183906A1 Functional pump chamber and method for constructing natural lakes using same |
| 12/11/2013 | CN203334251U Ventilation and shock-absorbing device for overflow at top of gate |
| 12/11/2013 | CN203334250U Mechanical movable retaining dam |
| 12/11/2013 | CN203334249U Gate capable of enabling water in different layers to be taken |
| 12/11/2013 | CN103437327A Intermediately-hinged upturning steel gate |
| 12/11/2013 | CN103437326A Composite material dam |
| 12/11/2013 | CN103437325A Ice expansion resistant device for water conservancy project |
| 12/10/2013 | US8602686 Undershot sluice gate |
| 12/04/2013 | DE202013009968U1 Deichbauelement und ein modulares Deichbausystem zum Errichten von Deichen als Schutz gegen Hochwasser Dike construction element and a modular system of dikes to building of dikes to protect against flooding |
| 12/04/2013 | CN203321943U Plane service gate hydraulic opening and closing device |
| 12/04/2013 | CN203320491U Buffering device of hydraulic opening-closing machine |
| 12/04/2013 | CN203320490U Double-roll four-connected arc door open-close machine |
| 12/04/2013 | CN203320489U Bottom transverse shaft rotation gate |
| 12/04/2013 | CN203320488U Gate lifting device of hydropower complex or hydroelectric project |
| 12/04/2013 | CN203320487U Gate jacking reinforcing device |
| 12/04/2013 | CN203320486U River channel flood prevention sewage blocking device |
| 12/04/2013 | CN203320485U Novel multifunctional rubber dam anchor bolt protection device |
| 12/04/2013 | CN203320481U Rubber-dam anchoring device |
| 12/04/2013 | CN103422475A Hinge movable dam |
| 12/04/2013 | CN103422474A Gate deicing device |
| 12/04/2013 | CN103422473A Anti-seismic face plate structure for rock-fill dam with concrete face plate and method for constructing face plate anti-seismic structure |
| 11/28/2013 | WO2013175102A1 Automatic adjustable valve |
| 11/28/2013 | US20130315670 Culvert Gate Assembly |
| 11/27/2013 | CN203307780U Gate top lintel |
| 11/27/2013 | CN203307779U Drainage type steel dam transmission room |
| 11/27/2013 | CN203307778U Exhaust type steel dam transmission room |
| 11/27/2013 | CN203307777U Measuring weir |
| 11/27/2013 | CN203307776U Concrete face rock fill dam toe board structure |
| 11/27/2013 | CN103410151A Method for excavating spandrel grooves of arch dam |
| 11/27/2013 | CN103410127A Low-weir high pneumatic landscape gate construction method and structure |
| 11/27/2013 | CN103410126A Anticollision device for fiber composite material gate |
| 11/27/2013 | CN103410125A Integral U-shaped anchor rope embedded duct and mounting method thereof |
| 11/27/2013 | CN103410124A Method for constructing ecological intercepting dams capable of improving wet land water levels |
| 11/27/2013 | CN103410123A Retaining dam for hydraulic and hydro-power engineering |
| 11/26/2013 | US8590560 Opening/closing device |
| 11/21/2013 | US20130306267 Advanced protective system against dangerous caused moving water masses |
| 11/20/2013 | CN203296024U Automatic grabbing beam hooking-unhooking device |
| 11/20/2013 | CN103403286A 防水板装置 Waterproof board device |
| 11/20/2013 | CN103397618A Simple rockfill warehousing construction method based on transportation cage and used transportation cage |
| 11/20/2013 | CN103397617A Extrusion-wall type geomembrane-faced rockfill dam |