| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 09/11/2013 | CN203188179U Gravitational potential energy storage automatic gate |
| 09/11/2013 | CN203188178U Headstock gear locking device |
| 09/11/2013 | CN203188177U Roller gate type three-station waterproof weir |
| 09/11/2013 | CN203188176U Dock gate structure |
| 09/11/2013 | CN103290825A Sealed gate devices of dam hydraulic power ship lifter |
| 09/11/2013 | CN103290815A Mechanical movable retaining dam |
| 09/11/2013 | CN103290814A Buffering device of hydraulic hoist |
| 09/11/2013 | CN103290813A Perforation compacting method for compacted bituminous concrete core wall |
| 09/09/2013 | DE202013006081U1 Kleintierklappe für Hochwasserrückhaltebecken Small Animal flap for Detention basin |
| 09/05/2013 | DE102012003956A1 Throttling device for outlet opening in liquid memory space for effluent retention basin, has stationary pressure and stationary tension springs that are cooperated with double-armed lever using lift force of float against spring force |
| 09/04/2013 | CN203176059U Hoisting machine type hoist hydraulic pressure stabilizer |
| 09/04/2013 | CN203174577U Rail cable-stayed type ship lock |
| 09/04/2013 | CN203174565U Comb tooth type joint of segmented gate water-sealing pressing plate |
| 09/04/2013 | CN203174564U Flap gate |
| 09/04/2013 | CN203174563U Safe crank screw rod type hoist |
| 09/04/2013 | CN203174562U Protective device for hydraulic electric gate |
| 09/04/2013 | CN103276702A Nested type top overflowing gate |
| 09/04/2013 | CN103276701A Novel electricity-generating flood drainage dam by flood-retarding water accumulation |
| 09/04/2013 | CN102852122B Eco-friendly subsidiary dam capable of improving gas supersaturation |
| 09/04/2013 | CN101550687B Control gates |
| 08/28/2013 | CN203160210U Gate water stopping device with damping groove |
| 08/28/2013 | CN203160209U Door body mooring device of fluctuating gate type bulwark |
| 08/28/2013 | CN203160208U Lever type driving down-horizontal gate |
| 08/28/2013 | CN203160207U Composite panel earth-rock dam |
| 08/28/2013 | CN103266582A Floating effluent weir gate |
| 08/21/2013 | CN203144979U Bidirectional gate top overflow water breaking device |
| 08/21/2013 | CN203144978U Hydraulic opening-closing long-span upwards-turning type arc-shaped steel gate |
| 08/21/2013 | CN203144977U Hydraulic opening-closing long-span turning type arc-shaped steel gate |
| 08/21/2013 | CN203144976U Ultrahigh waterhead water gate structure |
| 08/21/2013 | CN203144975U Built-in hydraulic cylinder locking mechanism |
| 08/21/2013 | CN203144974U Stabilizing structure used for high earth-rock cofferdam |
| 08/21/2013 | CN203144973U Template capable of being disassembled and assembled repeatedly for small tube hole |
| 08/21/2013 | CN203144972U Leak repairing rubber dam used for oil field |
| 08/21/2013 | CN103255748A Long-span tongue flap type water conservancy steel gate damp-reinforcing support system |
| 08/21/2013 | CN103255747A Hydraulic push-pull type movable barrage |
| 08/21/2013 | CN103255746A Energy-saving river fender water storage flood discharge dam |
| 08/21/2013 | CN103255745A Method for safely lifting hydraulic starting and stopping machine seat of hydraulic power plant |
| 08/21/2013 | CN102322041B Dam-break-preventing and leakage-preventing hydroelectric station dam constructed in canyon and construction method thereof |
| 08/20/2013 | US8511939 Self-actuating storm surge barrier |
| 08/20/2013 | US8511938 Flood flaps vent for sealed crawlspace |
| 08/20/2013 | US8511937 Water control apparatus |
| 08/15/2013 | WO2013119491A1 Self-actuating floodwater barrier |
| 08/15/2013 | US20130209173 Floodgate |
| 08/14/2013 | EP2625341A1 A floodgate |
| 08/14/2013 | CN203129106U Automatic opening and closing gate |
| 08/14/2013 | CN203129105U Integral type hinge movable dam |
| 08/14/2013 | CN203129104U Automatic control gate |
| 08/14/2013 | CN203129103U Steel dam gate |
| 08/14/2013 | CN203129102U Hand-operated screw hoist |
| 08/14/2013 | CN203129101U Plane gate |
| 08/14/2013 | CN203129100U Gate plate for water draining of outdoor pond cultivation |
| 08/14/2013 | CN203129099U Integrated-type arched plane cast steel composite gate |
| 08/14/2013 | CN203129098U River sluice water level monitoring system |
| 08/14/2013 | CN203129097U Manual-electric dual-purpose belt-wheel screw-rod type hoist |
| 08/14/2013 | CN203129096U Anti-seepage face slab aseismic structure for concrete rock-fill dam |
| 08/14/2013 | CN203129095U Composite impervious face slab structure for rock-fill dam |
| 08/14/2013 | CN203129092U Suspension type leakage-preventing heavy curtain for renovating basement leakage of hydraulic structure with soft soil foundation |
| 08/14/2013 | CN103243689A Hydraulic movable dam water-stop system |
| 08/14/2013 | CN103243688A Hydraulic movable dam operating system |
| 08/14/2013 | CN103243687A Method for integrally mounting hinge device of extra-large sector gate |
| 08/14/2013 | CN103243686A Automatic gate hooking and unhooking grabbing beam with rotary pins and swing rings |
| 08/14/2013 | CN103243685A Overflow dam building structure suitable for ecological water landscape |
| 08/14/2013 | CN103243684A Water permeable masonry tailing dam structure |
| 08/14/2013 | CN102296576B Full-open type hydraulic control flap gate and using method thereof |
| 08/07/2013 | CN203113358U Clay sandstone cofferdam structure |
| 08/07/2013 | CN203113296U Frame-type suspension water gate door body |
| 08/07/2013 | CN203113295U Environment-friendly energy-saving turnover board flushing door |
| 08/07/2013 | CN203113294U Miter gate reverse water stopping device |
| 08/07/2013 | CN203113293U Gate structure for hydropower station ground workshop |
| 08/07/2013 | CN203113292U Open plane gate |
| 08/07/2013 | CN203113291U Arched roller compacted concrete dam with all sections adopting same gradation |
| 08/07/2013 | CN203112595U Non-point source pollution prevention and control and resource cyclic utilization system for tea garden |
| 08/07/2013 | CN103233448A Siphonic weir capable of controlling water level automatically |
| 08/07/2013 | CN103233447A High concrete face rockfill dam seismic strengthening structure and construction method thereof |
| 08/07/2013 | CN103233446A Composite panel earth and rockfill dam and anti-seepage body construction method |
| 08/07/2013 | CN103233443A Rubber dam bag body and production method thereof |
| 08/06/2013 | US8500365 Autonomous, adaptive, concealed flood protection system |
| 08/01/2013 | US20130195556 Fluid fillable structure |
| 07/31/2013 | CN203096892U HDPE membrane rain sewage diversion structure |
| 07/31/2013 | CN203096699U Swirling flow well baffle device |
| 07/31/2013 | CN203096698U Water blocking device |
| 07/31/2013 | CN203096697U Ballast field structure at earth and rockfill dam toe |
| 07/31/2013 | CN203096696U High and low composite backwater weir |
| 07/31/2013 | CN103225289A Dam face system of hydraulic moving dam |
| 07/31/2013 | CN103225288A Method for adjusting coplanarity of fixed wheel treads of gate |
| 07/31/2013 | CN103225287A Supporting system of hydraulic moving dam |
| 07/31/2013 | CN103225286A Dam body structure of concrete gravity dam and regional coordination and temperature reduction method |
| 07/31/2013 | CN103225285A Steel membrane concrete faced rockfill dam |
| 07/31/2013 | CN103225284A Rubber dam without overlapping inside and outside |
| 07/30/2013 | US8496404 Reinforcement system for increased lateral stability of flood wall |
| 07/25/2013 | WO2013108471A1 Floating flap gate |
| 07/24/2013 | CN203080501U Multi-stage sluice type first-stage ship lock |
| 07/24/2013 | CN203080489U Concrete bearing beam water stop device |
| 07/24/2013 | CN203080488U Large-scale hydraulic arc door quick installing mechanism |
| 07/24/2013 | CN203080487U Flap gate |
| 07/24/2013 | CN203080486U Glass fiber reinforced plastic gate of water inflowing and drainage channel |
| 07/24/2013 | CN203080485U Slideway for hydraulic gate |
| 07/24/2013 | CN203080484U Connecting structure of rapid gate hydraulic hoist and sealing gate groove |
| 07/24/2013 | CN203080483U Directly-connected headstock gear |
| 07/24/2013 | CN203080482U Roller compacted concrete dam structure applicable to cold environment |