Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02B - Hydraulic engineering › E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same
Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285)
11/2012
11/07/2012CN202519632U Anchoring device for dam bag of rubber dam
11/07/2012CN202519631U Emptying gate
11/07/2012CN202519622U Quick adjusting sample frame for concrete finishing surface
11/07/2012CN102767162A Concrete double-bracing large-scale mold plate and form stripping and form erecting methods
11/07/2012CN102155005B Steel structural panel sand gravel dam
11/07/2012CN102155004B Steel structure combined-type sandwich steel plate rock-fill dam
11/01/2012WO2012146595A2 Water-gate
11/01/2012US20120275863 Method and apparatus to manage water flow
11/01/2012CA2833818A1 Water-gate
10/2012
10/31/2012EP2516751A1 Leaf for a mitre gate and mitre gate including such a leaf
10/31/2012CN202509469U Supination full-open type flap gate
10/31/2012CN202509468U Hydraulic-drive winch hoist
10/31/2012CN202509467U Obliquely-arranged rotary hydraulic cylinder cross hinge welding machine frame
10/31/2012CN202509466U Roller compacted concrete prefabricated formwork jacking device
10/31/2012CN202509465U Mud stone-laying retaining wall structure of river-interception-type tailing reservoir gushing water section
10/31/2012CN202509464U Panel rockfill dam capable of improving panel stress deformation
10/31/2012CN202509446U Tailings dam for river intercepting type tailings pond
10/31/2012CN102762794A Leaf for a mitre gate and mitre gate including such a leaf
10/31/2012CN102758422A Method for installing and constructing radial gate on water in gate hole overflowing state
10/31/2012CN102758421A Synchronous split-type hydraulic hoist
10/26/2012WO2012144412A1 Hydraulic circuit for ram cylinder
10/25/2012US20120269577 Apparatus for and methods of stabilizing a leaking dam or levee
10/24/2012CN202500120U Hydraulic pressure automatic control gate
10/24/2012CN202500119U Large-span plane sliding water gate
10/24/2012CN202500118U Fixing frame for water gun for scouring dam concreting storehouse surface
10/24/2012CN102747712A Lock device of hydraulic hoist
10/24/2012CN102747711A Construction method and structure of concrete prestressed pier
10/24/2012CN102747710A Production process for manufacturing rubber dam bags by using polyester fabric as framework material
10/24/2012CN102747709A Closure gap bed protection method by using nylon net bag stone ballast
10/24/2012CN101723606B Cement clinker and hydraulic engineering cement for impervious wall of dam and application thereof
10/23/2012US8292542 Undershot sluice gate
10/17/2012CN102733477A Waste tire prestressed mesh and column
10/17/2012CN102733360A Emergency operation device and gate system of winch hoist
10/17/2012CN102733359A Reversely-pressed adjustable weir gate with bucket
10/17/2012CN102733358A Cross-shaped supporting structure for hydraulic headstock gear
10/17/2012CN102733357A Hydraulic-control door closer and gate system
10/17/2012CN102733356A Synchronously integrated hydraulic hoist
10/17/2012CN102730544A Radial gate fixing trunnion hoisting device and method
10/11/2012WO2012136012A1 Assembled mud-rock flow debris dam and construction method thereof
10/11/2012US20120257928 Method of manufacture of a barrage unit and a barrage unit manufactured by such a method
10/10/2012CN202482869U Air three-dimensional sprayer of hydropower station dam bin surface
10/10/2012CN202482836U Adjustable sill embedment
10/10/2012CN202482835U Rotary sluice gate
10/10/2012CN202482834U Angle monitoring flap gate
10/10/2012CN202482833U Fish-blocking ship lock mechanism for bridge opening
10/10/2012CN202482832U Cavity concrete stoplog
10/10/2012CN202482831U Gate double-support device
10/10/2012CN202482830U A high roller compacted concrete anti-seepage dam with the height of over 200 m
10/10/2012CN102720169A Gate type novel water storage and drainage dam
10/10/2012CN102720167A Supporting device used for supporting oil cylinder
10/10/2012CN102720166A Dual-drive flap gate system
10/10/2012CN102720165A Dam slope of panel rock-fill dam
10/04/2012WO2012134030A1 Pump mounted gate
10/04/2012WO2012129609A1 Actuation and valve mechanism
10/04/2012CA2831797A1 Actuation and valve mechanism
10/03/2012CN202466540U Totally-closed steel dam gate
10/03/2012CN202466539U Concrete member of hydraulic automatic control flap gate
10/03/2012CN202466538U Hydraulic system of automatic-control waterpower flap gate
10/03/2012CN202466537U Middle-large surface hole arc gate fixed winch hoist
10/03/2012CN202466536U Device for constructing water conservancy project earth-rock dam core wall reversed filter
10/03/2012CN202466535U Serial connection type rubber dam water quality purifying system for riverway capable of building dams in sections and blocking and storing water in cascaded mode
10/03/2012CN202466518U Back pressure structure of soft soil foundation dam
10/03/2012CN102713075A Floating body connection-type flap gate
10/03/2012CN102704446A Bottom shaft driven flap gate
10/03/2012CN102704445A Self-locking device of hydraulic hoist
10/03/2012CN102704444A Closure method capable of avoiding deepwater dyke end slump
10/03/2012CN102704443A Rigid dam safety monitoring device and making method
10/03/2012CN102168413B Water gate structure used in reclamation of land from sea and dam construction and exchanging method of water body in reclaimed area of dam
10/03/2012CN102116014B Method for measuring and calculating characteristics of breach of landslide and debris-flow dam and application thereof
09/2012
09/27/2012US20120243941 Synthetic Weir Board
09/26/2012CN202450504U Novel high-dam ship lock
09/26/2012CN202450499U Floatation type water gate
09/26/2012CN202450498U Adjustable hydraulic automatic rollover gate
09/26/2012CN202450497U Hoisting mechanism of radial gate
09/26/2012CN202450496U Radial gate hoist
09/26/2012CN202450495U Pushing double-rod rack hoist
09/26/2012CN202450494U Hand-shaking type double-rack-bar hoist
09/26/2012CN202450493U Oscillating type toothed bar start-stop machine
09/26/2012CN202450492U Electric double-toothed-bar start-stop machine
09/26/2012CN202450491U Open type flood discharge structure at dam crest
09/26/2012CN102693289A Simulation method for high arch dam construction
09/26/2012CN102691282A Non-dam high-power power generation system in big river
09/26/2012CN102691278A Landscape tide lock gate
09/26/2012CN102011377B Novel key groove for back-upper heightening of stone-laying gravity dam
09/20/2012US20120237297 Raised state holding mechanism of flap gate for breakwater
09/19/2012EP2500472A1 Partially foamed gravel fixing for dams and dykes
09/19/2012CN202442080U Oil injection device for small hydraulic hoist
09/19/2012CN202440808U Cast-iron gate
09/19/2012CN202440801U Top hinge screwing-down steel gate
09/19/2012CN202440800U Gate flashboard with decompression port
09/19/2012CN202440799U Plane vertical lift type steel gate relative to hydraulic structure
09/19/2012CN202440798U Ball valve device for drainage water intake in water conservancy project
09/19/2012CN202440797U Steel gate with maintenance-free surface
09/19/2012CN202440796U 折叠堰 Folding weir
09/19/2012CN202440795U Downstream fall type abrupt-slope drainage chute arc-shaped labyrinth weir device
09/19/2012CN202440794U Ecological water retaining dam
09/19/2012CN102677704A Method for preventing seepage of dam foundations of silt-rich rivers by means of natural coverage
09/19/2012CN102677638A Disposing and supporting method for top-exposed arc-door hydraulic hoist
09/19/2012CN102677637A Self-control flap gate
09/19/2012CN102677636A Series bulkhead gate
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