Patents
Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285)
06/2011
06/08/2011CN101851907B Power station emergency gate using inverted hydraulic hoist
06/03/2011WO2011065086A1 Mooring device for flap gate type breakwater
06/03/2011WO2011065085A1 Method for determining modulus of elasticity of mooring mechanism in flap gate type breakwater
06/01/2011CN201850538U Lattice type anti-seismic arch dam
06/01/2011CN201850537U Anti-cracking normal state concrete gravity dam
06/01/2011CN102080496A Flood preventing and water retaining device
06/01/2011CN101761049B Simulation tester for similar damage of tailings dam bursting
05/2011
05/26/2011US20110123271 Sealing system for a water flow control gate
05/25/2011CN201843121U Buttress type steel structure dam
05/25/2011CN102071669A Hydraulic cylinder for driving diagonal-drawing gantry crane or diagonal-drawing trolley type hoist trolley
05/25/2011CN102071668A Dam grout stopping body and arranging method thereof
05/25/2011CN102071664A Room temperature vulcanizing high-strength seamless large-scale rubber air sac and production technology thereof
05/25/2011CN102071662A Method for restoring ecology integrating substrates, hydrology and organisms in bank collapse lakeside
05/25/2011CN102071660A Method for releasing dam heel stress of arch dam
05/25/2011CN101245589B Method for harnessing river and reservoir with sand stirring boat and liftable low water head dam
05/19/2011WO2011059072A1 Construction method for improving earthquake resistance of existing sluice gate pillars provided to dam, and earthquake-proof bridge for dam
05/19/2011US20110116871 Water Control Apparatus
05/18/2011CN201835270U Double-rackbar open-close machine
05/18/2011CN201835269U Face rock-fill dam roller compacted slope fixation template
05/18/2011CN102061682A Combined screw hoist
05/18/2011CN102061681A Fixed dual-hoisting point cantilever track type joist truss installing method
05/18/2011CN102061677A Full-section water wetland purification system suitable for normal water level of river
05/12/2011US20110110722 Self closing flood barrier and method for protecting a hinterland using same
05/11/2011CN201826286U Heat-pipe gate slot thawer
05/11/2011CN201826285U Ditch checkgate
05/11/2011CN201826284U Hydraulic type gate self-locking device
05/11/2011CN201826283U Barrage with herringbone supporting columns
05/11/2011CN102051870A Flexible interlink steel gate and support opening/closing device thereof
05/11/2011CN101798804B Open division channel closure advancing banquette for removing cofferdam in upstream of riverway
05/11/2011CN101666077B Lifting tilting flapgate
05/11/2011CN101392516B Rolling earth-rock dam construction method
05/04/2011EP2315880A1 Self closing flood barrier and method for protecting a hinterland using same
05/04/2011CN201817800U Cylindrical rolling steel gate
05/04/2011CN102041802A Vertical screw open-close machine
05/04/2011CN102041801A Method for arranging trolley driving mechanism of cable-stayed gantry crane
05/04/2011CN102041800A Method for constructing PVC (polyvinyl chloride) composite geomembrane watertight core of earth-rockfill dam
05/04/2011CN102041799A Method for manufacturing water retaining/absorption dam for intercepting fire fighting wastewater
05/04/2011CN101644041B Face rockfill dam toe board structure constructed on completely weathered bed rock and construction method thereof
05/04/2011CN101603298B Dam joint structure and construction method thereof
05/04/2011CN101575843B Construction method of rolling concrete dam
05/04/2011CN101560756B Roller compacted concrete gravity dam keyway type kerf structure and construction method thereof
05/04/2011CN101525874B Shutter type hydraulic self-control gate
05/04/2011CN101412832B High-strength ultraviolet-resistant rubber dam bag
04/2011
04/28/2011DE102010035586A1 Device for opening and closing aquiferous channels at e.g. sewer port, has guiding holes surrounding slide gate and guiding surfaces formed in inner side of each guiding hole, where slide gate has runners cooperating with guiding surfaces
04/27/2011CN201809751U Water-stopping rubber protective device of flat steel gate
04/27/2011CN201809750U Environmental-protection closed hoist
04/27/2011CN201809749U Anti-seepage structure of arch dam
04/27/2011CN102031787A Construction method for cofferdam by taking steel tubes, bamboo basketries and plastic cloth as materials
04/27/2011CN102031766A Hydroelectric barrage building machine
04/27/2011CN101275392B Method for preventing water loss and soil erosion and method for building non-leakage water reservoir
04/20/2011CN201801854U Navigation lock
04/20/2011CN201801851U Wall-through sealing device for steel dam bottom shaft
04/20/2011CN201801850U Steel gate
04/20/2011CN201801849U Axial positioning mechanism for bottom shaft of steel dam
04/20/2011CN201801848U Connecting and fixing mechanism for hinging seat of steel dam
04/20/2011CN201801847U Tripod plugging cage for flood closure and river cutoff
04/20/2011CN102021899A Synchronizing circuit applicable to double suspension hoist
04/20/2011CN102021898A Hydraulic hoist high-precision electronic proportion speed regulation automatic control system
04/19/2011US7926539 Flood vent access door assembly
04/13/2011CN201794061U Copper-inlaid cast iron gate
04/13/2011CN201794060U Suspended down-the-hole steel gate
04/13/2011CN201794059U Faced rockfill dam-rolling slope-reinforcing template
04/13/2011CN102011378A Gate
04/13/2011CN102011377A Novel key groove for back-upper heightening of stone-laying gravity dam
04/13/2011CN101775788B Block stone-reinforced concrete piling composite groyne bank protection structure
04/06/2011CN201785754U Anchor structure of reinforcing gate pier
04/06/2011CN102002929A Horizontal screw type headstock gear
04/06/2011CN102002928A Hard rock and soft rock mixed panel dam piled stone
03/2011
03/31/2011US20110076101 Flow control system for a detention pond with tapered plunger
03/31/2011US20110076100 Flow control system for a detention pond
03/30/2011CN201779159U Steel dam bottom shaft flange connecting device
03/30/2011CN201778316U Rubber sealing element for water gate
03/30/2011CN201778315U Wear-resistant rubber-plastic sealing piece for water gate
03/30/2011CN201778314U Composite water seal
03/30/2011CN201778313U Steel dam waterfall stream structure
03/30/2011CN201778312U Connecting structure for gate leaf and bottom shaft of steel dam
03/30/2011CN201778311U Inclined support type automatic gate locking device
03/30/2011CN201778310U Steel dam gate with single crank arm
03/30/2011CN201778309U Manual gate hoist
03/30/2011CN201778308U Embedded crankarm connecting mechanism of steel dam
03/30/2011CN201778307U Floating box culvert type water gate construction device
03/30/2011CN101994310A Water gate with high sealing property
03/30/2011CN101994309A Piston lift gate
03/30/2011CN101768941B Diversion channel closure advancing dike of upstream cofferdam arranged on river channel
03/23/2011CN201770977U Simple water feeder for rockfill
03/23/2011CN201770971U Great river intercepting water gate
03/23/2011CN201770970U Steel pipe concrete arch dam
03/23/2011CN201770969U Dam of reservoir
03/23/2011CN101691745B Arrangement method of combining twin-deck bridge and gate bridge
03/17/2011WO2011031082A2 Upper structure for raising dam crests
03/16/2011CN201762693U Combined type steep slope traction slope-cutting equipment
03/16/2011CN101691743B Dam bag of rubber dam and processing technology thereof
03/03/2011US20110052323 Flood barrier
02/2011
02/24/2011WO2011020143A1 Flow meter assembly, gate assemblies and methods of flow measurement
02/24/2011CA2771310A1 Flow meter assembly, gate assemblies and methods of flow measurement
02/23/2011CN101979775A Trapezoidal arc-shaped water stop device
02/16/2011CN201746827U Farmland drainage ditch triangle water stop layered control weir
02/16/2011CN201746821U Screw start-stop gate device
02/16/2011CN201746820U Anti-theft gate for water conservancy facilities
02/16/2011CN201746819U Reversed V-shaped gate system for controlling gate to be closed synchronously
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 43