Patents
Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285)
08/1991
08/28/1991EP0443105A1 Hinged-leaf gate of a hydrotechnical flood control construction
08/28/1991EP0443096A1 Hydrotechnical flood control construction
08/28/1991EP0443095A1 Hydrotechnical flood control construction
08/20/1991US5040919 Device for controlling flood waters and/or hazardous liquid spills
08/14/1991EP0440603A1 Crest gate
08/07/1991EP0439568A1 Sluice with automatic gate.
07/1991
07/31/1991EP0438549A1 Threshold construction for a tilting weir.
07/24/1991CN2081400U Gate open and close device
07/16/1991US5032038 Overflow spillway for dams, weirs and similar structures
07/10/1991CN1052914A Overflow spillway for dams, weirs and similar structures
07/03/1991EP0435732A1 Spillway for high water for barrages and similar structures
07/03/1991CA2007089A1 Crest gate
06/1991
06/26/1991EP0434521A1 High water spillway for barriers and similar works
06/18/1991CA1284890C Method for rendering waterproof a roller compacted concrete or rubble hydraulic structure
04/1991
04/18/1991DE3934530A1 Controlling water level of reservoir - involves using dam formed from inflatable flexible tube
04/17/1991CN1012380B Method for rendering waterproof roller compacted concrete or rubble hydraulic structure
04/03/1991CN2074321U Automatic control gate for hydraulic engineering
02/1991
02/16/1991CA2014364A1 Sectional member with frame corners resistant to bending and its use
02/13/1991EP0412652A2 A sluice gate or penstock door
02/12/1991CA2021987A1 Sluice gate or penstock door
01/1991
01/24/1991WO1991000940A1 Sluice with automatic gate
01/23/1991EP0409544A1 Belt-like bag bodies
01/09/1991CN2068977U Automatically opening and closing gates in meshed gears
01/01/1991US4981392 Water inflatable structural module
01/01/1991US4981391 Inflatable portable dam for containment of hazardous liquids
12/1990
12/27/1990WO1990015902A1 Threshold construction for a tilting weir
12/19/1990CN2067725U Automatic opening and closing device for remote-control and-measure of sluice
11/1990
11/28/1990EP0399870A1 Prefabricated element for the construction of a dam facing and construction method for such a dam
11/28/1990CN2066457U Soft sealing type plastic gates
11/14/1990EP0397609A1 A hinge device for the articulation of pivoting sluice gates to a bed, provided with a releasable coupling for fixing it to the bed
11/01/1990WO1990012946A1 Draught balanced door system
10/1990
10/30/1990US4966491 Subsurface dune protection system and method
10/24/1990CN2064373U Auto-regulating device for sluice
10/16/1990US4963057 Sluice gate for automatically regulating a level
09/1990
09/12/1990EP0387192A1 Stop logs
08/1990
08/29/1990EP0248725B1 Method of rendering a hydraulic structure made of compacted concrete or filled earth water-tight
08/23/1990WO1990009496A1 Sectional bar with rigid gussets and its use
08/22/1990EP0382889A1 Section bar with an angle member stiffened against bending, and its use
07/1990
07/26/1990DE3916558A1 Wall opening-shutting mechanism - comprises sliding wall thrust transversely against seal in final stage of shutting movement
07/25/1990EP0379327A1 Collapsible rubber dam
06/1990
06/27/1990EP0374170A1 Mechanical automatic tilting weir with self-adjusting lowering of the weir-level during larger discharges.
06/19/1990US4934868 Water control structure and roller assembly therefor
06/19/1990US4934867 Sealing device ensuring lateral tightness of a weir gate
05/1990
05/15/1990US4925709 Net of plastic rings connected by connector means
05/03/1990DE3844641A1 Flood-protection arrangement and/or retention protection for environmentally hazardous liquid media
05/01/1990US4921373 Barrier for containing floods
04/1990
04/25/1990EP0364997A2 Bituminous core sealing for earth works, and method for producing same
04/03/1990US4913583 Method for waterproofing a roller compacted concrete of rubble
03/1990
03/20/1990US4909666 Damage-protecting flexible sheet dam
03/06/1990US4906134 Self supporting flexible wall dams
02/1990
02/28/1990EP0356362A1 Water course barrage or coffer dam
01/1990
01/25/1990WO1990000649A1 Crest gate
01/25/1990WO1990000648A1 Flood protection device and/or retaining structure for pollutant liquid media
01/18/1990DE3823586A1 Flood-protection arrangement and/or safety retention arrangement for environmentally hazardous liquid media
01/17/1990EP0155948B1 Improvements in or relating to river control structures
12/1989
12/14/1989WO1989012143A1 Flow check for open waters, in particular storm-tide barrier
12/07/1989DE3819194A1 Sperr-mittel gegen den sturmflut-stau in flussmuendungen Barrier-medium against the storm surge-jam in the estuaries
12/07/1989DE3448322C2 Flood water protection wall
12/06/1989EP0345180A1 Door seal for water slide gates
11/1989
11/29/1989CN1037561A New method for building water gate
11/21/1989US4881854 Pressure activated fluid retaining system and method
11/21/1989US4881848 Method of forming an immersed dam foundation and a dam structure thereon
11/15/1989CN1037184A Whole installed or removed steel shutter
11/02/1989EP0340125A1 Joint for side sealing of a leaf dam
10/1989
10/31/1989US4877537 Pumping system for gates
10/31/1989US4877352 Method and apparatus for control of an upstream water level
10/25/1989CN2046510U Sufety protective device for screw type switching machine
10/11/1989CN2045759U Movable pitchfork gate dam
09/1989
09/26/1989CA1259807A1 Rcc dam construction and method
09/21/1989DE3808269A1 Method of constructing a retaining dam and prefabricated steel member, in particular for a retaining dam constructed according to this method
09/14/1989DE3904669A1 Barrier for outgoing liquids
09/06/1989CN1035336A Construction technology of fluid-alluvial earthwork machine
08/1989
08/30/1989EP0330554A1 Method and device for the continuous construction of concrete constructions
08/09/1989CN2042475U Movable elevating mechanism for vertical-lift gate with multi-lift-points
07/1989
07/18/1989US4848962 Slide gate and seals therefor
07/11/1989US4846603 Set-up/down plural-span weir assembly made of flexible sheets
07/05/1989CN2040506U Adjustable measuring weir
06/1989
06/28/1989CN2040115U Sliding type canal gate valve
06/08/1989DE3833561A1 Device for the liquid-tight closure of building openings, basin (tank) openings, lock openings or the like
06/07/1989CN1004435B Movable single-directional damping diving dam
06/06/1989US4836713 Flexible sheet dams
06/06/1989US4836711 Hinge-assembly, particularly for underwater mounting
05/1989
05/30/1989US4834579 Waterproofing dams and the like
05/23/1989US4832528 Watertight walls for hydraulic structures in compacted concrete and methods for constructing said walls
05/23/1989US4832527 Vertically reciprocable gates for the control of a liquid media
05/17/1989CN1032967A Curtain-type sluice gate
05/02/1989US4826359 Structures of compacted materials composed of embankment fixed with a hydraulic binder and processes and machines for constructing them by compacting the slopes
04/1989
04/26/1989EP0312676A1 Hinge structure which makes a swinging movement of a floating boat door possible relative to a land-abutment
04/20/1989DE3831362A1 Self-unstoppering throttle-slide-valve arrangement
04/18/1989US4821703 Opening method for reinforced concrete wall
03/1989
03/09/1989WO1989002006A1 Mechanical automatic tilting weir with self-adjusting lowering of the weir-level during larger discharges
03/07/1989US4810130 Siphon weir with a ventilating mechanism
01/1989
01/24/1989US4799821 Temporary emergency dike for restraining flow of a liquid
01/10/1989US4797028 Beaver control siphon apparatus
01/10/1989US4797027 Automatic level-regulating sluice
01/04/1989CN2030209U Folding multi-hinged-steel gate
01/04/1989CN2030208U Closed type water-saving open/close gate
12/1988
12/28/1988EP0079887B1 Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same
12/22/1988DE3818465A1 Building material, process for its production and its uses
12/14/1988CN88202099U Force couple embankment gate
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