Patents
Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285)
11/1988
11/29/1988US4787774 Fluid control apparatus
11/17/1988DE3714248A1 High-tide barrier
11/10/1988DE3714585A1 Retaining arrangement for a watercourse
10/1988
10/25/1988US4780024 For a dam spillway
10/19/1988EP0286721A2 Protection device for raising high waters or barrier security for liquids harmful to the environment
09/1988
09/21/1988CN87207191U Quick fix and dismantlement sluice gate for flood provention of buildings
09/20/1988US4772157 Liquid level control system and method of operating the same
08/1988
08/17/1988CN85101080B Flexible lift film dam
08/10/1988CN87100533A Method for preventing mud and sand from flowing into reservior
07/1988
07/06/1988CN87204596U Anchor gate cylindrical winch
06/1988
06/28/1988US4753550 Apparatus for control of a liquid level, especially water level
06/13/1988EP0155948A4 Improvements in or relating to river control structures.
05/1988
05/05/1988DE3637083A1 Barrier weir
03/1988
03/29/1988US4733990 Erecting/lying-down dam or sluice gate made of flexible sheet
03/23/1988CN87213231U Drainer for reservoir
03/08/1988US4729692 Apparatus and method for quieting flowing waters
03/01/1988US4728221 For selectively blocking the flow of a stream or river
02/1988
02/23/1988US4726709 For a control gate
02/23/1988CA1233036A1 Structure comprising a grooved body and member seated in the groove and method of mounting an elongate member on a body
02/17/1988CN87206509U Water power autocontrol sluice gate
02/03/1988CN87203414U Floating turnable sluicegate with hinge
01/1988
01/14/1988DE3621416A1 Mobile locking mechanism as shutter weir
12/1987
12/26/1987CN87202127U Technical equipment for vacuum drainage and damming
12/23/1987CN87103622A Method for construction of dams with iron chain nets, anchors and chains etc.
12/17/1987DE3617857A1 Method for preventing the propagation of suspended matter in a body of water and a device for carrying out the method
12/16/1987EP0249558A1 Automatic level control valve
12/16/1987CN87104677A Method for rendering waterproof a roller compacted concrete or rubble hydraulic structure
12/09/1987EP0248725A1 Method of rendering a hydraulic structure made of compacted concrete or filled earth water-tight
12/08/1987CA1229992A1 Flexible membraneous weir
11/1987
11/03/1987US4704052 Foundation and method for improving the resistance to sliding of civil engineering structures
10/1987
10/15/1987DE3612374A1 Low overfall, in particular for rain and melt water
09/1987
09/29/1987US4696598 Erecting/lying-down dam or sluice gate made of flexible sheet
09/16/1987EP0237481A2 Hydraulic siphon for a spillway of a hydraulic structure
09/10/1987DE3607790A1 Retaining and tank wall which can be erected quickly
09/09/1987CN86207507U Digital display of the raising height of sluice gate with a contacting roller
09/08/1987US4692060 Water-bag dam or dike and method
08/1987
08/26/1987CN86206803U Hingeless arc-shaped sluice gate
08/11/1987CA1225245A1 River control structures
05/1987
05/05/1987US4662783 Flexible membraneous weir
04/1987
04/29/1987CN85200757U Salty water check device for sluice gate
04/28/1987US4661015 Rising and falling weir of flexible membrane
04/21/1987US4659252 For retaining water in a reservoir
04/16/1987DE3533724A1 Device for regulating flow rates in an open rectangular channel
04/14/1987US4657434 River control structures
04/01/1987CN86105987A Concrete dam structure and building method by roller compacting
03/1987
03/10/1987US4648742 Tainter gate system
03/03/1987US4647250 Canadian flexible dams
02/1987
02/05/1987DE3527100A1 Device for protection against high-water
01/1987
01/31/1987CN85101764A Flexible thin film elevating and falling weir
01/24/1987CN86103185A Movable single-directional damping diving dam
01/24/1987CN85101080A Flexible lift film dam
01/08/1987DE3523150A1 Hollow-section gate
12/1986
12/24/1986CN85204720U Non-power going up logway sluice gate
12/24/1986CN85204218U Side hoist fan-shaped sluice gate
12/17/1986CN85204293U Sluice gate drawn up according to a way different from universal one
12/03/1986CN85204269U Opposite draw hoist-type for opening water gate
12/02/1986US4626133 Waterstop for monolith joints
11/1986
11/12/1986EP0201478A1 Sliding gate for blocking or regulating the flow of water in gutters
10/1986
10/15/1986EP0197372A2 Device for regulating a liquid level, especially a water level
08/1986
08/19/1986US4606672 Constant upstream level gate
05/1986
05/27/1986CA1204946A1 Commonwealth water walls, reservoirs and columns
05/06/1986US4586848 Method of storing logs
04/1986
04/30/1986EP0179288A1 Hinged sluice gate with displacement of mass
04/15/1986US4582451 Floodgate panel and sealing means therefor
03/1986
03/18/1986CA1201895A1 Commonwealth flexible wall dams series 3,(abbreviated as cfd3)
12/1985
12/04/1985EP0163292A2 Barrage for high water protection
10/1985
10/29/1985US4549837 Penstock
10/14/1985EP0079887A4 Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same.
10/02/1985EP0155948A1 Improvements in or relating to river control structures.
09/1985
09/25/1985EP0155732A2 Weir baffle
04/1985
04/16/1985US4511286 Flexible barriers
04/02/1985US4508471 Method and machine for the layered placing of core material and of the adjacent transitional material for dams
03/1985
03/19/1985US4505612 Air admission apparatus for water control gate
03/14/1985WO1985001075A1 Improvements in or relating to river control structures
03/12/1985US4503649 Modular block structures for breakwaters, harbor dams and the like
02/1985
02/12/1985US4498810 Collapsible rubber dam
01/1985
01/29/1985CA1181602A1 Commonwealth flexible wall dams (abbreviated as cfd2)
01/15/1985US4493587 System for creating dams with mobile and/or partially mobile water-retaining elements
01/08/1985CA1180564A1 System for creating dams with mobile and/or partially mobile water-retaining elements
11/1984
11/27/1984US4484728 Rolling seal sluice gate
10/1984
10/23/1984US4478534 Flood control system
07/1984
07/31/1984CA1171673A1 Flexible barriers
06/1984
06/19/1984US4455106 Flood control apparatus for mounting at the top of a dam
06/19/1984CA1169332A1 Radial gate having fine tuning of flow control
05/1984
05/23/1984EP0108777A1 Ventilation device for the continuous and stationary regulation in an overflow siphon
05/22/1984US4449851 Energy-efficient automatic sluice gate for sustaining a fluid level
03/1984
03/27/1984US4439061 For use in forming a stoplog gate
03/07/1984EP0102287A1 Siphon apparatus with variable flow
12/1983
12/20/1983CA1158875A1 Flap-gate for bottom discharge control in canals having ice problems
12/06/1983CA1158053A1 Reversible canadian flexible dams (rcfd)
11/1983
11/24/1983WO1983004060A1 Ventilation device for the continuous and stationary regulation in an overflow-siphon
07/1983
07/20/1983EP0083800A1 Barrage for the automatic maintenance of a water level with little energy consumption
07/19/1983US4394098 Radial gate having fine tuning of flow control
07/19/1983CA1150070A1 Canadian flexible dams
06/1983
06/01/1983EP0079887A1 Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same.
04/1983
04/12/1983CA1144381A1 Dams or barrages
03/1983
03/22/1983US4377352 Self-actuating water containment barrier
03/22/1983CA1143297A1 Liquor overflow systems
02/1983
02/16/1983EP0072026A1 A rolling seal sluice gate
12/1982
12/09/1982WO1982004273A1 Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same
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