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