| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 11/02/1982 | US4357121 Flap-gate for bottom discharge control in canals having ice problems |
| 10/19/1982 | CA1133708A1 Pneumatically inflatable flexible envelope type dam |
| 10/05/1982 | US4352592 Gate system for a hydraulic dam |
| 10/05/1982 | US4352591 Pneumatic toroidal weir |
| 09/14/1982 | US4349296 Irrigation ditch gate |
| 09/08/1982 | EP0059515A1 Machine for the layered placing of core material and of the adjacent transitional material for dams |
| 07/20/1982 | CA1127856A1 Diversion sluice gate with wheel retracting system for hydro-electric plant |
| 06/23/1982 | EP0054289A1 Collapsible dam |
| 06/22/1982 | CA1126041A1 Sluice gate assembly |
| 06/01/1982 | US4332507 Water level control system for a reservoir |
| 06/01/1982 | CA1124532A1 Irrigation ditch gate |
| 05/18/1982 | US4330224 Collapsible rubber dam installation |
| 05/18/1982 | CA1123977A1 Dike building material comprising sand and treated sludge |
| 05/05/1982 | EP0050958A2 Improvements in or relating to flexible barriers |
| 04/14/1982 | EP0049435A2 Collapsible dam and clamp therefor |
| 03/30/1982 | US4321774 Flood barrier |
| 03/24/1982 | EP0047753A1 Sealing means, primarily for a penstock or sluice gate |
| 03/17/1982 | EP0047273A1 Sealing means, primarily for a penstock or sluice gate |
| 03/09/1982 | US4318634 Non-vibrating collapsible dam |
| 02/09/1982 | US4314774 Pneumatically inflatable flexible envelope type dam |
| 02/03/1982 | EP0045053A1 Swinging dam |
| 01/12/1982 | US4310262 Collapsible dam and apparatus for raising and lowering the dam |
| 11/24/1981 | CA1112806A1 Swimming pool construction and method of making the same |
| 11/17/1981 | US4300858 Variable dam |
| 11/10/1981 | US4299514 Collapsible rubber dam |
| 09/17/1981 | WO1981002595A1 Sealing means,primarily for a penstock or sluice gate |
| 09/17/1981 | WO1981002594A1 Sealing means,primarily for a penstock or sluice gate |
| 09/09/1981 | EP0035247A2 Lateral seal for collapsible dams |
| 07/21/1981 | US4279540 Collapsable dam |
| 05/13/1981 | EP0028558A1 Method of improving the sliding resistance of a civil engineering construction and its foundation |
| 05/12/1981 | US4266885 Method of constructing a continuous cut-off wall and a core of a fill-type dam |
| 05/05/1981 | US4265564 Sluice gate assembly |
| 04/28/1981 | US4263759 Swimming pool construction and method of making the same |
| 02/24/1981 | US4252461 Maneuverable dam |
| 01/13/1981 | CA1093421A1 Storm overflow basin |
| 01/07/1981 | EP0021880A1 Sealing system for hydraulic barrage |
| 12/30/1980 | US4242009 Apparatus for automatically and selectively discharging saline water |
| 10/21/1980 | US4229119 Liftable and collapsible barrage |
| 10/07/1980 | US4226553 Slide gates for water and sewage treatment plants |
| 09/30/1980 | US4225434 Storm overflow basin |
| 09/23/1980 | CA1086084A1 Liftable and collapsible barrage |
| 09/16/1980 | CA1085805A1 Apparatus and method for valve installation in a flume |
| 09/02/1980 | US4220420 Sealing means, primarily for a sluice gate |
| 04/02/1980 | EP0009272A1 A method for the stabilization of hydraulics works using an open bituminous mixture and a chute for use in this method |
| 03/25/1980 | CA1074143A1 Injection sealable waterstop and method of installing same |
| 02/12/1980 | US4188153 Formation of barriers |
| 02/06/1980 | EP0007636A1 Raisable and lowerable barrier for waterway |
| 01/22/1980 | US4184786 Earth dam protective covering |
| 01/15/1980 | CA1069712A1 Flow control device for an irrigation ditch |
| 01/01/1980 | CA1068913A Portable dams |
| 10/02/1979 | CA1063480A1 Adjustable flow floating weir assembly |
| 09/11/1979 | US4167358 Open-channel flow control system |
| 08/28/1979 | US4165882 Sealing means for slide gate |
| 04/17/1979 | CA1052548A1 Method of progressively developing large concrete structures |
| 04/03/1979 | US4147451 Apparatus for valve installation in a flume |
| 03/27/1979 | US4146346 Apparatus and method for controlling tide waters |
| 01/30/1979 | US4136995 Portable dams |
| 12/26/1978 | CA1044905A1 Sluice gate assembly |
| 12/19/1978 | CA1044406A1 Compositions of bituminous concretes and open-graded bituminous mixtures for hydraulic works |
| 12/05/1978 | US4128267 Lifting beam |
| 11/21/1978 | CA1042674A1 Lifting apparatus |
| 09/19/1978 | US4114381 Positive flow estuary structure |
| 08/01/1978 | US4103497 Manoeuvrable weir |
| 08/01/1978 | US4103496 Collapsible and expansible barrage |
| 05/23/1978 | US4090363 Dam of earth or rock fill having impervious core |
| 05/16/1978 | US4089180 Long-life floodgate |
| 02/28/1978 | US4075851 Penstocks |
| 02/21/1978 | US4074384 River ramp for hovercraft |
| 02/14/1978 | US4073147 Water gate control system |
| 01/31/1978 | US4070864 Adjustable irrigation dam |
| 01/31/1978 | US4070863 Sluice gate assembly with extrudable seal |
| 08/16/1977 | US4041665 Injection sealable waterstop and method of installing same |
| 07/19/1977 | US4036023 Flood control system for a dam |
| 06/14/1977 | US4028896 Sluice gate assembly |
| 06/07/1977 | US4027487 Method for adjusting an automatic sluice with a view to ensuring a determined level |
| 05/10/1977 | US4022429 Lifting apparatus |
| 04/05/1977 | US4015629 Adjustable flow floating weir assembly |
| 08/24/1976 | US3975915 Anchor assembly for an inflatable fabric dam |
| 08/17/1976 | US3974655 Water gate |
| 07/06/1976 | US3967453 Connecting channel between two different water levels |
| 05/04/1976 | US3953978 Combined drain and flood gate |
| 03/09/1976 | US3942328 Automatic canal gate |
| 02/03/1976 | US3936211 Drainage ditch mule |
| 02/03/1976 | US3935711 Flap gate |
| 01/13/1976 | US3931778 Support barge method and apparatus |