| Patents for E02B 8 - Details of barrages or weirs (2,159) |
|---|
| 05/13/1992 | EP0484724A2 Device for collecting and delivering solid particles from flowing water |
| 05/05/1992 | CA1300037C Self-cleaning trash rack |
| 04/23/1992 | DE4033469A1 Electronic musical tune generator - uses envelope curve generators coupled to D=A converters handling acoustic data provided by memory circuits |
| 04/15/1992 | EP0480075A1 Conveying sieve grid |
| 04/01/1992 | EP0477745A1 Measurement apparatus submerged measurement weir |
| 03/24/1992 | US5098561 Machine for intercepting solid constituents in liquid streams |
| 03/18/1992 | CN1059575A Combined electrical fish screen with multipolar array arrangement for reservoir culverts |
| 02/26/1992 | EP0471818A1 Machine with mobile grid for the elimination from channels and similar of solid products transported by a liquid flow |
| 01/09/1992 | DE4020168A1 Rod-controlled grill cleaner for power stations - has grill arm, and all its movements are activated by motor with threaded drive and pivot rod |
| 01/08/1992 | CN1057691A Sandsucker for reservoir |
| 12/24/1991 | US5074996 Telescopical bar screen raking system |
| 12/12/1991 | DE4014582A1 Weir allowing fish passage - through selectively opened submerged opening of acrylic] glass material |
| 11/28/1991 | DE4016450A1 Sieve belt rake operating continuously - incorporates transverse bars with wire loop-type components running in flow direction |
| 10/29/1991 | US5061118 Overflow spillway for dams, weirs and similar structures |
| 10/09/1991 | EP0450109A1 Liquid reservoir with a drain |
| 09/09/1991 | WO1991014048A1 Machine with mobile grid for the elimination from channels and similar of solid products transported by a liquid flow |
| 09/09/1991 | CA2055456A1 Machine with mobile grid for the elimination from channels and similar of solid products transported by a liquid flow |
| 08/28/1991 | EP0443205A1 Sieve grid for the removal of solid matter from flowing fluids |
| 08/28/1991 | CN2083595U Lock type underwater antomatic lifting beam |
| 08/07/1991 | EP0440573A1 Downstream bar screen cleaner, ejecting upstream, comprising a hinged comb that goes down pivoted and goes up again, horizontaly opened while cleaning the bar screen and a mobile upstream overflow |
| 07/25/1991 | DE4001859A1 Screen for removing solid foreign material from flowing liquids - in which inclined screen with reciprocating rake has rake drive system using levers and sliding blocks |
| 07/24/1991 | CA2034250A1 Machine for intercepting solid constituents in liquid streams |
| 07/16/1991 | US5032263 Bar screen and rake apparatus |
| 07/16/1991 | US5032262 Device in rinsing screens |
| 07/16/1991 | US5032038 Overflow spillway for dams, weirs and similar structures |
| 07/10/1991 | CN1052914A Overflow spillway for dams, weirs and similar structures |
| 07/03/1991 | EP0435732A1 Spillway for high water for barrages and similar structures |
| 06/26/1991 | EP0434521A1 High water spillway for barriers and similar works |
| 06/19/1991 | EP0432959A2 Bar screening apparatus with improved rake |
| 06/15/1991 | CA2031794A1 Bar screening apparatus with improved rake |
| 06/13/1991 | WO1991008346A1 Grid cleaner |
| 05/28/1991 | CA1284461C Raking apparatus |
| 05/07/1991 | WO1991006710A1 Automatic swing fishway apparatus |
| 05/07/1991 | US5013430 Sewage treatment |
| 04/23/1991 | CA1283426C Fish conveying apparatus |
| 02/13/1991 | CN1049207A Energy-relief method of soft base spillway dam |
| 11/20/1990 | US4970747 Trash rack cleaning apparatus |
| 11/10/1990 | WO1990013238A1 Trash rack cleaning apparatus |
| 10/25/1990 | DE3913020A1 Water course grille-cleaning mechanism - has scraper working against rake and coupled to hinging discharge chute below |
| 05/29/1990 | US4929122 Fish protection system for dams |
| 05/10/1990 | DE3837789A1 Circular sand trap for smaller and medium-sized hydroelectric power plants with tangential feed and centripetal outlet of the pure water (cyclone sand trap) |
| 05/10/1990 | DE3837707A1 Liquid container with discharge channel |
| 05/09/1990 | EP0367085A2 Method and device for removing debris from grids |
| 03/29/1990 | DE3926695A1 Watercourse screen-cleaning mechanism - has tool drive below water level in channel |
| 03/22/1990 | DE3831099A1 Screen comprising wire cables |
| 02/27/1990 | US4904114 Fish conveying apparatus |
| 02/20/1990 | US4902430 Forming bore holes, inserting sediment traps, disposing sleeve elements and withdrawing traps |
| 01/17/1990 | EP0155948B1 Improvements in or relating to river control structures |
| 12/21/1989 | DE3820212A1 Arcuate screen with overhead-loading screen cleaner for clarification plants |
| 12/13/1989 | EP0346311A2 Screening device |
| 12/07/1989 | DE3818501A1 Cleaning rake |
| 10/31/1989 | US4877537 Pumping system for gates |
| 08/30/1989 | EP0221991B1 A device for collecting and discharging solid particles carried by flowing water |
| 08/10/1989 | DE3802415A1 Process and plant for the production of a transportable product from mechanical impurities of waste waters |
| 08/01/1989 | US4853116 Device for collecting and discharging solid matter |
| 07/25/1989 | US4851114 Cleaning apparatus for bar screen |
| 07/18/1989 | CA1257551A1 Apparatus for the recovery of living organisms on the rotary filters of water pumping stations |
| 05/23/1989 | US4832527 Vertically reciprocable gates for the control of a liquid media |
| 03/30/1989 | DE3730390A1 Screen for water or sewage channels |
| 11/23/1988 | EP0291574A2 Filter rake |
| 11/22/1988 | US4786419 Method and device for improving the reoxygenation of water in line with barrages |
| 10/25/1988 | US4780199 Reciprocal carriage to move rake vertically; waste water treatment |
| 10/20/1988 | DE3741986A1 Fish pass |
| 06/13/1988 | EP0155948A4 Improvements in or relating to river control structures. |
| 05/04/1988 | EP0167560B1 A method and apparatus for separation |
| 04/26/1988 | US4740105 Fish diversion system |
| 03/15/1988 | CA1234057A1 Interchangeable screen panels for a traveling water screen |
| 03/10/1988 | DE3629145A1 Rope drive for tiltable cleaning rakes of rack cleaning machines |
| 02/16/1988 | US4725366 Removing debris from bar screen in fluid channel |
| 02/16/1988 | US4725365 Removal of debris from fluid-carrying channels |
| 12/23/1987 | DE3620474A1 Rake cleaning device with pneumatic drive |
| 12/03/1987 | DE3617665A1 Rotary rake |
| 12/01/1987 | US4709804 Self-cleaning trash rack |
| 11/19/1987 | DE3615499A1 Cross-flow rotary screen |
| 11/12/1987 | DE3615243A1 Rake conveyor for treatment plants for rivers and bodies of water |
| 11/05/1987 | DE3614666A1 Screening apparatus for sewage treatment works |
| 08/11/1987 | CA1225245A1 River control structures |
| 07/02/1987 | DE3546038A1 Method and device for controlling the sequence of movement of the trash-rack cleaner of a trash-rack cleaning implement in hydraulics installations |
| 06/30/1987 | US4676893 Water jets forming single liquid stream into channel trough |
| 06/03/1987 | EP0223893A1 Self-cleaning filter and raked bar screen for canals and industrial applications |
| 05/27/1987 | EP0222752A1 Mechanically raked bar screen with conveyor system having elastomeric rakes |
| 05/20/1987 | EP0221991A1 A device for collecting and discharging solid particles carried by flowing water. |
| 05/12/1987 | US4664853 Energy dissipator |
| 05/05/1987 | US4662782 Culvert beaver block |
| 04/23/1987 | DE3536587A1 Device for eliminating the screenings collecting in front of a screen through which flow has occurred |
| 04/14/1987 | US4657434 River control structures |
| 02/10/1987 | US4642195 Cleaning screens without dismounting |
| 12/18/1986 | WO1986007283A1 Mechanically raked bar screen with conveyor system having elastomeric rakes |
| 12/16/1986 | US4629361 Fishway in a stream of water having an obstruction across it |
| 12/04/1986 | WO1986007106A1 A device for collecting and discharging solid particles carried by flowing water |
| 11/12/1986 | EP0201478A1 Sliding gate for blocking or regulating the flow of water in gutters |
| 07/01/1986 | US4597864 Continous removal from water stream |
| 01/15/1986 | EP0167560A1 A method and apparatus for separation. |
| 11/06/1985 | EP0160590A1 Apparatus for recuperating living organisms on rotating filters in water pump stations |
| 10/15/1985 | CA1195129A1 Culvert beaver block |
| 10/02/1985 | EP0155948A1 Improvements in or relating to river control structures. |
| 09/17/1985 | US4541930 Interchangeable screen panels for a traveling water screen |
| 07/04/1985 | WO1985002794A1 A method and apparatus for separation |
| 06/04/1985 | US4521306 Mechanically raked bar screen with conveyor system having elastomeric rakes |
| 05/21/1985 | US4518494 Cleaning device for industrial water intakes |