| Patents for E02B 8 - Details of barrages or weirs (2,159) |
|---|
| 08/27/2003 | CN1438388A Water-pressure pipe sand-discharging apparatus |
| 08/20/2003 | CA2371697A1 Modular fish ladder |
| 08/14/2003 | US20030150785 Up-flow rake bar screen |
| 07/31/2003 | WO2003062535A1 Apparatus in fish wandering channel having enticing water flows, and method for providing a fish displacement using such apparatus |
| 07/30/2003 | CN2563187Y Pollution discharge sluise gate |
| 07/24/2003 | WO2003059487A1 Removable bar for bar screen |
| 07/23/2003 | EP1329557A1 Device for cleaning a grate |
| 07/17/2003 | US20030133754 Modular fish ladder |
| 07/17/2003 | US20030132149 Removable bar for bar screen |
| 07/17/2003 | US20030131801 Natural cue surface bypass collector |
| 07/10/2003 | US20030127377 Stormwater treatment train |
| 07/08/2003 | US6588370 Labyrinth weir and pool fishway |
| 06/26/2003 | US20030118406 Parallel fish channel |
| 06/18/2003 | CN2556265Y Rubber dam anchoring member |
| 06/17/2003 | US6579450 Non-metallic tooth segment and bar rack design |
| 06/05/2003 | WO2003046292A1 Spilway with improved dissipation efficiency |
| 06/04/2003 | CN2554228Y Channel for fish swiming counter-flow through dam |
| 05/28/2003 | EP1313922A1 Screen assembly for combined sewer overflow weir |
| 05/22/2003 | US20030095833 Sediment control barrier |
| 05/21/2003 | EP1311728A1 Control gates |
| 05/15/2003 | US20030089088 Debris removal system |
| 05/15/2003 | DE20302917U1 Moving sieving plate arranged in frame used for rakes for liquid-solid separation is hinged and fixed by spring arrangement in upper region |
| 04/17/2003 | WO2003031335A2 Debris removal system |
| 04/17/2003 | US20030070970 Non-metallic tooth segment and bar rack design |
| 04/11/2003 | CA2406587A1 Non-metallic tooth segment and bar rack design |
| 04/10/2003 | DE20300821U1 Net construction for removing objects from running water, especially during floods, comprises net with relatively high bank zones |
| 04/09/2003 | CN1409790A System and method for discharging deposit |
| 04/09/2003 | CN1408957A High water energy dissipating by-pass apparatus and method |
| 03/20/2003 | WO2003023149A1 High-flow sediment-free fish ladder |
| 03/20/2003 | WO2003023148A1 Liquid level regulation apparatus |
| 03/18/2003 | CA2186631C Retractable traversing trash rake |
| 02/26/2003 | EP1285142A1 Self-cleaning device, especially for trash screening |
| 02/13/2003 | DE20213596U1 Pond drainage system capable of removing sludge, comprises combination of perforated vertical stand pipe and sludge removal pipe located inside drain |
| 02/06/2003 | WO2003010390A1 Water-rotating watergate device for fishway piping system |
| 02/06/2003 | US20030026660 Automatically opened and closed water gate |
| 01/23/2003 | US20030017003 Modular migration fishway |
| 01/08/2003 | EP1272028A1 Grating |
| 01/02/2003 | EP1268949A1 Up-flow rake bar screen |
| 12/18/2002 | EP0954651B1 Raked bar screen |
| 12/17/2002 | CA2288934C Bar screen with rotating rakes |
| 12/12/2002 | US20020187006 Migratory fish bypass channel with natural features |
| 12/12/2002 | US20020185422 Disposable net assemblies for apparatus for collecting floating debris |
| 10/22/2002 | US6467998 Self-regulating weirs and fishways |
| 10/10/2002 | US20020146286 Deposit discharge system and method of discharging deposit |
| 10/03/2002 | US20020139734 Toothformed lattice plate |
| 10/02/2002 | DE10111627A1 Powerstation trashrack grid cleaning uses plastics boom ahead of plastics cleaning bar to wipe incoming fish clear without injury or damage. |
| 09/19/2002 | DE10048528A1 Trash rack for rain runoff plant has downstream-fitted and rail-guided flushing pipe spaced from rack with jets at rack bar spacing jetting high pressure medium onto rack |
| 09/04/2002 | EP1236832A1 System and method for discharging deposit |
| 09/03/2002 | US6443654 Hydraulic energy dissipating offset stepped spillway |
| 08/22/2002 | US20020113026 Bar screen system with emergency discharge doors |
| 08/14/2002 | DE10042477C2 Abwasserrechen Wastewater Screens |
| 08/14/2002 | CN1089132C Dam flood discharger |
| 07/31/2002 | CN2503114Y Flaring pier-stepped dam face-scoop tank joint energy dissipation structure |
| 07/31/2002 | CN2503113Y Arch dam large differential tooth bank flood discharging structure |
| 07/25/2002 | WO2002057549A1 A self-cleaning filter grating |
| 07/11/2002 | WO2002053843A1 Fishway, and method of assisting running up and down of aquatic organisms |
| 06/25/2002 | US6409915 Rake cleaning arrangement |
| 06/25/2002 | US6409427 Soil erosion collector |
| 06/13/2002 | WO2002046543A1 Device for separating and removing separation materials from a flowing liquid |
| 06/13/2002 | DE10100098A1 Grid for preventing entry of larger objects into water installations consists of bars provided with top elements which narrow down the entry sections of the grid |
| 06/12/2002 | CN1353237A Method for piping-type sand collection in river, shifting silt from reservoir and treating river and desert |
| 05/28/2002 | US6394699 Apparatus for reduced flow fish passage |
| 05/28/2002 | CA2155517C Strainer for removing particles from effluent |
| 05/15/2002 | EP1204799A1 Liquid flow controller device |
| 05/08/2002 | DE10017598C2 Vorrichtung zum Ableiten flußabwärts wandernder Fische Means for deriving downstream migratory fish |
| 05/08/2002 | CN1084418C Weir crest contracted jet technique and its combined energy dessipator |
| 05/02/2002 | DE10050816A1 Waterway trash pack cleaner forms with rack and apron a slope-out trash flushing trough with fitted flush-out pump and arranged so trough leading edge lies clear or dips into water. |
| 05/02/2002 | DE10046708A1 Screener rake esp. for rainwater overflow collection basins has rake teeth shaped for collected material to be pushed from gaps between teeth |
| 05/01/2002 | CN2488960Y Energy dissipation and flood discharge for large dam in new type of diffusion mode |
| 04/16/2002 | US6371696 Pylon servicing apparatus |
| 04/11/2002 | DE10042477A1 Waste water rake used for retaining bulky items such as wood comprises a lattice consisting of gaps separated by bars and having gripping elements passing through the gaps on the waste |
| 04/02/2002 | US6365045 Apparatus for use in a sewage treatment plant |
| 03/07/2002 | WO2002018720A1 Creen assembly for combined sewer overflow weir |
| 02/28/2002 | WO2002016698A1 Control gates |
| 02/28/2002 | CA2781640A1 Control gates |
| 02/28/2002 | CA2694067A1 Control gates |
| 02/20/2002 | CN1336467A Automatic monoway water gate |
| 02/19/2002 | US6347908 Fish guidance system |
| 02/13/2002 | CN1335747A A method and apparatus for flood irrigation |
| 01/16/2002 | EP1170985A1 A method and apparatus for flood irrigation |
| 12/05/2001 | CN2463451Y Hydraulic automatic vacuum aspirator |
| 12/04/2001 | US6325570 Fishway system with turbine |
| 12/02/2001 | CA2310264A1 Industrial fencing blocks |
| 11/22/2001 | WO2001088291A1 Self-cleaning device, especially for trash screening |
| 11/21/2001 | EP0984824B1 Bar screen with rotating rakes |
| 10/18/2001 | WO2001077442A1 Device for diverting fish migrating downstream |
| 10/18/2001 | DE10017598A1 Device for deviating fish wandering downstream from an inlet channel of a turbine of a hydroelectric plant has a flow barrier in the inlet channel extending across the flow direction |
| 10/11/2001 | WO2001075240A1 Up-flow rake bar screen |
| 10/11/2001 | WO2001074152A1 Grating |
| 10/11/2001 | CA2403151A1 Up-flow rake bar screen assembly |
| 10/04/2001 | DE10015112A1 Rotating screen for waste water treatment has a collecting trough with integral screw feed to remove solids lifted out of a waste duct |
| 09/25/2001 | US6294085 Sewage screening apparatus |
| 09/12/2001 | EP1132524A2 Transport device for downstream migrating fish |
| 09/05/2001 | EP0910707B1 Stepped filtration device for mechanically separating solids from liquids |
| 08/28/2001 | US6280612 Revolving screening rack, supporting frame for a revolving screening rack and a control shackle of a screening element |
| 08/23/2001 | DE10006173A1 Transport device for downstream-wandering fish increases number of fish moving despite water weir blocking water course cross-section |
| 08/14/2001 | US6273639 Method and apparatus for facilitating migration of fish past dams and other barriers in waterways |
| 08/08/2001 | CN2441858Y Flood discharge sand discharge gate of reservoir without dam |
| 08/02/2001 | DE10003761A1 Bypass für Fische an Kraftwerken Bypass for fish at power plants |
| 07/25/2001 | EP1117873A1 Method for the separation of impurities in incoming waste water and device for applying the method |