| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 06/20/2007 | CN1321561C A method and apparatus for flood irrigation |
| 06/14/2007 | US20070134066 Drainage Management Systems and Methods |
| 06/13/2007 | CN2911008Y Self-cleaning trash rack |
| 06/06/2007 | CN1974957A Air bag antisilting up structure |
| 06/06/2007 | CN1320213C Sand-trap water-take dam |
| 06/05/2007 | US7226242 Catch basin for salt water sand |
| 06/05/2007 | CA2293892C Apparatus for collecting and removing solid particles from a flowing fluid |
| 05/30/2007 | EP1311728B1 Control gates |
| 05/30/2007 | CN1318702C Installation for trapping sediment from riverbed and seabed promoting siltation and erosion protection |
| 05/22/2007 | US7220361 Torque-limited drive system, method, and apparatus for a fluid screening system |
| 05/01/2007 | CA2293267C Flow inducer fish guide and method of using same |
| 04/26/2007 | US20070090031 Variable speed waste removal system |
| 04/25/2007 | CN2892960Y Structure for reservoir bottom filling burying waste slags |
| 04/25/2007 | CN1952269A Sand-drainage construction system for diversion channel |
| 04/25/2007 | CN1952268A Control gates |
| 04/18/2007 | EP1774104A1 Fish guidance system |
| 04/11/2007 | CN1944805A Gear form dam matching intermittent latoral pull gate device |
| 03/29/2007 | WO2007035463A2 Inflatable weir fish passage systems and method |
| 03/22/2007 | WO2007032616A1 Sludge treatment system for dam |
| 03/22/2007 | US20070065231 Inflatable weir fish passage systems and methods |
| 03/20/2007 | US7192217 Baffle apparatus |
| 03/15/2007 | WO2007028207A1 A flow control fitting |
| 03/15/2007 | DE102005042476A1 Lamellae closure for fish ascent arrangement, has lamellae cross section arranged by using molding or composition molding or lamination so that additional effect is obtained on flow distribution and water flow-rate in vertical slot |
| 03/14/2007 | CN2878504Y Automatic water draining apparatus |
| 02/28/2007 | CN1920190A Pollution absorption and drainage method of reservoir or water basin as drinking water sources and apparatus therefor |
| 02/28/2007 | CN1302177C Lake littoral comprehesive wave damping method and apparatus |
| 02/27/2007 | US7182856 Stormwater treatment train |
| 02/21/2007 | CN2871644Y Assembled overflowing dam |
| 02/20/2007 | CA2149079C Screen scraper for trash racks |
| 02/08/2007 | DE10237511B4 Vorrichtung zum Umleiten von Lebewesen und Gegenständen aus einer kanalisierten Wasserströmung Apparatus for redirecting creatures and objects from a channelized flow of water |
| 02/07/2007 | CN2866597Y Plastic flat plate gate |
| 02/07/2007 | CN1298935C Load distribution type drainage building middle pier for eliminating water overflow |
| 02/06/2007 | CA2149452C Method and apparatus for cleaning tubes of heat exchangers |
| 01/31/2007 | CN1297729C A potholing method |
| 01/31/2007 | CN1297713C Back ward water draining system of face plate rock-fill dam dam body and its construction method |
| 01/25/2007 | WO2007011274A1 Device for migratory fish |
| 01/25/2007 | WO2007011273A1 Migratory fish device for a road culvert |
| 01/25/2007 | US20070020049 Catch basin for salt water sand |
| 01/24/2007 | EP1746212A2 Horizontally traveling water screen |
| 01/24/2007 | EP1313922B1 Screen assembly for combined sewer overflow weir |
| 01/24/2007 | CN1900429A Locking device for locking beam of flood discharge flat plate gate |
| 01/19/2007 | CA2552486A1 Protective sleeve for intake rack bars |
| 01/17/2007 | CN1295398C Water bottom type drainage building middle pier for eliminating water overflow |
| 01/10/2007 | EP1740776A1 Bottom seal |
| 01/10/2007 | EP1740286A1 Screening grid |
| 01/03/2007 | CN1888322A Method for rebuilding diversion tunnel to pressure expanded aerated flood-discharge tunnel |
| 01/03/2007 | CN1888321A L-type energy dissipater |
| 01/03/2007 | CN1888320A Vent and bank pressing energy dissipater |
| 12/13/2006 | CN2847274Y Detector for reservoir flat inclined culvert |
| 12/12/2006 | US7147784 Hydraulic motor coupled to a drive shaft of the screen, sized to provide the torque required to drive the screen throughout the desired speed range, as well as to provide additional torque for the overload protection required when lodged solids block a rotating rake bar |
| 12/06/2006 | CN1874832A Cleaning device for a trash screen, trash screen comprising a cleaning device, and method for cleaning one such trash screen |
| 12/06/2006 | CN1873107A Dissipater of hole stopper |
| 12/05/2006 | US7144500 Variable speed waste removal system |
| 11/15/2006 | CN1863970A Automatic variable fishway by water level sensed |
| 11/08/2006 | EP1170985A4 A method and apparatus for flood irrigation |
| 11/02/2006 | EP1717374A1 Fish ascent and descent device |
| 10/21/2006 | CA2543968A1 Fish barrier |
| 10/18/2006 | CN1280488C Control gates |
| 10/12/2006 | WO2006107984A1 Collector with adjustable input/discharge to control sediment removal |
| 10/05/2006 | WO2005040500A3 Water filtration system having removable filter panels |
| 10/03/2006 | US7114878 Irrigation gate system |
| 09/27/2006 | CN1837494A Intelligent protection system for high-dam plunge pool |
| 09/27/2006 | CN1837493A Hydraulic self-controlling water drainage structure of bottom plate of stilling pond |
| 09/27/2006 | CN1837492A Mechanism for burying waste residue in reservoir bottom |
| 09/20/2006 | CN2818548Y Spillway of stone dam body with reinforced concrete panel |
| 09/20/2006 | CN1276153C Supporting type labyrinth barrage |
| 09/13/2006 | CN1274908C Method and system controlling mud. sand migration using wave flow action |
| 09/08/2006 | WO2006093214A1 Transportation system and transportation method for dredged sediment |
| 08/23/2006 | EP1471985B1 Removable bar for bar screen |
| 08/23/2006 | CN2809006Y Gravity flow sediment ejector |
| 08/16/2006 | EP1689937A2 Water filtration system having removable filter panels |
| 08/01/2006 | US7083359 Control gates |
| 07/31/2006 | CA2533232A1 Sediment control |
| 07/12/2006 | EP1677890A1 Cleaning device for a trash screen, trash screen comprising a cleaning device, and method for cleaning one such trash screen |
| 07/06/2006 | WO2006071010A1 Fishway block |
| 07/06/2006 | DE10153066B4 Fangvorrichtung für flussabwärts wandernde Fische Safety gear for downstream migrating fish |
| 07/04/2006 | CA2278098C Raked bar screen |
| 06/29/2006 | DE10218766B4 Zu- oder Ablaufmönch zur wasserseitigen Bewirtschaftung Inlet or outlet monk for water-side management |
| 06/21/2006 | EP1626793B1 Fine-screened grid |
| 06/14/2006 | CN1259487C Deposit conveying mechanism and deposit conveying method |
| 06/08/2006 | DE202006005000U1 Fish ladder for rising in running waters overcomes a dam's height with rectangular basins interlinked by vertical through-flow slots fitted crosswise between water inlets/outlets on alternate sides |
| 05/31/2006 | EP1660728A2 Hydraulic dam |
| 05/31/2006 | CN2784459Y Snail-depositing pond of culvert gate and channel water-delivery engineering |
| 05/30/2006 | US7052208 Discharge control system for a reservoir |
| 05/04/2006 | US20060090708 Fish barrier |
| 04/28/2006 | CA2524555A1 Fish barrier |
| 04/20/2006 | US20060083592 Control gates |
| 04/12/2006 | EP1644586A1 Fish pass |
| 04/05/2006 | EP1643037A1 Machine for removing floating refuse from the surface of water |
| 04/05/2006 | CN1249306C Suspension screen raking system |
| 03/23/2006 | DE202005019792U1 Fish pass for overcoming water storage level comprises an upstream water inlet and a downstream water outlet and basins whereby sections of the fish pass in each case are prefabricated in trough from profiled material |
| 03/23/2006 | DE10112339B4 Vorrichtung zum Abziehen einer vorgegebenen Flüssigkeitsmenge aus einem Flüssigkeitsreservoir mit veränderlichem Flüssigkeitsspiegel A device for drawing a predetermined amount of liquid from a liquid reservoir with a variable fluid level |
| 03/22/2006 | CN1246535C Combined connecting-rod wave-removing device |
| 03/22/2006 | CA2482158A1 Debris flow retaining apparatus |
| 03/16/2006 | US20060056915 Control gates |
| 03/15/2006 | CN2764818Y Tooth form bottom board labyrinth weir |
| 03/08/2006 | CN1743559A Sand-trap water-take dam |
| 03/01/2006 | EP1629877A1 Screen for the filtration of water |
| 02/23/2006 | US20060037897 Water intake rotary screen |
| 02/22/2006 | EP1626793A1 Fine-screened grid |