| Patents for E02B 8 - Details of barrages or weirs (2,159) |
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| 02/16/2006 | US20060034669 Aboveground Modular, Permeable Reactive Barrier System for Rainfall Runoff Treatment |
| 02/09/2006 | DE212004000029U1 Fine-screened grid for cleaning industrial and domestic sewage comprises screening grate, and slide which is guided on grate and is located on slider arm |
| 01/25/2006 | EP1009231B1 Flow inducer fish guide and method of using same |
| 01/18/2006 | EP1616055A1 An anti-flooding device for the exploitation of water energy |
| 01/11/2006 | CN2751196Y Dam protection slope panel back valve |
| 01/11/2006 | CN1236145C Double-gear hydraulic cylinder type operation device |
| 01/05/2006 | DE10046708B4 Siebrechen in Abwasseranlagen, insbesondere Regenüberlaufbecken CSO screen in sewage systems, in particular Stormwater Overflow |
| 01/04/2006 | CN2749934Y Automatic flood gate |
| 12/29/2005 | WO2005124032A1 Fish guidance system |
| 12/27/2005 | CA2264593C Stepped filtration device for mechanically separating solids from liquids |
| 12/22/2005 | US20050279680 Water intake screen with circular filter panel |
| 12/07/2005 | EP1602785A1 Slide gate |
| 12/01/2005 | US20050265787 Discharge control system for a reservoir |
| 11/26/2005 | CA2508293A1 Discharge control system for a reservoir |
| 11/23/2005 | CN1228515C Device for separating and removing separation materials from flowing liquid |
| 11/08/2005 | US6962465 Method for improving the environment within soil embedded culvert and bridge systems |
| 11/03/2005 | WO2005103390A1 Bottom seal |
| 11/03/2005 | WO2005102494A1 Center flow perforated plate filter |
| 11/03/2005 | DE19925934B4 Rechen für Abwasseranlagen od. dgl. Rake for wastewater facilities od. Like. |
| 11/02/2005 | CN2737832Y Button type crawler-type rubber dam repairing apparatus |
| 11/02/2005 | CN1225299C Apparatus for separating clean water from dirty water by water power |
| 10/27/2005 | WO2005100779A1 System comprising a device that can be rotatably driven by flowing water |
| 10/27/2005 | DE10331596B4 Fischpass Fishway |
| 10/27/2005 | DE102004020802A1 Anordnung mit einer vom strömenden Wasser rotierend antreibbaren Einrichtung Arrangement with a rotatably driven by the flowing water facility |
| 10/26/2005 | CN1687530A Installation for trapping sediment from riverbed and seabed promoting siltation and erosion protection |
| 10/20/2005 | WO2005097290A1 Screening grid |
| 10/20/2005 | US20050230294 Center flow perforated plate filter |
| 10/11/2005 | US6953524 Screen assembly for combined sewer overflow weir |
| 10/06/2005 | DE102004014022A1 Siebrechen Screening grid |
| 10/05/2005 | EP1582631A1 Device for shutting off or regulating a medium flow |
| 09/28/2005 | CN2729146Y Water pad type water fin removing outlet structure pier |
| 09/28/2005 | CN2729145Y Load distribution type water film removing outlet structure pier |
| 09/28/2005 | CN2729144Y Automatic flood storage, flood discharge and flood fight device for high dam flood area |
| 09/28/2005 | CN1673461A A potholing method |
| 09/22/2005 | DE202005010752U1 Technical fish lifting aid for lifting fish comprises troughs arranged radially around a central axis |
| 09/22/2005 | DE202005007496U1 System for cleaning overflow grid in a waste water treatment has solids removed by a reciprocating brush between suction hoods connected to a self priming pump by a flexible hose |
| 09/13/2005 | US6942423 Migratory fish channel associated with one or more dams in a river |
| 09/01/2005 | WO2005080690A1 Energy-spillway structure of a concrete dam |
| 08/24/2005 | CN2719913Y Movable wave absorption device |
| 07/28/2005 | US20050161380 Method and apparatus for remediation and prevention of fouling of recirculating water systems by detritus and other debris |
| 07/27/2005 | EP1471985A4 Removable bar for bar screen |
| 07/21/2005 | WO2005066420A1 System and method to prevent the impingement of marine organisms at the intake of power plants |
| 07/21/2005 | WO2005019672A3 Torque-limited drive system, method, and apparatus for a fluid screening system |
| 07/20/2005 | CN2711231Y Counter-regulation pond structure at downstream of dan |
| 07/05/2005 | US6913690 Debris removal system |
| 06/16/2005 | WO2005054584A1 Calibrated flood gate valve |
| 06/16/2005 | WO2005005733A3 Hydraulic dam |
| 06/16/2005 | US20050129463 Irrigation gate system |
| 06/16/2005 | DE202005003963U1 Folding railings for bridges and river side with an automatic fold action in flood conditions via floats and drive linkage |
| 06/14/2005 | US6905287 Water containment structure with fish ladder |
| 06/09/2005 | WO2005051514A1 Cleaning device for a trash screen, trash screen comprising a cleaning device, and method for cleaning one such trash screen |
| 06/09/2005 | US20050123354 Method for improving the environment within soil embedded culvert and bridge systems |
| 06/09/2005 | DE202005003709U1 Rake system for mechanical cleaning of liquid media comprises a rake, and a rake cleaning device with an extension arm on which a cleaning rake is attached so that it can be displaced along the longitudinal axis |
| 06/09/2005 | DE10350492A1 Reinigungsvorrichtung für einen Siebrechen, Siebrechen mit Reinigungsvorrichtung, sowie Verfahren zur Reinigung eines Siebrechens Cleaning device for a CSO screen, Screen having a cleaning apparatus and method for cleaning a CSO screen |
| 06/08/2005 | CN1624247A Method and system controlling mud. sand migration using wave flow action |
| 06/02/2005 | WO2005033422A3 Method for dredging without the significant consumption of water nor significant causing of pollution |
| 06/02/2005 | DE10350493A1 Cleaning device for cleaning effluent in effluent treatment installations comprises a cleaning unit with means for producing a low pressure on a cleaning section to form an eddy directed from a sieve rake to the cleaning section |
| 05/26/2005 | WO2005014937A3 Bio-passage for disrupting laminar flow |
| 05/26/2005 | US20050111916 Spilway with improved dissipation efficiency |
| 05/26/2005 | US20050109712 Water filtration system having removable filter panels |
| 05/24/2005 | US6896820 Automatic screening of liquid streams |
| 05/19/2005 | CA2450151A1 Irrigation gate system |
| 05/11/2005 | EP1311728A4 Control gates |
| 05/06/2005 | WO2005040500A2 Water filtration system having removable filter panels |
| 05/06/2005 | CA2543073A1 Water filtration system having removable filter panels |
| 04/27/2005 | CN1609344A Antisilting up apparatus for reservoir |
| 04/26/2005 | US6884001 Farm pond sediment diverter |
| 04/14/2005 | WO2005033422A2 Method for dredging without the significant consumption of water nor significant causing of pollution |
| 04/14/2005 | WO2005033420A1 Automatic variable fishway by water level sensed |
| 04/14/2005 | US20050076545 Deposit conveying mechanism and deposit conveying method |
| 04/13/2005 | CN2692206Y River dam biotunnel |
| 04/07/2005 | US20050074289 High-flow sediment-free fish ladder |
| 03/30/2005 | CN1602379A Deposit conveying mechanism and deposit conveying method |
| 03/22/2005 | US6869524 Scraper arm for rake screen |
| 03/15/2005 | US6866153 Disposable net assemblies for apparatus for collecting floating debris |
| 03/08/2005 | US6863807 Method and apparatus for remediation and prevention of fouling of recirculating water systems by detritus and other debris |
| 03/03/2005 | WO2005019672A2 Torque-limited drive system, method, and apparatus for a fluid screening system |
| 03/03/2005 | WO2005019548A1 Hydraulic drive system, method, and method of fluid screening with the system |
| 03/02/2005 | CN2682104Y Pressurized curve entrance section with S shaped entrance |
| 03/02/2005 | CN1587538A Water bottom type drainage Building middle pier for eliminating water overflow |
| 03/02/2005 | CN1587537A Load distribution type drainage building middle pier for eliminating water overflow |
| 03/02/2005 | CN1587536A Back ward water draining system of face plate rock-fill dam dam body and its construction method |
| 03/01/2005 | US6860677 Floating river debris skimmer |
| 02/23/2005 | CN1190568C System method for discharging deposit |
| 02/17/2005 | WO2005014937A2 Bio-passage for disrupting laminar flow |
| 02/17/2005 | US20050035064 Hydraulic or pneumatic drive system, method, and apparatus for a fluid screening system |
| 02/17/2005 | US20050035049 Torque-limited drive system, method, and apparatus for a fluid screening system |
| 02/17/2005 | CA2535227A1 Bio-passage for disrupting laminar flow |
| 02/16/2005 | CN1580416A Lake littoral comprehesive wave damping method and apparatus |
| 02/10/2005 | DE10331596A1 Fischpass Fishway |
| 02/09/2005 | EP1505209A2 Ground drain for water reservoir with illumination via optical fibres |
| 02/02/2005 | CN1572978A Apparatus for the separation and removal of liquid borne solid waste |
| 01/27/2005 | WO2005007975A1 Fish pass |
| 01/27/2005 | US20050016908 Apparatus for the separation and removal of liquid borne solid waste |
| 01/26/2005 | EP1500749A1 Device for filtering/sieving of a debris-loaded liquid and filtering/sieving method with this device |
| 01/20/2005 | WO2005005733A2 Hydraulic dam |
| 01/20/2005 | US20050013664 Fish ladder for passing dams |
| 01/06/2005 | WO2004007846A3 Fish test circuit and method for evaluation of waterway barrier fish bypass systems |
| 01/06/2005 | US20050000573 Liquid level regulation apparatus |
| 01/05/2005 | CN2668697Y Floating-body checking-repairing gate |