| Patents for E02B 9 - Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same (2,361) |
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| 09/09/2003 | CA2109933C Gravitational window shutter for hydro-pneumatic current flow harnessing system |
| 08/14/2003 | WO2003066971A1 Wave energy power plant |
| 08/13/2003 | EP1133602B1 Caisson for absorbing wave energy |
| 07/24/2003 | WO2003060242A1 Underground pipe and cable gallery which can be inspected |
| 07/03/2003 | WO2003054387A1 Method and system for regulating the level of a dam |
| 06/19/2003 | WO2003050411A1 Over-bridging device of hydroelectric power plant lake |
| 06/03/2003 | US6572306 Positioning signal or electrical transmitters in interior surfaces of subterrenean sewage or water conduits, confining with linings comprising thermosetting resins, hardening by heating |
| 05/27/2003 | US6568878 Wave energy dissipater and beach renourishing system |
| 05/15/2003 | US20030091393 Wave power machine |
| 05/07/2003 | EP1015706B1 Apparatus for the distribution of water or other liquids |
| 04/24/2003 | WO2003033824A1 Wave power generator |
| 04/17/2003 | US20030072615 Wave energy dissipater and beach renourishing system |
| 04/10/2003 | US20030066809 Dredging; recovering minerals |
| 04/10/2003 | DE20301646U1 Rainwater catchment basin emptying device, has inlet end of hose height adjustably secured to float |
| 04/09/2003 | CN1105238C Ocean wave energy extraction system and its turbine machine |
| 03/26/2003 | EP1100999B1 Method for laying data cables |
| 03/18/2003 | US6533500 Method for reducing frictional losses in tunnels |
| 02/27/2003 | US20030039512 Method & apparatus for recycling hydro power |
| 02/27/2003 | US20030037824 Enhanced fluid motion |
| 02/25/2003 | US6524028 Separating fish in a fluid stream |
| 02/19/2003 | EP1119663B1 Tubular structure |
| 02/13/2003 | WO2003012288A1 Pulsation type water raising and falling equipment |
| 02/05/2003 | CN1395658A Plant building for installation and method for operating plant building |
| 02/05/2003 | CN1100923C Method for reducing frictional losses in tunnels |
| 12/19/2002 | US20020192086 Plant building for an installation and method for operating a plant building |
| 12/12/2002 | WO2002099202A1 Hydroelectric power generating method |
| 11/27/2002 | CN1381650A Comprehensive utilization method for garbage and excessive electric power |
| 11/26/2002 | US6484758 Conduit for circulation of fluid under pressure |
| 11/21/2002 | WO2002092919A1 Systems for generating electricity using sea swell |
| 11/07/2002 | WO2002088472A1 Method for the removal of sediment from sand traps |
| 10/31/2002 | DE10120434A1 System for using water to produce electrical power, aquatic animals and plants is applied in the ocean or in the sea and makes technical use of water in utilization chain |
| 10/23/2002 | EP1250532A2 Plant building for an installation and method for operating a plant building |
| 10/10/2002 | US20020144741 Conduit for circulation of fluid under pressure |
| 10/09/2002 | CN1373258A Electric generating device using tidal range and water flow power |
| 09/19/2002 | US20020131824 Floating platform to obtain electric power from sea waves |
| 09/19/2002 | US20020131823 Tidal irrigation and electrical system (TIES) |
| 09/18/2002 | CN2511718Y Height surveying instrument for sluice gate |
| 09/17/2002 | US6450732 Caisson for absorbing wave energy |
| 09/12/2002 | WO2002070826A1 Fish safe screened water diversion apparatus |
| 09/12/2002 | US20020127060 Fish safe screened water diversion apparatus |
| 09/03/2002 | US6443653 Modular floating breakwater for the transformation of wave energy |
| 08/08/2002 | WO2002061273A1 Energy generating system |
| 08/07/2002 | EP0877861B1 Hydroelectric power generation plant |
| 08/07/2002 | CN1362556A Simple easy-to-build hydroelectric station |
| 07/31/2002 | CN1361332A Self-pressurizing control method of water conveying and diverting engineering |
| 07/17/2002 | CN2500714Y Construction flood device for through-flow machine set plant building of hydroelectric station |
| 06/19/2002 | CN1086439C Ach structure |
| 06/18/2002 | US6406621 Skimmer assembly |
| 06/06/2002 | WO2002044557A1 Hydraulic power plant |
| 06/06/2002 | US20020066269 Ocean wave energy extraction system and components thereof |
| 06/06/2002 | DE10058919A1 Strömungskraftwerk Current power plant |
| 05/29/2002 | EP1208286A1 Method for reducing frictional losses in tunnels |
| 05/29/2002 | EP1009933B1 Device for energy conversion from wave movement |
| 05/16/2002 | WO2002038951A1 Movable object type wave energy converter |
| 05/01/2002 | CN1083925C Construction method of arched structure |
| 04/17/2002 | CN2486599Y Power supply for automatic elevator by hydropower on bridge pier |
| 03/26/2002 | US6360534 Ocean wave energy extraction |
| 03/07/2002 | DE10041662A1 Device for generating electrical current from water power, consists of artificial reservoir basin separated from tidal watercourse by dividing wall with through passages with turbines |
| 02/20/2002 | CN1336465A Directly flowing dam |
| 02/06/2002 | CN1334898A Method for reducing frictional losses in tunnels |
| 02/01/2002 | CA2316137A1 The rivermain water and electric power delivery system |
| 01/02/2002 | CN1077232C Helical water inlet |
| 12/20/2001 | WO2001055560A3 Plant building for an installation and method for operating a plant building |
| 12/19/2001 | EP1163398A1 Fish protective water extraction method and apparatus |
| 12/06/2001 | DE10024022A1 Y-form storage plant to extract flow energy from water force involves guiding water onto running wheels at high pressure induced by shape of store wall |
| 11/29/2001 | WO2001090574A1 Device for exploiting hydropower |
| 11/22/2001 | US20010043839 Method of laying data cables and the like in underground pipes and pipe-cable combinations |
| 11/22/2001 | DE10003517C2 Betriebsgebäude für eine Anlage und Verfahren zum Betrieb eines Betriebsgebäudes Premises for a system and method for operating a factory building |
| 11/15/2001 | DE10021649A1 Flow regulation and hydroelectric power system has several identical hydroelectric power stations arranged in sequence in direction of water flow outside shipping channel in boundary area |
| 10/25/2001 | DE10018072A1 Construction for combined hydroelectric power generation and water treatment consists of sheet steel construction |
| 10/24/2001 | CN1073665C Arch structure constructing method |
| 10/04/2001 | WO2001073208A1 Hydroelectric power plant with penstocks installed on the bed of a river |
| 09/20/2001 | DE10011197A1 Running water power installation derives energy from running water course and involves water course accumulated by weir on upper water plane in upper water side channel |
| 09/19/2001 | EP1133602A1 Caisson for absorbing wave energy |
| 09/12/2001 | EP1131557A1 A modular floating breakwater for the transformation of wave energy |
| 08/16/2001 | DE10003517A1 Operating building, especially for power generation system guarantees safe operation at low manufacturing costs - has chamber geometry designed so that cooling liquid has high flow speed to prevent disturbing turbulences when system is operating |
| 08/14/2001 | US6274047 Assembly wherein inlet member of skimmer free floats below surface of fluid during skimming |
| 08/02/2001 | WO2001055560A2 Plant building for an installation and method for operating a plant building |
| 08/01/2001 | EP1119663A1 Tubular structure |
| 07/25/2001 | EP1117874A1 Flow modifier for submerged intake screen |
| 07/10/2001 | US6256985 Device for energy conversion from wave movement |
| 06/28/2001 | DE19947906A1 Bearer for turbines for utilizing water power has substructure with base element(s) placed on bed before and after dam with bearer construction for turbine, generator and associated units |
| 06/13/2001 | DE19958409A1 Tide, flood and oceanic wave powered electricity generator to produce electric current; has trough floating in water between posts anchored in sea-bed, which rises and sinks by waves or tide |
| 05/30/2001 | CN2432348Y Electric power generating device by using waste water |
| 05/23/2001 | EP1100999A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft |
| 05/09/2001 | CN1294647A Pressurized liquid circulation duct and method for prodn. thereof |
| 04/17/2001 | US6216733 Apparatus for the distribution of water or other liquids |
| 04/12/2001 | DE10015793A1 Deep water drainage pipe for lakes with natural outflow automatically regulates outflow rate according to level of water in balancing lake |
| 04/10/2001 | US6213684 Telescoping weir |
| 03/27/2001 | US6208037 Waterwheel-driven generating assembly |
| 03/22/2001 | WO2001020163A1 A modular floating breakwater for the transformation of wave energy |
| 03/14/2001 | EP0847462B1 Novel draining wall, method for producing same and element implementated thereby |
| 03/07/2001 | CN1286338A Method for developing waterpower resource |
| 01/17/2001 | EP1068401A1 Pressurized liquid circulation duct and method for the production thereof |
| 01/04/2001 | DE19930820A1 Water power station has a single block with an inflow pipe which is positioned according to the water level to take in the upper water with the lower water taken by water turbine wheels which drive the generators |
| 12/13/2000 | CN2410328Y Water level lifting device for water conservancy project |
| 11/23/2000 | DE19923322A1 Hydroelectric power plant with water treatment system has water intake chamber with concrete floor located behind embankment support wall with outer plant-covered stone wall |
| 11/08/2000 | EP1049872A1 Water turbine arrangement |
| 10/25/2000 | CA2300311A1 Reversible flexible wall dams (rfwd) |
| 10/11/2000 | CN2400498Y Settling device for flow pipe |