| Patents for E02B 9 - Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same (2,361) |
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| 12/02/2009 | CN101591902A Seawater impoundment and generation hydraulic engineering |
| 11/25/2009 | CN201351571Y Fan-shaped water tank ocean wave generation device |
| 11/18/2009 | EP2118482A1 Floating device for production of energy from water currents |
| 11/18/2009 | CN201347547Y Grounding net of pumped-storage power station |
| 11/18/2009 | CN101581266A Hydraulic turbine latent energy utilization and additional hydraulic turbine additional arrangement technology |
| 11/18/2009 | CN101581089A Connection interface structure of factory building and large dam and construction technology thereof |
| 11/12/2009 | WO2009135247A1 Vertical axis turbine system |
| 11/11/2009 | CN101575856A Automatic tunnel normal concrete lifting band-type trolley |
| 11/11/2009 | CN101575845A Water-filling power station |
| 11/11/2009 | CN100559024C Sea water electric field |
| 11/05/2009 | DE102008020987A1 Pump storage underground hydroelectric power station for balancing daily load in interconnections, has two tanks, where underground cavern is utilized as lower tank in soil of natural water and natural waterbodies function as upper tank |
| 11/03/2009 | US7611307 Apparatus for controlling underwater based equipment |
| 10/29/2009 | WO2009129727A1 Dam construction method utilizing refrigeration technique |
| 10/29/2009 | WO2009129560A1 Wave energy system |
| 10/29/2009 | WO2009087505A3 Placing water turbines in water flows |
| 10/29/2009 | DE102008020964A1 Modulares Unterwasserkraftwerk und Verfahren für dessen Montage Modular underwater power plant and method for its assembly |
| 10/29/2009 | DE102008019724A1 Generatorenanordnung Generator arrangement |
| 10/29/2009 | CA2722098A1 Dam construction method utilizing freezing technique |
| 10/28/2009 | CN101565963A Discharge structure of underground factory |
| 10/28/2009 | CN101565941A Pressure fluctuation elimination method of hydroelectric power generation water conduit |
| 10/22/2009 | WO2009126996A1 Blade for a water turbine |
| 10/22/2009 | WO2009126995A1 Central axis water turbine |
| 10/22/2009 | DE102008019504A1 Power station with pumping reservoir has storage reservoir with a higher and underlying water-table linked via a water pipe and motor generators each coupled to a pumping turbine and fitted in underlying areas |
| 10/22/2009 | DE102008018998A1 Device for conducting water from reservoir to fluidic turbines in water power plant, has fluidic turbines arranged adjacent to each other, where each turbine is in lower region of turbine-down pipe and length of pipes is equally large |
| 10/22/2009 | CA2724702A1 Central axis water turbine with rearwardly raked/tilted blades |
| 10/22/2009 | CA2724693A1 Blade for a water turbine |
| 10/21/2009 | CN201330388Y Pumped storage power station buried steel bifurcated pipe and wall rock union forced structure |
| 10/21/2009 | CN101560941A Apparatus for hydroelectric power production expansion |
| 10/21/2009 | CN101560826A Elevation type tail water overhauling platform and manufacturing method and application thereof |
| 10/21/2009 | CN100552147C Method for rebuilding diversion tunnel to jet flow internal energy dissipating spillway tunnel |
| 10/15/2009 | WO2009124344A1 System and method for deploying and retrieving a wave energy converter |
| 10/15/2009 | DE102008052605A1 Liquid guiding device for autonomous hydrostatic power station, has lockable flow connections extending downstream to lower discharging bends to be attached to bends as bypass to turbines attached at turbine downpipes, respectively |
| 10/15/2009 | DE102008016839A1 Power-optimized closed wave energy converter for transformation of kinetic energy of sea waves into electric energy, consists of tubular central part with turbines with connected generators |
| 10/15/2009 | CA2721139A1 System and method for deploying and retrieving a wave energy converter |
| 10/14/2009 | CN201326166Y Inflatable sealing adhesive tape of nuclear reactor buildings water gate |
| 10/07/2009 | EP1456533B1 Method and system for regulating the level of a dam |
| 10/07/2009 | CN201321610Y Water-filling force-increasing device for small-opening plane gate |
| 10/07/2009 | CN101550688A Water autorotation water power station |
| 10/07/2009 | CN100547174C Prefabricated formwork of concrete flow passage gradual change rounded corner segment top board construction and construction process thereof |
| 09/23/2009 | CN201314041Y Water distributor downstream side inner ring and outer ring mounting and locating rack for extra-large bulb-type tubular-turbine hydraulic generator set |
| 09/23/2009 | CN101538843A Device and method for generating electricity with sea water in coasts |
| 09/17/2009 | WO2009111861A1 Submerged generation and storage system (subgenstor) |
| 09/09/2009 | EP2097640A1 Bouyant actuator |
| 09/09/2009 | CN101525875A Reinforced concrete bifurcated pipe structure under action of high pressure water and construction method |
| 09/08/2009 | US7585131 Wave power station |
| 09/02/2009 | CN101520018A Multistage water circulation generating equipment |
| 09/01/2009 | US7581901 Wave energy converter |
| 08/26/2009 | CN201297229Y Secondary power generation system with an aqueduct for collecting tail flow and leakage flow of a hydropower station |
| 08/26/2009 | CN100532830C Energy generator powered by tidal currents |
| 08/25/2009 | CA2655365A1 Method and apparatus for converting energy in a moving fluid mass to rotational energy driving a transmission |
| 08/20/2009 | DE202009005842U1 Bewegungsgenerator Motion generator |
| 08/20/2009 | DE102008009453A1 Hydroelectric power station for generating electricity from sea, has pipes and water tank, whose volumes are measured such that station is permanently supplied with water and operated during eddy and flood tides and in intermediate time |
| 08/20/2009 | DE102008007787A1 Wasserfassung zur Triebwasserentnahme aus Fließgewässern für kleinere Ausleitungswasserkraftwerke im Mittel- und Hochdruckbereich Water intake to the engine water extraction from rivers for smaller Ausleitungswasserkraftwerke in the medium and high pressure area |
| 08/20/2009 | DE102005028300B4 Verfahren zur Erzeugung von Wärme mit einer Wärmepumpenanlage auf einem Wasserkraftwerk bzw. Wasserkraftwerksgelände Process for the production of heat with a heat pump system to a hydroelectric plant and hydroelectric power plant site |
| 08/19/2009 | EP1467030B1 Underground pipe and cable gallery which can be inspected |
| 08/19/2009 | CN101512073A Fish way of turbine structure and gate structure for tidal power plant |
| 08/19/2009 | CN101512072A Turbine structure and gate structure having flexible joint and inside stuffing for tidal power plant |
| 08/13/2009 | US20090202303 Enhanced wave power generators |
| 08/13/2009 | DE102008008775A1 Capillary power station for producing electricity, has special absorber discharging fluid to reached level, where fluid is conveyed to desired storage level using capillary effect of capillary material |
| 08/12/2009 | EP2088248A2 Water catchment for removing works water from flowing bodies of water for smaller medium and high pressure diversion hydraulic power plants |
| 08/11/2009 | CA2398351C Operations building for a plant, and method of operating an operations building |
| 08/05/2009 | EP1689937A4 Water filtration system having removable filter panels |
| 08/05/2009 | CN201284652Y Tunnel structure shared by construction traffic and flood draining passage |
| 08/05/2009 | CN101501277A Adjustable weir for hydroelectric dam installations |
| 07/23/2009 | US20090184064 Scalable immersed-filtration method and apparatus |
| 07/22/2009 | CN100516372C Installation method of axle extend through flow type hydraulic turbine set |
| 07/16/2009 | CA2704708A1 Placing water turbines in water flows |
| 07/08/2009 | EP1534896B1 Device for securing an underwater device on a seabed |
| 06/25/2009 | WO2009076714A1 Apparatus for extraction of energy from wave motion |
| 06/25/2009 | WO2009076704A1 Apparatus for power generation using wave and wind energy |
| 06/25/2009 | WO2009044161A3 Underwater foundation |
| 06/25/2009 | US20090162144 Tidal Flow Power Generation |
| 06/18/2009 | WO2009073915A1 Improvements to wave energy converter |
| 06/18/2009 | DE102007056772A1 Pumped storage-underground hydroelectric power station for use as storage system for compensating daily load in mixed network, has upper reservoir and lower reservoir for receiving liquid, where underground cavern is used as lower reservoir |
| 06/18/2009 | DE102007055812A1 Hydro-electric power plant, has main circuit, in which coolant circulates and main heat-exchanger is integrated, where circuit is arranged in supply in discharge lines and another heat exchanger is integrated into circuit |
| 06/18/2009 | CA2725137A1 Improvements to wave energy converter |
| 06/11/2009 | WO2009070853A1 A pumping apparatus |
| 06/10/2009 | CN101451352A Reduced-form paddle wheel weir hydraulic power plant |
| 06/04/2009 | WO2008126103A3 Transformation of water waves into electrical energy |
| 06/03/2009 | CN201250399Y Dual differential effect surge chamber |
| 06/03/2009 | CN100494672C Method and device for extracting energy from flowing fluids using diffuser |
| 05/28/2009 | WO2009065188A1 System for extracting power from water flow |
| 05/28/2009 | WO2009065178A1 Floating sea wave power-generating plant |
| 05/27/2009 | CN201246262Y Dam water outlet water mill type continuous electric generating set |
| 05/27/2009 | CN101440773A Combined type water energy electric generating apparatus |
| 05/27/2009 | CN101440615A Super large water guide mechanism downstream inner and external rings installation locating rack of bulb tubular turbine-generator |
| 05/27/2009 | CN100491719C Novel tidal power generation method |
| 05/27/2009 | CN100491647C Conveyer way of self-discharging sand |
| 05/22/2009 | WO2009064328A1 Water wave-based energy transfer system |
| 05/22/2009 | WO2009062362A1 Tidal power station and method of power generation using the same |
| 05/20/2009 | CN201241785Y High-efficiency regeneration water energy electric generating apparatus |
| 05/13/2009 | CN201236766Y Full-automatic ocean flow-measurement hydraulic large-scale power generation station |
| 05/13/2009 | CN101429919A River hydraulic power plant |
| 05/13/2009 | CN101429918A Reproducible hydraulic power plant |
| 05/07/2009 | WO2008072241A3 System for generating energy from sea waves |
| 05/06/2009 | CN201232602Y Slope channel suspension type hydroelectric installation |
| 04/30/2009 | US20090110485 Waste water electrical power generating system with storage system and methods for use therewith |
| 04/30/2009 | DE102008003538A1 Mechanisches Gezeitenhub Kraftwerk Mechanical tidal power plant |
| 04/29/2009 | CN101418779A Wind energy water-storing electric power plant |
| 04/29/2009 | CN101418563A Installation method of long drilled shaft and major diameter penstock in hydraulic and hydroelectric engineering |