9689264 | Centrifugal fan impeller with variable shape fan blades and method of assembly | Mar 15, 13 | Jun 27, 17 | REGAL BELOIT AMERICA, INC. |
9683537 | Turbine for a hydroelectric power plant and hydroelectric power plant | Aug 31, 12 | Jun 20, 17 | WOBBEN PROPERTIES GMBH |
9631503 | Dynamic turbine system | Jan 09, 12 | Apr 25, 17 | SEA TWIRL AB |
9611607 | Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating | Apr 11, 12 | Apr 04, 17 | MJ2 TECHNOLOGIES |
9611828 | Water turbine | Oct 22, 13 | Apr 04, 17 | Not available |
9559567 | Turbine for operation in a fluid | Feb 25, 15 | Jan 31, 17 | 1564330 ONTARIO INC. |
9546639 | Hydraulic device of reversible type for the conversion of energy | Apr 13, 12 | Jan 17, 17 | Not available |
9328713 | Turbine apparatus and methods | Apr 12, 13 | May 03, 16 | Not available |
9046078 | Rotor blade drain | Mar 11, 11 | Jun 02, 15 | SENVION GMBH, KENERSYS INDIA PVT. LTD., |
9033650 | Variable blade type tidal and wind power generator with increased generation efficiency | Jan 14, 14 | May 19, 15 | Not available |
8974184 | Turbomachinery having self-articulating blades, shutter valve, partial-admission shutters, and/or variable pitch inlet nozzles | Feb 17, 12 | Mar 10, 15 | CONCEPTS NREC, LLC |
8956114 | Underwater power plant with passive control | Sep 28, 09 | Feb 17, 15 | VOITH PATENT GMBH |
8807939 | System for adjusting characteristics of a fan | Jun 15, 11 | Aug 19, 14 | GENERAL ELECTRIC COMPANY |
8794919 | Wind turbine blade with variable trailing edge | Jul 01, 11 | Aug 05, 14 | LM GLASFIBER A/S |
8770934 | Teeter mechanism for a multiple-bladed wind turbine | Dec 16, 09 | Jul 08, 14 | HAMILTON SUNDSTRAND CORPORATION |
8753088 | Propeller blade retention device | Feb 28, 08 | Jun 17, 14 | TEXTRON INNOVATIONS INC. |
8657559 | Method and device for reduction of wear in a water turbine | Mar 20, 09 | Feb 25, 14 | Dynavec AS |
8602731 | Microprocessor system for controlling rotor pitch | Jan 11, 12 | Dec 10, 13 | Not available |
8297929 | Reinforced bearing for a wind-power generator blade | Nov 13, 07 | Oct 30, 12 | GAMESA INNOVATION & TECHNOLOGY, S.L. |
8192164 | Turbine runner with reduced leakage of servo-oil | Jun 06, 05 | Jun 05, 12 | VA TECH HYDRO GMBH |