loadpatents
Patent applications and USPTO patent grants for U.S. Windpower, Inc..The latest application filed is for "speed control system for a variable speed wind turbine".
Patent | Date |
---|---|
Speed control system for a variable speed wind turbine Grant 5,289,041 - Holley February 22, 1 | 1994-02-22 |
Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation Grant 5,225,712 - Erdman July 6, 1 | 1993-07-06 |
Static reactive power compensator Grant 5,187,427 - Erdman February 16, 1 | 1993-02-16 |
Low impedance bus for power electronics Grant 5,172,310 - Deam , et al. December 15, 1 | 1992-12-15 |
Speed control system for a variable speed wind turbine Grant 5,155,375 - Holley October 13, 1 | 1992-10-13 |
Variable speed wind turbine Grant 5,083,039 - Richardson , et al. January 21, 1 | 1992-01-21 |
Windpower system Grant 4,490,093 - Chertok , et al. December 25, 1 | 1984-12-25 |
Windmill with direction-controlled feathering Grant 4,474,531 - Weiss October 2, 1 | 1984-10-02 |
Windmill support structure Grant 4,469,956 - D'Amato September 4, 1 | 1984-09-04 |
Method and apparatus for controlling windmill blade pitch Grant 4,426,192 - Chertok , et al. January 17, 1 | 1984-01-17 |
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