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Forward Citations = 936

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11 inventors (with patents filed for the assignee):

William L Erdman (4 out of 30 patents)

Allan Chertok (2 out of 12 patents)

William E Holley (2 out of 16 patents)

4. Robert D Richardson (1 out of 10 patents)

5. David Deam (1 out of 12 patents)

6. John Gjertsen, Sr (1 out of 1 patent)

7. Louis Manfredi (1 out of 1 patent)

8. Herbert G Weiss (1 out of 1 patent)

9. Richard D'Amato (1 out of 1 patent)

10. Joel Donahue (1 out of 1 patent)

11. William Widnall (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5289041 - Speed control system for a variable speed wind turbine (1994-02-22),

2. 5225712 - Variable speed wind turbine with reduced power fluctuation and a static (1993-07-06),

3. 5187427 - Static reactive power compensator (1993-02-16),

4. 5172310 - Low impedance bus for power electronics (1992-12-15),

5. 5155375 - Speed control system for a variable speed wind turbine (1992-10-13),

6. 5083039 - Variable speed wind turbine (1992-01-21),

7. 4490093 - Windpower system (1984-12-25),

8. 4474531 - Windmill with direction-controlled feathering (1984-10-02),

9. 4469956 - Windmill support structure (1984-09-04),

10. 4426192 - Method and apparatus for controlling windmill blade pitch (1984-01-17),

U.S. Windpower, Inc. is a leading renewable energy company specializing in the development, construction, and operation of wind farms. With a strong commitment to sustainability and environmental stewardship, U.S. Windpower is dedicated to providing clean, reliable energy solutions for a greener future.

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USPTO Data Jan 1 1976 - Dec 2 2025

10 Patents

#29 in Livermore, CA

#6,875 in California

#28,925 in US

#54,204 in the World

Livermore, CA, United States of America

U.S. Windpower, Inc.