Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8174136 | Adaptive pitch control for variable speed wind turbines | Kathryn E. Johnson | 2012-05-08 |
| 7471010 | Wind turbine tower for storing hydrogen and energy | — | 2008-12-30 |
| 6900998 | Variable-speed wind power system with improved energy capture via multilevel conversion | Robert Erickson, Osama Abdulrahman Al-Naseem | 2005-05-31 |