Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453498 | Method for backing up and recovering blade zero point of pitch drive system for wind turbine and pitch drive system for wind turbine | Yu He, Jian-Ming Wang, Zhi Gao | 2016-09-27 |