Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165330 | Elimination of commutation failure of LCC HVDC system | Xiao-Ping Zhang | 2021-11-02 |
| 11085451 | High viscosity pumping system and method of using same | Woon Yung Lee, Yun Cai | 2021-08-10 |