Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283821 | Control method and apparatus for high-voltage, direct current first commutation failure in alternating-current fault | Ruina Zheng, Juanjuan Wang, Zhaoxin Wen, Huan LI, Wei Wei | 2025-04-22 |
| 10516257 | Voltage source converter based direct current deicer and controlling method thereof | Hong Rao, Juanjuan Wang, Shukai Xu | 2019-12-24 |
| 9972988 | Multi-functional direct current ice melting automatic switching circuit and switching method thereof | Hong Rao, Shukai Xu, Xiaolin Li | 2018-05-15 |