Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11973340 | Direct-current transmission line protection method and system based on pure current characteristics | Zexin Zhou, Huanzhang Liu, Pengfei Lv, Hong-Xi Cao, Xingguo Wang +4 more | 2024-04-30 |
| 11359466 | Perforating device for horizontal wells | Yong Liao, Zhihua Zhang, Liang Ye, Jiang Zhu, Haitao Rao +9 more | 2022-06-14 |