Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11435519 | Low-dispersion single-mode optical fiber | Lei Zhang, Ruichun Wang, Rui Zhang, Chao-Yu Wu, Lan Deng +2 more | 2022-09-06 |
| 11313192 | Method for lowering oil pipe in gas well without well-killing, soluble bridge plug and material preparation method thereof | Xianwen Li, Qiaorong Han, Yanming Zhang, Xu Ma, Zhanguo Ma +25 more | 2022-04-26 |
| 11258246 | Ground fault circuit interrupter with self test | Chunyong Wu, Jiwen Gong, Yang Liu, Shusen Hao | 2022-02-22 |
| 11228251 | Hybrid five-level bidirectional DC/DC converter and voltage match modulation method thereof | Lijun Hang, Anping Tong, Shenglun Chen, Chi-Huan Shao, Yuanbin He +1 more | 2022-01-18 |