Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11540056 | Speaker and magnetic circuit system thereof | Xianzhen Meng, Dengwei Wang, Chuankun Ding | 2022-12-27 |
| 11434731 | In-situ methane explosion shaped charge perforating device with molecular sieve | Ning LUO, Hanliang Liang, Yunchen Suo, Xiaolong Cao, Yishuo Yuan +1 more | 2022-09-06 |