Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970945 | Hole protection system and method for coal seam slotting and fracturing combined drainage | Xiaoyan Sun, Quanle Zou, Qican RAN, Peimiao SANG, Jinyan LIANG +1 more | 2024-04-30 |
| D931480 | Hand warmer | — | 2021-09-21 |