Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794174 | Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement | Wei Lu, Zhen Liu, Guansheng Qi, Jinliang Li, Dongling Sun +2 more | 2020-10-06 |