Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035228 | Simulation test system for gas extraction from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity | Shuxun Sang, Haiwen Wang, Xiaozhi Zhou, Shiqi Liu, Huihu Liu +7 more | 2021-06-15 |
| 10934817 | System for extracting gas from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity | Shuxun Sang, Shiqi Liu, Xiaozhi Zhou, Haiwen Wang, Huihu Liu +7 more | 2021-03-02 |