Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242736 | Fracturing device for extraction of coalbed methane in low permeability reservoir | Shu Tao, Dazhen Tang, Hao Xu, Song Li | 2022-02-08 |
| 11203925 | Drilling device at extracting opening for extraction of coalbed methane | Shu Tao, Dazhen Tang, Hao Xu, Song Li | 2021-12-21 |