Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268377 | Measurement-while-drilling method and device for obtaining coal seam gas parameter | Zhonghui Li, Jianchun Ou, Liming Qiu | 2022-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268377 | Measurement-while-drilling method and device for obtaining coal seam gas parameter | Zhonghui Li, Jianchun Ou, Liming Qiu | 2022-03-08 |