Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060238 | Method for integrated drilling, slotting and oscillating thermal injection for coal seam gas extraction | Baiquan Lin, Chang Guo, Ting Liu, Chuanjie Zhu, Jia Kong +3 more | 2018-08-28 |
| 9951597 | Downhole coal seam pulse detonation wave directional fracturing permeability-increasing method | Baiquan Lin, Fazhi Yan, Chuanjie Zhu, Chang Guo, Ting Liu +2 more | 2018-04-24 |