Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060238 | Method for integrated drilling, slotting and oscillating thermal injection for coal seam gas extraction | Chang Guo, Quanle Zou, Ting Liu, Chuanjie Zhu, Jia Kong +3 more | 2018-08-28 |
| 10022668 | Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine | Qingzhao Li | 2018-07-17 |
| 9951597 | Downhole coal seam pulse detonation wave directional fracturing permeability-increasing method | Fazhi Yan, Chuanjie Zhu, Chang Guo, Quanle Zou, Ting Liu +2 more | 2018-04-24 |
| 9869168 | Method for thermal-displacement-type strengthened extraction in drill hole | Yidou Hong, Chuanjie Zhu, Hao Yao | 2018-01-16 |