Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415388 | Apparatus for making underground reservoir | Jianfeng Liu, Heping Xie, Yufei Wang, Ru Zhang | 2019-09-17 |
| 9850756 | Method and device for building underground storehouse by dissolving limestone with carbon dioxide | Heping Xie, Yufei Wang, Jianfeng Liu, Ru Zhang | 2017-12-26 |
| 9347301 | Pneumatic fracturing method and system for exploiting shale gas | Feng Gao, Heping Xie, Fubao Zhou, Yang Ju, Yingke Liu +3 more | 2016-05-24 |