Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428065 | Borehole wall resistance increasing apparatus for improving energy utilization rate of injection gas | Xinglong Chen, Qingxin Song, Shanyan Zhang, Zemin Ji, Yulong Pu | 2022-08-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428065 | Borehole wall resistance increasing apparatus for improving energy utilization rate of injection gas | Xinglong Chen, Qingxin Song, Shanyan Zhang, Zemin Ji, Yulong Pu | 2022-08-30 |