Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428065 | Borehole wall resistance increasing apparatus for improving energy utilization rate of injection gas | Xinglong Chen, Qingxin Song, Zhidong Yang, Shanyan Zhang, Yulong Pu | 2022-08-30 |
| 11344824 | Ultrasonic microbubble generation method, apparatus and system | Xinglong Chen, Hongwei Yu, Shi-Lin Li, Haishui Han | 2022-05-31 |