Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428065 | Borehole wall resistance increasing apparatus for improving energy utilization rate of injection gas | Qingxin Song, Zhidong Yang, Shanyan Zhang, Zemin Ji, Yulong Pu | 2022-08-30 |
| 11377941 | Gasflow distribution device, gas distributor, pipe string and method for separate-layer gas injection | Jingyao Wang, Chengming Zhang, Shitou Wang, Jiazhong Wu, Zhong Ren | 2022-07-05 |
| 11344824 | Ultrasonic microbubble generation method, apparatus and system | Hongwei Yu, Shi-Lin Li, Haishui Han, Zemin Ji | 2022-05-31 |
| 11264213 | Chemical control features in wafer process equipment | Qiwei Liang, Kien N. Chuc, Dmitry Lubomirsky, Soonam Park, Jang-Gyoo Yang +4 more | 2022-03-01 |