Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767450 | Sand control screen for heavy oil thermal recovery | Huian Yi, Boren Li, Zhenxiang WANG, Qiansheng ZHUANG, Shanyin Chen +4 more | 2020-09-08 |
| 9745809 | Liner hanger top packer | Huian Yi, Bingzhou Tian, Shanyin Chen, Baisong Ding, Zhien Zan +4 more | 2017-08-29 |