Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11243509 | Method for assessing safety integrity level of offshore oil well control equipment | Baoping Cai, Yonghong Liu, Wenchao Li, Xiangdi Kong, Hongqi Xu +9 more | 2022-02-08 |