Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398613 | Side door bolt-free ram blowout preventer | Jianhua Tang, Shangwen Su, Dongliang Jiang, Weiheng Liao, Zhiming Qu +5 more | 2025-08-26 |
| 11922335 | Method and system for evaluating macro resilience of offshore oil well control equipment | Baoping Cai, Yonghong Liu, Yanping Zhang, Chuntan Gao, Xiaoyan Shao +9 more | 2024-03-05 |
| 11883160 | Positioning method of functional rotation center of shoulder based on rigid upper arm model | Linghua Ran, Zijian Zhou, Xin Zhang, Chaoyi Zhao, Huimin Hu +1 more | 2024-01-30 |
| 11707209 | Detecting method and positioning analysis method of human functional joint rotation center | Linghua Ran, Zijian Zhou, Xin Zhang, Chaoyi Zhao, Huimin Hu +1 more | 2023-07-25 |
| 11346200 | Method and system for guaranteeing safety of offshore oil well control equipment | Baoping Cai, Yonghong Liu, Chao Yang, Xiangdi Kong, Yi Zhao +9 more | 2022-05-31 |
| 11243509 | Method for assessing safety integrity level of offshore oil well control equipment | Baoping Cai, Yonghong Liu, Wenchao Li, Xiangdi Kong, Xiaoyan Shao +9 more | 2022-02-08 |
| 10989019 | Fully-electrically driven downhole safety valve | Baoping Cai, Yonghong Liu, Chuntan Gao, Chaoyang Sheng, Peng Liu +9 more | 2021-04-27 |