Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11786880 | Preparation method of the microcapsules for low-temperature well cementation to be used to control cement hydration heat | Chunmei Zhang, Jingxuan Cai, Jia Wang, Xiaowei Cheng, Kaiqiang Liu +7 more | 2023-10-17 |
| 11739667 | Engine valve actuating apparatus | Rujie ZHU, Zhiyang Lv, Tao Wei, Zhen J. Zhang, Chunling Zeng +1 more | 2023-08-29 |