Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745605 | Plugging agent for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof | Yuping Yang, Jingping Liu, Dongyang Li, Wei Zhang, Lei Guo +1 more | 2020-08-18 |
| 10668626 | Series-parallel movable heavy-load casting robot | Chengjun Wang, Yongcun Guo, Runrun Ren, Yuzhe Shen, Yan Zheng +3 more | 2020-06-02 |
| 10662198 | Polymorphic form of compound, preparation method and use thereof | Jianwei Shen, Jin Zhang, Yonghong Gao, Zhantao Zhang, Yong Zhang | 2020-05-26 |