Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391866 | Surfactant mixtures for enhanced oil recovery | Ming Han, Tianping Huang | 2025-08-19 |
| 12139664 | Thermal stimuli-responsive surfactants for enhanced oil recovery | Ming Han, Tianping Huang | 2024-11-12 |
| 12049529 | Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery | Xuan Zhang, Ming Han | 2024-07-30 |
| 11697700 | Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery | Xuan Zhang, Ming Han | 2023-07-11 |
| D959807 | Arch sole | — | 2022-08-09 |
| 11350023 | Automatic focusing method and device | — | 2022-05-31 |
| 11254855 | Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof | Ming Han, Alhasan Fuseni, Dongqing Cao | 2022-02-22 |
| 10981458 | Homopolar DC electromagnetic transmission and application system thereof | — | 2021-04-20 |
| 9802848 | Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (MDI) | Hongke Zhang, Weiqi Hua, Xiaogao Liu, Zhenhua Zhao, Shuchang Sun +5 more | 2017-10-31 |
| 7893301 | Method of preparing polymethylene-polyphenyl-polyamine | Jiansheng Ding, Jianfeng Chen, Hongke Zhang, Haikui Zou, Weiqi Hua +3 more | 2011-02-22 |