Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518131 | Press machine execution system | Lei Li, Zhicheng Cao, Zhifeng Liu | 2022-12-06 |
| 11332477 | Nitrogen containing heterocycle substituted benzoxazine oxazolidinone compound and preparation method and use thereof | Dongfeng Zhang, Hongyi Zhao | 2022-05-17 |
| 11214029 | Energy-saving double-motor double-station screw press | Rui Jin, Lei Li, Bo Fang, Zhifeng Liu | 2022-01-04 |