Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434553 | Low cost lean production bainitic steel wheel for rail transit, and manufacturing method therefor | Hai Zhao, Zheng Fang, Feng Zhang, Rongjie Deng, Manli Sun | 2022-09-06 |
| 11306377 | High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof | Zheng Fang, Feng Zhang, Chaohai Yin, Yumei Pu, Zhiyuan Cheng +1 more | 2022-04-19 |