Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10214799 | Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method | Zhenyu Han, Ming Zou, Jihai Jia, Hua Guo, Dadong Li +3 more | 2019-02-26 |
| 10196781 | Hypereutectoid steel rail and preparation method thereof | Zhenyu Han, Ming Zou, Hua Guo, Yuan Wang, Dadong Li +1 more | 2019-02-05 |