Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161468 | Two-stage stiffness type elastomer combined device | Zhixiong Yan, Ruijin Jiang, Hong Cui, Fengwei Liu, Wenliang Liu +2 more | 2018-12-25 |
| 9919718 | Variable stiffness positioning device for railway vehicle bogie axle box | Zhixiong Yan, Ruijin Jiang, Hong Cui, Fengwei Liu, Wenliang Liu +3 more | 2018-03-20 |