Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758932 | Ballastless track system | Chunfang Lu, Youming Zhao, Cheng Jiang, Jijun Wang, Meng Wang +5 more | 2017-09-12 |
| 9222225 | Pre-stressed concrete track slab of slab-type ballast-less track | Jijun Wang, Cheng Jiang, Weibin Liu, Yong Zhao, Meng Wang +3 more | 2015-12-29 |