Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10843571 | Repairable sliding plate of pantograph of electric locomotive and method for making the same | Guozheng Ma, Yiwen Wang, Pengfei He, Shuying Chen, Ming Liu +3 more | 2020-11-24 |
| 10752983 | System and process for remanufacturing waste cylinder assembly of aircraft piston engine | Guozheng Ma, Pengfei He, Shuying Chen, Fajun Ding, Yiwen Wang +3 more | 2020-08-25 |
| 10682682 | Device for performing strengthening treatment on tooth root of gear | Gang Wang, Zhiguo Xing | 2020-06-16 |