Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10731706 | Box type sealing structure and conical roller bearing | Xiaoyi Shi, Hongwei Song, Zhiheng Liu, Gilson Arima, Fuqiang Cai +2 more | 2020-08-04 |
| 10302133 | Sealing structure for bearing | Hongwei Song, Ling Nan, Fuqiang Cai, Zhiheng Liu, Xin Liu | 2019-05-28 |