Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378489 | Sealing system and exhaust gas recirculation valve | Xiangguang Cao, Longsheng Zhao, Jingjing Song | 2019-08-13 |
| 10180181 | Cam gear and linear drive device comprising said cam gear | Xiangguang Cao, Longsheng Zhao, Jingjing Song, Wenjuan Ye | 2019-01-15 |