Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534996 | Turn-up device and tire building method using turn-up device | Deying Dai, Qingyong Bu, Zhao Sun, Dan Qin | 2022-12-27 |
| 11345105 | Tire forming method | Deying Dai, Qingyong Bu, Zhao Sun, Dan Qin | 2022-05-31 |