Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807145 | Device and method for forming inside three-dimensional finned tube by multi-edge ploughing and extruding | Zhenping Wan, Shuiping Zou, Longsheng Lu, Yong Tang | 2020-10-20 |