Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9927029 | Multilayer multi-element composite hard pvd coating on the surface of a piston ring, a piston ring and a preparation process | Yingxue Wu, Bo Zhang | 2018-03-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9927029 | Multilayer multi-element composite hard pvd coating on the surface of a piston ring, a piston ring and a preparation process | Yingxue Wu, Bo Zhang | 2018-03-27 |