Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008974 | Piston for internal combustion engines and method for producing piston for internal combustion engines | — | 2021-05-18 |
| 9694450 | Method for manufacturing piston with re-molten reinforced combustion chamber throat | Zengjian Feng, Shiying Liu, Zihe Shang, Longchang Wang, Yanjun Li +5 more | 2017-07-04 |