Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588320 | Piston having uncoupled skirt | Xiluo Zhu | 2003-07-08 |
| 6557514 | Closed gallery monobloc piston having oil drainage groove | — | 2003-05-06 |
| 6539910 | Closed gallery piston having con rod lubrication | Carmo Ribeiro, Eduardo Matsuo | 2003-04-01 |
| 6526871 | Monobloc piston for diesel engines | Xiluo Zhu | 2003-03-04 |
| 6513477 | Closed gallery piston having pin bore lubrication | Carmo Ribeiro, Eduardo Matsuo | 2003-02-04 |