Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227430 | FSW tool design for thick weld joints | Edward Litwinski, Juan Valdez | 2001-05-08 |
| 6045027 | Friction stir welding interlocking joint design and method | Edward Litwinski, Juan Valdez | 2000-04-04 |
| 5971252 | Friction stir welding process to repair voids in aluminum alloys | Edward Litwinski, Juan Valdez | 1999-10-26 |
| 5611479 | Friction stir welding total penetration technique | — | 1997-03-18 |
| 5045667 | Manual keyhole plasma arc welding system | William F. Iceland | 1991-09-03 |