Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876637 | Closure element for a vacuum seal having a friction stir welding connection | Thomas Blecha, Rudolf Gfeller | 2020-12-29 |
| 9849541 | Butt welding method and friction stir welding tool | Martin Werz, Oliver Volz | 2017-12-26 |