Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042368 | Method and apparatus for the production of a longitudinal seam welded hollow profile | Michael Brüggenbrock, Thomas Flehmig, Wladimir Rituper | 2011-10-25 |
| 7909226 | Device for producing a longitudinally welded hollow profile using a holding-down device | Michael Brüggenbrock, Thomas Flehmig, Wladimir Rituper | 2011-03-22 |