Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042368 | Method and apparatus for the production of a longitudinal seam welded hollow profile | Michael Brüggenbrock, Wladimir Rituper, Mohamed Tohfa | 2011-10-25 |
| 7909226 | Device for producing a longitudinally welded hollow profile using a holding-down device | Michael Brüggenbrock, Wladimir Rituper, Mohamed Tohfa | 2011-03-22 |
| 7878037 | Device for the free forming and bending of longitudinal profiles, particularly pipes, and a combined device for free forming and bending as well as draw-bending longitudinal profiles, particularly pipes | Martin Kibben, Urs Kühni, Jacob Ziswiler | 2011-02-01 |