Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909334 | Sealing arrangement and method for the production thereof | Stefan Beichl, Alfons Gail, Erhan Ücgül | 2011-03-22 |
| 7862047 | Apparatus and method for sealing off components with respect to a pressure difference reversal | Stefan Beichl, Carsten Butz | 2011-01-04 |