Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121791 | Main gas duct internal seal of a high-pressure turbine | Winfried-Hagen Friedl | 2006-10-17 |
| 6779967 | Device for air mass flow control | Winfried-Hagen Friedl | 2004-08-24 |