Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7448469 | Silencer | Andreas Seyler, Hans-Joachim Lowe, Joachim Von Der Hagen | 2008-11-11 |
| 7387188 | Sound absorber | Uwe Keller, Hans-Joachim Lowe, Joachim Von Der Hagen, Dietmar Metz | 2008-06-17 |
| 4482304 | Compressor of a type incorporated in an exhaust gas turbocharger | Helmut Brobeck, Hartmut Ludewig, Wolfgang Miribel | 1984-11-13 |