Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291752 | Method and device for monitoring an exhaust-gas turbocharger | Rudolf Bierl, Andreas Meyer, Frank Steuber | 2012-10-23 |
| 8126154 | Circuit arrangement for the bidirectional operation of sound transducers disposed at the ends of a measuring section | Rudolf Bierl, Waldemar Fruehauf, Andreas Meyer, Frank Steuber | 2012-02-28 |
| 8047082 | Device for determining a mass flow of a first gas within an overall mixture of gases | Rudolf Bierl, Andreas Meyer, Frank Steuber | 2011-11-01 |
| 4296830 | Product provided with sound damping element | Bror L. E. Rossander, Lennart C. Ermebrant | 1981-10-27 |