Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562458 | Filter insert | Hans Erlach, Werner Schadler | 2017-02-07 |
| 6558520 | Circuit configuration for generating a virtual ground | Stephan Bolz, Jürgen Rössler | 2003-05-06 |
| 6447660 | Circuit configuration for controlling a pump current of an exhaust probe in a motor vehicle | Stephan Bolz, Jürgen Rössler | 2002-09-10 |
| 6347277 | Method and device for calibrating a probe system | Stephan Bolz, Jürgen Rössler | 2002-02-12 |
| 6317681 | Method for monitoring the operation of sensors in an internal combustion engine, and electronic controller operating in accordance with the method | Mark Elliott, Gerhard Fischer, Thomas Haug, Stephan Bolz, Roger Rouphael | 2001-11-13 |