Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549804 | Arrangement for detecting the oxygen content in the exhaust gas of an internal combustion engine | Harald Neumann, Walter Strassner, Johann Riegel | 1996-08-27 |
| 5524472 | Evaluating arrangement for the signal of an oxygen probe | — | 1996-06-11 |
| 5494557 | Method of operating an oxygen probe having an internal reference atmosphere | Harald Neumann, Walter Strassner, Johann Riegel | 1996-02-27 |
| 5391284 | Arrangement for determining the lambda value of an air/fuel mixture | — | 1995-02-21 |
| 4710848 | Solid state cell | Gerhard-Ludwig Schlechtriemen, Werner Weppner | 1987-12-01 |