Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972489 | Sensor element | Hans-Martin Wiedenmann, Berndt Cramer, Detlef Heimann, Thomas Wahl, Lothar Diehl +3 more | 2011-07-05 |
| 6637197 | Method for controlling a rich/lean combustion mixture in a defined manner | — | 2003-10-28 |
| 6625975 | Device and method for detecting ammonia | Rainer Strohmaier | 2003-09-30 |
| 6517702 | Sensor for the analysis of exhaust gases and analysis method | — | 2003-02-11 |
| 6495027 | Electrochemical gas sensor and method for determining gas components | Thomas Brinz, Sabine Thiemann-Handler | 2002-12-17 |
| 6192738 | Method and arrangement for analyzing exhaust gas from an internal combustion engine | Dietrich Adolph, Gerhard Hoetzel, Johann Riegel | 2001-02-27 |
| 5545301 | Sensor element for the determination of concentration of gas constituent(s) | Karl-Hermann Friese, Werner Gruenwald, Claudio De La Prieta, Gerhard Schneider, Harald Neumann | 1996-08-13 |
| 4842713 | Polarographic oxygen sensor, particularly for combustion exhaust gases | — | 1989-06-27 |
| 4400260 | Shielded, heated electrochemical gas sensor | Hans-Martin Wiedenmann | 1983-08-23 |
| 4310401 | Electrochemical sensor construction especially automotive-type exhaust gas analyzing sensor | — | 1982-01-12 |