Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8240127 | Method for the voltage-controlled performance regulation of the heating of an exhaust-gas probe | Thomas Wahl, Lothar Diehl, Stefan Rodewald, Juergen Sindel | 2012-08-14 |
| 7943025 | Sensor element for determining a physical property of a measuring gas | Christian Ohly, Joachim Graeber, Ulrich Eisele, Lothar Diehl, Thomas Seiler | 2011-05-17 |
| 7445699 | Gas sensor | Heiner Scheer, Carsten Springhorn, Hans-Joerg Renz, Frank Haag, Lothar Diehl +4 more | 2008-11-04 |
| 7117099 | Wide band lambda probe having improved starting behaviour | Lothar Diehl, Andreas Andorfer | 2006-10-03 |
| 6818111 | Measurement sensor for determining an oxygen concentration in a gas mixture | Martin Lenfers, Johann Riegel, Lothar Diehl | 2004-11-16 |
| 6811664 | Electrochemical sensor element | Martin Lenfers, Harry Braun, Lothar Diehl | 2004-11-02 |
| 6270639 | Electrochemical sensor | Martin Lenfers, Olaf Jach, Harald Neumann, Johann Riegel, Lothar Diehl | 2001-08-07 |
| 6084414 | Testing for leakage currents in planar lambda probes | Harald Neumann, Lothar Diehl | 2000-07-04 |
| 5549804 | Arrangement for detecting the oxygen content in the exhaust gas of an internal combustion engine | Gerhard Hotzel, Harald Neumann, Johann Riegel | 1996-08-27 |
| 5496461 | Electrochemical sensor for determining the oxygen content in gases | Gerhard Ho/ tzel, Harald Neumann, Johann Riegel | 1996-03-05 |
| 5494557 | Method of operating an oxygen probe having an internal reference atmosphere | Gerhard Hotzel, Harald Neumann, Johann Riegel | 1996-02-27 |