Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514656 | Combination sparkplug and combustion process sensor | Eckart Damson, Reinhard Latsch, Ernst Linder, Franz Rieger | 1985-04-30 |
| 4219399 | Internally, electrically heated electrochemical sensing element | Heiko Gruner, Franz Rieger | 1980-08-26 |
| 4212720 | Electrically heated electrochemical sensor construction, particularly to determine oxygen concentration in exhaust gases from combustion engines | Helmut Maurer, Franz Rieger, Ernst Linder | 1980-07-15 |