Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358952 | Optical engine knock sensor | Helmut Maurer, Franz Rieger, Klaus Muller | 1982-11-16 |
| 4355618 | Method and apparatus for obtaining a control variable for the closed-loop control of the fuel-air ratio in the operating mixture of internal combustion engines | Klaus Muller, Franz Rieger, Helmut Maurer, Harald Reber, Hermann Dietz | 1982-10-26 |
| 4347113 | Oxygen content exhaust gas sensor, and method of its manufacture | Hermann Fischer, Karl-Hermann Friese, Hans-Ulrich Gruber, Wolfgang Heinemann, Gunter Knoll +5 more | 1982-08-31 |
| 4334974 | Electrochemical oxygen sensor, particularly for use with exhaust gases of internal combustion engines, and especially for polarographic application | Klaus Muller, Helmut Maurer, Franz Rieger, Karl-Hermann Friese, Harald Reber +4 more | 1982-06-15 |
| 4333439 | Apparatus for controlling the exhaust gas recirculation rate in an internal combustion engine | Klaus Muller, Helmut Maurer, Franz Rieger | 1982-06-08 |