Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382247 | Pressure sensor | Gunther Stecher, Kurt Spitzenberger | 1983-05-03 |
| 4377086 | Sensor system | Ernst Linder, Helmut Maurer | 1983-03-22 |
| 4369748 | Optical engine knock sensing system | Leo Steinke, Ernst Linder, Helmut Maurer, Franz Rieger | 1983-01-25 |
| 4358952 | Optical engine knock sensor | Helmut Maurer, Franz Rieger, Ernst Linder | 1982-11-16 |
| 4356628 | Method to render accessible an electrical contact region of a composite element | Karl-Hermann Friese, Gerhard Holfelder | 1982-11-02 |
| 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 | Franz Rieger, Helmut Maurer, Ernst Linder, Harald Reber, Hermann Dietz | 1982-10-26 |
| 4334974 | Electrochemical oxygen sensor, particularly for use with exhaust gases of internal combustion engines, and especially for polarographic application | Helmut Maurer, Ernst Linder, 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 | Helmut Maurer, Franz Rieger, Ernst Linder | 1982-06-08 |
| 4294679 | Flat electrochemical sensor, and method of its manufacture | Helmut Maurer, Ernst Linder, Franz Rieger, Gunther Stecher | 1981-10-13 |
| 4292158 | Oxygen sensor of the polarographic type, particularly for use with internal combustion engines | Helmut Maurer, Hermann Dietz, Karl-Hermann Friese, Wolfgang Leibfried, Gunther Stecher +1 more | 1981-09-29 |
| 4283261 | Electrochemical sensor structure to determine oxygen content in combustion exhaust gases | Helmut Maurer, Franz Rieger, Ernst Linder, Hermann Dietz, Karl-Hermann Friese +1 more | 1981-08-11 |
| 4282080 | Electrochemical sensor, particularly for oxygen determination in combustion gases | Ernst Linder, Helmut Mauer, Karl-Hermann Friese, Franz Rieger, Heinz Geier | 1981-08-04 |
| 4277323 | Electrochemical oxygen sensor, particularly for use in the exhaust system of automotive-type internal combustion engines | Helmut Maurer, Ernst Linder, Franz Rieger, Bodo Ziegler | 1981-07-07 |