Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374390 | Process for producing a layer system for gas sensors | — | 1994-12-20 |
| 5368713 | Laminated system for gas sensors and process for producing it | Hans-Martin Wiedenmann, Eberhard Goehring | 1994-11-29 |
| 5334350 | Resistance probe for determining gas compositions and method of producing it | Werner Gruenwald, Hans-Martin Wiedenmann, Gerhard Hoetzel | 1994-08-02 |
| 5314604 | Sensor element for limit current sensors to determine the .lambda.-value of gas mixtures | Werner Gruenwald, Hans-Martin Wiedenmann | 1994-05-24 |
| 5310575 | Method of making a porous ceramic protective layer on an electrode of an electrochemical sensor for exposure to hot gas | Hans-Martin Wiedenmann, Eva Soll | 1994-05-10 |