Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698267 | Method for fabricating high-activity electrodes for exhaust gas sensors | Hans-Martin Wiedenmann, Frank Stanglmeier | 1997-12-16 |
| 5690800 | Electrochemical measuring element having a potential-free sensor element | Frank Stanglmeier | 1997-11-25 |
| 5686654 | Measuring sensor for determining the oxygen content in gas mixtures | Werner Gruenwald | 1997-11-11 |
| 5681784 | Thermal shock resistant ceramic | — | 1997-10-28 |
| 5670032 | Electro-chemical measuring sensor with a potential-free sensor element and method for producing it | Helmut Weyl, Siegfried Nees, Hans-Martin Wiedenmann | 1997-09-23 |
| 5662786 | Electrochemical sensor | Helmut Weyl, Werner Wieland, Hans-Martin Wiedenmann | 1997-09-02 |
| 5653858 | Limit current sensor for determining the lambda value in gas mixtures | Werner Gruenwald | 1997-08-05 |
| 5630920 | Electrochemical sensor for determining the oxygen concentration in gas mixtures | Hans-Martin Wiedenmann, Frank Stanglmeier | 1997-05-20 |
| 5628848 | Process for the production of composite systems having at least two inorganic ceramic layers | Werner Gruenwald, Ulrich Eisele | 1997-05-13 |