Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805830 | Method for producing a sensor element | Theodor Graser, Olaf Jach, Hans Renz, Harald Neumann | 2004-10-19 |
| 6613206 | Gas sensor | Helmut Weyl, Hans-Martin Wiedenmann, Theodor Graser, Karl-Heinz Effenberger, Clemens Simon | 2003-09-02 |
| 6299805 | Boron nitride sealing element | Karl-Hermann Friese, Helmut Weyl | 2001-10-09 |
| 6096181 | Sealing element for a sensor | Karl-Hermann Friese, Helmut Weyl, Hans-Martin Wiedenmann | 2000-08-01 |
| 6018982 | Gas-permeable connecting lead for a probe | Karl-Hermann Friese, Helmut Weyl | 2000-02-01 |
| 5846391 | Seal for a sensor element of a gas sensor | Karl-Hermann Friese, Helmut Weyl, Hans-Martin Wiedenmann | 1998-12-08 |
| 5795454 | Seal for a sensor element of a gas sensor | Karl-Hermann Friese, Helmut Weyl, Romuald Fries, Hans-Martin Wiedenmann | 1998-08-18 |