Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500620 | Layer system | Dominik Zimmermann | 2016-11-22 |
| 9437676 | Layer system | Dominik Zimmermann | 2016-09-06 |
| 8669662 | Fastening device | Heinz-Peter Frerichs, Tobias Kolleth | 2014-03-11 |
| 8592875 | Semiconductor gas sensor | Heinz-Peter Frerichs, Tobias Kolleth | 2013-11-26 |
| 8242545 | Device for detection of a gas or gas mixture and method for manufacturing such a device | Heinz-Peter Frerichs, Ingo Freund | 2012-08-14 |
| 8226892 | Gas sensor | Heinz-Peter Frerichs, Christoph Senft | 2012-07-24 |
| 8056394 | Procedure for measuring the concentration of a gas | Heinz-Peter Frerichs, Hans-Günter Zimmer, Tobias Kolleth | 2011-11-15 |
| 7918123 | Gas sensor | Heinz-Peter Frerichs | 2011-04-05 |
| 7554135 | Device for detecting a gas or gas mixture | Mirko Lehmann, Heinz-Peter Frerichs | 2009-06-30 |
| 7091083 | Method for producing a capacitor | Claus Dahl, Knut Stahrenberg | 2006-08-15 |