Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437787 | Spark plug housing including corrosion protection on the inner side and spark plug and manufacturing method | Bernhard Gries, Christoph Roland Hoelzl, Gabriel Petersen, Herbert Noelscher, Martina Bubrin +4 more | 2022-09-06 |
| 9819156 | Spark plug having a seal made of an at least ternary alloy | Holger Krebs | 2017-11-14 |
| 9455502 | Press-in contact | Friedhelm Guenter, Marc Fischer, Michael Guyenot | 2016-09-27 |