Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165226 | Spark plug including a multi-step insulator seat | Matthias Herzberg | 2021-11-02 |
| 10916921 | Spark plug with improved tightness | Ugur Yilmaz | 2021-02-09 |
| 10886705 | Spark plug having a center electrode with improved thermal properties | Ugur Yilmaz, Helene Kasjanow, Hermann Kersting | 2021-01-05 |