Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237650 | Spark plug resistance element and spark plug | Hubertus Braun, Carsten Kuenzel, Corinna Vonau, Helene Kasjanow, Stefan Nufer | 2025-02-25 |
| 11527871 | Spark plug connecting element and spark plug | Carsten Kuenzel, Corinna Vonau, Hubertus Braun, Stefan Nufer | 2022-12-13 |
| 11217968 | Spark plug resistance element with increased ZrSiO4 phase fraction | Hubertus Braun, Patrick Armstrong, Stefan Nufer | 2022-01-04 |
| 10879676 | Spark plug resistance element comprising fine non-conductive particles | Stefan Nufer, Hubertus Braun, Carsten Kuenzel | 2020-12-29 |