Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402212 | PTC heating cell | Kurt Walz, Stefan Plewnia | 2025-08-26 |
| 11678408 | PTC heating element and electrical heating device with such a PTC heating element | Kurt Walz, Patrick Kachelhoffer | 2023-06-13 |