Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292012 | Oxidation protection layer for engine pistons made of steel or an iron-based alloy | MARGRIT DANNENFELDT, Wolfram Cromme | 2025-05-06 |
| 9441182 | Wear-resistant antifriction lacquer for coating engine pistons | Christian Jung | 2016-09-13 |