Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404578 | Piston ring with chromium solid particle wear-prevention layer and corrosion-resistant flank surface | Christian Herbst-Dederichs, Waldemar Urbatzka, Peter Esser | 2016-08-02 |
| 8337687 | Structured chrome solid particle layer and method for the production thereof | Rudolf Linde | 2012-12-25 |