Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447490 | Piston ring | Steffen Hoppe, Christiane Bauer, Ralf Lammers | 2016-09-20 |
| 9388900 | Method for producing a piston ring having embedded particles | Steffan Hoppe, Marcus Kennedy, Michael Zinnabold, Robert R. Aharonov | 2016-07-12 |