Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454465 | Toothed chain with optimized chain joint and enlarged external flank angle | Andreas Bongard, Volker Hirschmann | 2013-06-04 |
| 8113975 | Chain wheel and timing chain drive for the compensation of dynamic loads | Andreas Ritz, Volker Hirschmann | 2012-02-14 |