Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9004493 | Seal arrangement and hinge of a chain with the seal arrangement | Hans-Joachim vom Stein, Wolfgang Korte | 2015-04-14 |
| 8485926 | Sealing arrangement and link of a chain with said sealing arrangement | Hans-Joachim vom Stein, Wolfgang Korte | 2013-07-16 |