Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691882 | Handling machine for the combined handling of containers and bulk materials | Manfred Beyer, Kurt Hartmann | 2004-02-17 |
| 6648571 | Mobile handling apparatus for loading and unloading ships in docks | Hermann Franzen, Joachim Kroll | 2003-11-18 |
| 5082128 | Crane having a multi-section boom | Hermann Franzen, Walter Köllner, Joachim Kroll | 1992-01-21 |