Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882945 | Rolling conveyor with a drive assembly | Marco Willi, Hans-Peter Buttau, Peter Ludwig, Uwe Lindemann | 2011-02-08 |
| 7735425 | Conveyor system with a conveyor carriage with axially aligned track rollers | Ernst Leisner, Peter Ludwig | 2010-06-15 |