Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896766 | Side bow conveyor chain with inner and outer chain links | Frank Mitzschke, Wolfgang Janzen, Jens Sumpf, Sven Eichhorn | 2011-03-01 |
| 6779652 | Chain link, especially of a curved-negotiating conveyor chain | Wolfram Baier, Guido Hettwer, Peter Rothfuss, Olaf Klemd, Wolfgang Janzen +1 more | 2004-08-24 |