Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8820044 | Device for fixing an end-side of a chain | Franz Joseph Holschbach, Ralf Steup, Bernhard Bleser, Herbert Rapp, Ulrich Gerlach +2 more | 2014-09-02 |
| 7766551 | Rotor block | Gregor Jansen, Thomas Düllmann, Rainer Woyck, Winfried Gievers, Hans-Hermann Osthoff | 2010-08-03 |
| 6964409 | Chain block | Erik Appel, Ralf Eising, Jurgen Heun, Oliver Moll, Klaus Wissing +2 more | 2005-11-15 |