Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643912 | Method of producing a commutator of an electrical machine | Hans Deierling, Stefan Ossenkopp, Martin Schwerdtle | 2003-11-11 |
| 6474966 | Slot die for producing webs of a foamed plastic material | — | 2002-11-05 |
| 5602438 | Roll commutator for electric motors and dynamos, and method of manufacturing it | Ludwig Reisnecker, Martin Schwertle, Winfried Brettmann, Hans Deierling, Peter Franz +3 more | 1997-02-11 |
| 5490725 | Melt-sealing device for extruders for the processing of thermoplastic polymers or rubber | Ulrich Proossler, Jurgen Voigt | 1996-02-13 |
| 5089193 | Method for extruding a thermoplastic plastics material foam | Ulrich Prossler | 1992-02-18 |