Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481754 | Roll | Jurgen Kruger, Wolfgang Wiertz, Klaus-Peter Schramm, Ludwig Hellenthal | 2009-01-27 |
| 7174949 | Heatable calender roll | Ludwig Hellenthal, Wolfgang Krönert, Walter Patt, Joachim Schonemann, Klaus-Peter Schramm +1 more | 2007-02-13 |
| 5370177 | Controllable-temperature roll | Gustav Fey, Klaus-Peter Schramm, Ludwig Hellenthal, Walter Patt, Jaxa von Schweinichen | 1994-12-06 |