Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481754 | Roll | Jurgen Kruger, Wolfgang Wiertz, Klaus-Peter Schramm, Berthold Krämer | 2009-01-27 |
| 7174949 | Heatable calender roll | Berthold Krämer, Wolfgang Krönert, Walter Patt, Joachim Schonemann, Klaus-Peter Schramm +1 more | 2007-02-13 |
| 7018512 | Roll, in particular, calender roll | Jaxa von Schweinichen, Klaus-Peter Schramm, Wolfgang Wiertz | 2006-03-28 |
| 6278094 | Induction heating for thermal rollers | Hans-Jochen Rindfleisch, Walter Patt, Jaxa von Schweinichen | 2001-08-21 |
| 5397290 | Electrically heated calender roll | — | 1995-03-14 |
| 5370177 | Controllable-temperature roll | Gustav Fey, Klaus-Peter Schramm, Berthold Krämer, Walter Patt, Jaxa von Schweinichen | 1994-12-06 |