Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174949 | Heatable calender roll | Ludwig Hellenthal, Berthold Krämer, Wolfgang Krönert, Walter Patt, Klaus-Peter Schramm +1 more | 2007-02-13 |
| 6824803 | Method of rolling oil-containing agricultural or grain products | — | 2004-11-30 |
| 4683628 | Heatable calender roller | — | 1987-08-04 |
| 4658486 | Fluid-medium-heated calender roll | — | 1987-04-21 |