Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422659 | Method and apparatus for treating a web of paper or board | Joerg Rheims | 2008-09-09 |
| 5791242 | Calender for treating both sides of a paper web | Franz Kayser, Rolf van Haag, Reinhard Wenzel | 1998-08-11 |
| 5671665 | Calender for the treatment of a paper web and process for its operation | Franz Kayser, Rolf van Haag, Reinhard Wenzel, Dieter Junk | 1997-09-30 |
| 5669295 | Calender for treating both sides of a paper web | Franz Kayser, Rolf van Haag | 1997-09-23 |
| 5651863 | Apparatus and method for treating a sheet of material | Rolf van Haag | 1997-07-29 |