Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381304 | Method and system for threading a running paper web | Sylvain Demers, Wolfgang Drefs | 2008-06-03 |
| 7117775 | Method and apparatus for transferring a paper web | — | 2006-10-10 |
| 7089839 | Method and apparatus for transferring a paper web | — | 2006-08-15 |
| 7005036 | Method and apparatus for the transferring of a flexible material web | Rudolf Beisswanger, Wolfgang Drefs, Sylvain Demers | 2006-02-28 |
| 6994773 | Method and apparatus for the transferring of a flexible material web | Rudolf Beisswanger, Wolfgang Drefs, Sylvain Demers | 2006-02-07 |
| 6494992 | Vacuum conveyor | Leif Mohrsen, George Kutak-Petrik, Wolfgang Drefs | 2002-12-17 |
| 6454903 | Method and apparatus for the transfer of a lead strip of a paper web | Leif Mohrsen | 2002-09-24 |
| 6405914 | Vacuum conveyor | George Kutak-Petrik | 2002-06-18 |
| 6387220 | Vacuum conveyor | Leif Mohrsen, George Kutak-Petrik, Wolfgang Drefs | 2002-05-14 |