Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7713385 | Apparatus for treating a material web after a nip | Günter Bonk, Jochen Autrata | 2010-05-11 |
| 7287974 | Calender arrangement | Lothar Zimmerman, Eugen Schnyder | 2007-10-30 |
| 7169258 | Process and a fluffer device for treatment of a fiber stock suspension | Klaus Doelle, Oliver Heise, Werner Witek, Shawn Flanigan, Robert J. Matz | 2007-01-30 |
| 6881298 | Process for loading fibers with calcium carbonate in a plurality of reactors | Klaus Doelle, Oliver Heise, Werner Witek | 2005-04-19 |
| 6599390 | Process for loading fibers with calcium carbonate in a plurality of reactors | Klaus Doelle, Oliver Heise, Werner Witek | 2003-07-29 |
| 6537425 | Process for loading fibers with calcium carbonate | Klaus Doelle, Oliver Heise, Werner Witek | 2003-03-25 |