Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7179347 | Method for fiber stock preparation | Joerg Rheims, Oliver Heise, Klaus Doelle, Ronald Sigl | 2007-02-20 |
| 7169258 | Process and a fluffer device for treatment of a fiber stock suspension | Jorg Rheims, Klaus Doelle, Oliver Heise, Shawn Flanigan, Robert J. Matz | 2007-01-30 |
| 6881298 | Process for loading fibers with calcium carbonate in a plurality of reactors | Jorg Rheims, Klaus Doelle, Oliver Heise | 2005-04-19 |
| 6755941 | Apparatus for loading fibers with calcium carbonate | J{overscore (o)}rg Rheims, Klaus Doelle, Oliver Heise | 2004-06-29 |
| 6599390 | Process for loading fibers with calcium carbonate in a plurality of reactors | Jorg Rheims, Klaus Doelle, Oliver Heise | 2003-07-29 |
| 6537425 | Process for loading fibers with calcium carbonate | Jorg Rheims, Klaus Doelle, Oliver Heise | 2003-03-25 |
| 6524443 | Pulping system for a paper machine | Klaus Doelle, Robert J. Matz | 2003-02-25 |
| 6503466 | Apparatus and method for chemically loading fibers in a fiber suspension | Klaus Doelle, Kurt Lorenz, Oliver Heise, Robert J. Matz | 2003-01-07 |
| 6471825 | Method for deflocculating and chemically loading fibers in a fiber suspension with calcium carbonate | Klaus Doelle, Kurt Lorenz, Oliver Heise, Robert J. Matz | 2002-10-29 |
| 6395131 | Flotation machine for a fiber suspension and method of using same | Klaus Doelle, Oliver Heise, Bangji Cao | 2002-05-28 |
| 6394279 | Flotation machine for a fiber suspension and method of using same | Klaus Doelle, Oliver Heise, Bangji Cao | 2002-05-28 |
| 6358367 | Pulping system for a paper machine | Klaus Doelle, Robert J. Matz | 2002-03-19 |
| 6322664 | Method of processing recycled waste paper by separating fibers of different colors | — | 2001-11-27 |
| 5996604 | Apparatus and method for providing process water used for making or processing a fiber suspension | Klaus Doelle, Kurt Lorenz, Oliver Heise, Robert J. Matz | 1999-12-07 |
| 4704201 | Waste paper processing system | Wilfried Keck | 1987-11-03 |