Issued Patents 2002
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491188 | Revolver valve for discharging a pressurized vessel in a fiber stock preparation system | — | 2002-12-10 |
| 6471825 | Method for deflocculating and chemically loading fibers in a fiber suspension with calcium carbonate | Kurt Lorenz, Oliver Heise, Werner Witek, Robert J. Matz | 2002-10-29 |
| 6458241 | Apparatus for chemically loading fibers in a fiber suspension | Oliver Heise | 2002-10-01 |
| 6451165 | Channel pulper | Robert J. Matz | 2002-09-17 |
| 6422496 | Refiner for refining a fiber suspension | — | 2002-07-23 |
| 6413365 | Method of loading a fiber suspension with calcium carbonate | Oliver Heise | 2002-07-02 |
| 6395132 | Washing system and washer for a fiber suspension | Kurt Lorenz, Robert J. Matz | 2002-05-28 |
| 6395131 | Flotation machine for a fiber suspension and method of using same | Werner Witek, Oliver Heise, Bangji Cao | 2002-05-28 |
| 6394279 | Flotation machine for a fiber suspension and method of using same | Werner Witek, Oliver Heise, Bangji Cao | 2002-05-28 |
| 6358367 | Pulping system for a paper machine | Werner Witek, Robert J. Matz | 2002-03-19 |
| 6355138 | Method of chemically loading fibers in a fiber suspension | — | 2002-03-12 |