Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931779 | Screening apparatus and screen basket for screening pulp suspensions | — | 2011-04-26 |
| 7491296 | Multi-stage screening apparatus, screen basket and method for screening pulp suspensions | — | 2009-02-17 |
| 6000552 | Process for purification of a fiber suspension | Thomas Eriksson, Tomas Wikström | 1999-12-14 |
| 5925249 | Screening arrangement | — | 1999-07-20 |
| 5899338 | Screening apparatus for separating light impurities from pulp suspensions | — | 1999-05-04 |
| 5571383 | Method and device for transverse distribution of a flowing medium | Lennart Svensson | 1996-11-05 |
| 5466334 | Method and apparatus for mixing a treatment agent with a pulp suspension | Kjell Forslund | 1995-11-14 |
| 5160584 | High consistency sheet former | — | 1992-11-03 |
| 4964733 | Method of and means for hydrodynamic mixing | Jeffery L. Chamberlin | 1990-10-23 |
| 4861165 | Method of and means for hydrodynamic mixing | Jeffery L. Cahmberlin | 1989-08-29 |
| 4804439 | Means and method for removal of strings from waste paper | — | 1989-02-14 |
| 4783014 | Disk refiner having sliding rigid multiple disks | Philip H. Goldenberg | 1988-11-08 |
| 4294412 | Method and apparatus for controlling wood pulp grinding machines | Karl G. Bohlin, Kent A. B. Karlsson, Lars T. Nelvig | 1981-10-13 |