Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065608 | Apparatus for filtering liquids | — | 2000-05-23 |
| 5443737 | Rotary drum with radial spray jets | Roland Fjallstrom, Charles Atkeison | 1995-08-22 |
| 5330646 | Apparatus for filtering liquids | — | 1994-07-19 |
| 5316675 | Rotatable annular hollow disc for filtering liquids | — | 1994-05-31 |
| 5296152 | Apparatus for filtering suspensions and a method of operating the apparatus | — | 1994-03-22 |
| 5296143 | Apparatus for filtering liquids | — | 1994-03-22 |
| 5124029 | Method of and device for fractionating suspensions | Roland Fjallstrom | 1992-06-23 |
| 4814093 | Rotatable filter assembly and method of operating same | — | 1989-03-21 |
| 4678575 | Rotatable filter disc assembly | — | 1987-07-07 |
| 4676809 | Hydrocyclone plant | Roland Fjallstrom | 1987-06-30 |
| 4510056 | Hydrocyclone separator | Lars-Goran Rundquist | 1985-04-09 |
| 4441999 | Strainer means for pulp purification | — | 1984-04-10 |
| 4374729 | Strainer drum for pulp and the like | — | 1983-02-22 |
| 4334986 | Separator for a mixture of a suspension and coarse heavy particles | — | 1982-06-15 |
| 4333572 | Separation of pulp flow | — | 1982-06-08 |
| 4238208 | Apparatus for degassing paper stock | Hans O. G. Forsblom | 1980-12-09 |
| 4211643 | Hydrocyclone separator | Lars-Goran Rundqvist | 1980-07-08 |