Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814187 | Apparatus and method for treating a pulp slurry of waste paper | — | 1998-09-29 |
| 5443737 | Rotary drum with radial spray jets | Rune H. Frykhult, Charles Atkeison | 1995-08-22 |
| 5441157 | Method and device for separating a suspension, preferably a fibre suspension | — | 1995-08-15 |
| 5296098 | Method and device for separating a fibre suspension | — | 1994-03-22 |
| 5124029 | Method of and device for fractionating suspensions | Rune H. Frykhult | 1992-06-23 |
| 5119953 | Pulp suspension screening and fractionation apparatus | Charles Atkeison | 1992-06-09 |
| 4676809 | Hydrocyclone plant | Rune H. Frykhult | 1987-06-30 |
| 4650570 | Strainer assembly for pulp | — | 1987-03-17 |