Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968417 | Apparatus for screening a suspension of fibrous cellulose pulp | — | 1990-11-06 |
| 4941970 | Apparatus for dividing a suspension of fibrous cellulose pulp | — | 1990-07-17 |
| 4895619 | Method of delignification of cellulosic fiber material | Rune Hillstrom | 1990-01-23 |
| 4699324 | Combined screening and reject reduction | — | 1987-10-13 |
| 4680108 | Screening device | — | 1987-07-14 |
| 4339206 | Mixing apparatus for mixing a fluid fiber suspension with a treatment fluid suspension | — | 1982-07-13 |