Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103057 | Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor | — | 2000-08-15 |
| 5256255 | Displacement heating in continuous digesters | — | 1993-10-26 |
| 5080757 | Method to displace a digester from both ends | — | 1992-01-14 |
| 5059284 | Apparatus to displace a digester from both ends | — | 1991-10-22 |
| 4601787 | Method of bringing a digester up to cooking temperature | — | 1986-07-22 |
| 4578149 | Process for digesting cellulosic material with heat recovery | — | 1986-03-25 |