Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641336 | High pressure feeder rotor having conduits for pressure equalization | — | 2003-11-04 |
| 6589391 | Top separator with intraseal for digester vessel in a pulp or fiber processing system | Keith Vogel, C. Bertil Stromberg | 2003-07-08 |
| 6582554 | Continuous digester having a sectioned top separator with multiple liquor extraction ports | Kaj Henricson, C. Bertil Stromberg, Richard O. Laakso, Keith Vogel, Patrick Sullivan | 2003-06-24 |