Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422518 | High solids enzyme reactor or mixer and method | Bertil Stromberg, Thomas Pschorn, Peter Mraz | 2016-08-23 |
| 8628623 | Method and process for dry discharge in a pressurized pretreatment reactor | Joseph Monroe RAWLS, Bertil Stromberg | 2014-01-14 |
| 7658818 | Method for converting a digester for use as a gas phase and hydraulic phase continuous digester | Keith Vogel, Patrick Sullivan, C. Bertil Stromberg | 2010-02-09 |
| 7455749 | Gas phase continuous digester having an inverted top separator with liquor injection | C. Bertil Stromberg, Keith Vogel, Patrick Sullivan, Brian F. Greenwood | 2008-11-25 |
| 7309401 | Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester | Keith Vogel, Patrick Sullivan, C. Bertil Stromberg | 2007-12-18 |
| 7105076 | Gas phase continuous digester having an inverted top separator with liquor injection | C. Bertil Stromberg, Keith Vogel, Patrick Sullivan, Brian F. Greenwood | 2006-09-12 |
| 6673201 | Top separator with intraseal for digester vessel in a pulp or fiber processing system | Keith Vogel, C. Bertil Stromberg | 2004-01-06 |
| 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 |
| 5690341 | Method and apparatus for the facilitating the servicing of drive-shaft assemblies for pressurized vessels | J. Robert Prough, William A. Kerpka | 1997-11-25 |
| 5205941 | Feeding equalization for sludge presses | Erwin D. Funk, John Edward Baldwin | 1993-04-27 |