| 8888958 |
Pressure diffuser with an annular baffle screen plate over water inlet |
Grant Bechard, Keith Vogel, Jay Sheerer, Edward James Cummings |
2014-11-18 |
| 8672588 |
Unobstructed low pressure outlet and screen grid for a high pressure feeder |
Keith Vogel |
2014-03-18 |
| 8157956 |
Cylindrical bearing for pressure diffuser and associated method |
John Weston, Keith Vogel, Grant Bechard, James Oropallo, Mark R. Wilkinson |
2012-04-17 |
| 7799173 |
Screen plates having diagonal slots with curved inlets for a digester |
Jay Sheerer |
2010-09-21 |
| 6132556 |
Method of controlling pulp digester pressure via liquor extraction |
C. Bertil Stromberg, J Robert Prough, Bruno Marcoccia, Richard O. Laakso |
2000-10-17 |
| 5824188 |
Method of controlling the pressure of a continuous digester using an extraction-dilution |
J. Robert Prough, Bruno Marcoccia, Richard O. Laakso |
1998-10-20 |
| 5575890 |
Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood |
J. Robert Prough, Bruno Marcoccia, Richard O. Laakso |
1996-11-19 |
| 5302247 |
Top circulation line cooling for a modified cook digester |
Jan T. Richardsen, Victor L. Bilodeau, Mark D. Barrett |
1994-04-12 |