Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39208 | Method of treating material in a continuous digester | Jay Sheerer, Joseph R. Phillips, Jerry R. Johanson | 2006-08-01 |
| 6375796 | Method of treating material in a continuous digester | Jay Sheerer, Joseph R. Phillips, Jerry R. Johanson | 2002-04-23 |
| 6129816 | Tapered screen assembly for a cellulose pulp digester | Jay Sheerer, Joseph R. Phillips, Jerry R. Johanson | 2000-10-10 |
| 5617975 | Chip feed system | Jerry R. Johanson, Victor L. Bilodeau, Mark D. Barrett | 1997-04-08 |
| 5567279 | Variable stage pressure diffuser | Joseph R. Phillips, John Weston, Victor L. Bilodeau, Ronald Bain, Mark D. Barrett +1 more | 1996-10-22 |