Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331459 | Ragger systems and methods for removing solid debris from pulping processes | Daniel Parenteau, Patrick McEnroe, Michael Lopane, Gary S. Williamson | 2025-06-17 |
| 8172985 | Extraction bedplate with laser or water jet cut apertures | David E. Chupka | 2012-05-08 |
| 7694902 | Self-aligning and actively compensating refiner stator plate system | John J. Egan | 2010-04-13 |
| 7628890 | Extraction bedplate with laser or water jet cut apertures | David E. Chupka | 2009-12-08 |
| 6989074 | Paper pulp refiner control system and method using active hydrostatic bearings | John J. Egan | 2006-01-24 |
| 6617720 | Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof | John J. Egan | 2003-09-09 |
| 5947394 | Paper pulp refiner control system and method | John J. Egan | 1999-09-07 |
| 5046672 | Refiner plate groove configuration | — | 1991-09-10 |