Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024308 | Conically tapered disc-shaped comminution element for a disc refiner | Patrick J. Bartels, Mattias Lofgren, Petri K. Savujarvi | 2000-02-15 |
| 5979809 | Refiner disc removal method and device | Patrick J. Bartels | 1999-11-09 |
| 5975438 | Refiner disc with curved refiner bars | — | 1999-11-02 |
| 5823453 | Refiner disc with curved refiner bars | — | 1998-10-20 |
| 5449122 | Extended outer ring for refiner plate | Thomas Berger, Timothy Kelly | 1995-09-12 |
| 5001431 | Clip for holding ignition wires of different sizes | Evan M. Eidsvoog, Charles J. Yurkus | 1991-03-19 |