Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016824 | Method and apparatus for controlling the production of thermomechanical pulp | Pertti Pietinen | 1991-05-21 |
| 5011088 | Control method for a chip refiner | — | 1991-04-30 |
| 5011090 | Method for controlling a chip refiner | — | 1991-04-30 |
| 4515318 | Method for controlling a piston fed wood grinder | — | 1985-05-07 |