Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102532 | Method for controlling pressurized screening devices and pressurized screening device | Jouko Hautala, Veli-Matti Rajala | 1992-04-07 |
| 4666093 | Frame construction for a pressure grinding machine of press type | Toivo Lajunen, Pekka Haikkala | 1987-05-19 |
| 4664323 | Method of and a feeding device for feeding a wood batch into a pressure grinder | Pekka Haikkala, Raimo Pessa | 1987-05-12 |