Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8262849 | Apparatus and method for manufacturing fibre mass suspension | — | 2012-09-11 |
| 7461744 | Apparatus for separating fibers from reject material | Jouko Hautala, Ismo Hourula | 2008-12-09 |
| 7097740 | Method and screen for screening at least two pulp mixtures | — | 2006-08-29 |
| 6186333 | Method and arrangement for controlling a multi-phase screening apparatus | Jouko Hautala, Juhani Valli, Jorma Petajisto | 2001-02-13 |
| 6080274 | Method for controlling a multi-phase screening apparatus | Jouko Hautala, Juhani Valli, Jorma Petajisto | 2000-06-27 |
| 5681429 | Mixing device in pulping | — | 1997-10-28 |
| 5125584 | Method and apparatus for removing impurities from paper pulp in pulpers | — | 1992-06-30 |