Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738420 | Method for screening and a screening apparatus | — | 2020-08-11 |
| 10494763 | Processing of recycled material | — | 2019-12-03 |
| 9085851 | Pressure filter | — | 2015-07-21 |
| 8721841 | Pulper treating fiber mass | — | 2014-05-13 |
| 7461744 | Apparatus for separating fibers from reject material | Timo Vuorinen, Ismo Hourula | 2008-12-09 |
| 6988682 | Method and system for utilizing waste | — | 2006-01-24 |
| 6389765 | Corner joint | — | 2002-05-21 |
| 6267845 | Process arrangement for the short circulation in a paper or board machine | Timo Pekkarinen, Antti Suonpera, Juha Kinnunen, Mari Silantera, Lauri Verkasalo | 2001-07-31 |
| 6193180 | Arrangement in a pulp grinder | Pekka Haikkala, Heikki Liimatainen, Kari Parssinen, Simo Setala, Olli Tuovinen | 2001-02-27 |
| 6186333 | Method and arrangement for controlling a multi-phase screening apparatus | Juhani Valli, Timo Vuorinen, Jorma Petajisto | 2001-02-13 |
| 6182478 | Apparatus for cleaning a suspension, preferably a fiber mass suspension | Jukka Heimonen, Veli-Matti Rajala, Ismo Hourula | 2001-02-06 |
| 6109550 | Arrangement for providing continuous grinding in a pulp grinder | Pekka Haikkala, Kari Parssinen, Olli Tuovinen, Heikki Liimatainen, Simo Setala | 2000-08-29 |
| 6095443 | Arrangement for feeding wood in a pulp grinder | Pekka Haikkala, Heikki Liimatainen, Kari Parssinen, Simo Setala, Olli Tuovinen | 2000-08-01 |
| 6080274 | Method for controlling a multi-phase screening apparatus | Juhani Valli, Timo Vuorinen, Jorma Petajisto | 2000-06-27 |
| 5964421 | Method and arrangement for treatment of reject material | Olli Tuovinen | 1999-10-12 |
| 5622267 | Method and pressure screen for screening fibre suspension | — | 1997-04-22 |
| 5595307 | Method of making a screen cylinder, and a screen cylinder | — | 1997-01-21 |
| 5145072 | Method for screening and treating pulp | — | 1992-09-08 |
| 5128030 | Device for separating solids from suspension | — | 1992-07-07 |
| 5102532 | Method for controlling pressurized screening devices and pressurized screening device | Juhani Ahonen, Veli-Matti Rajala | 1992-04-07 |
| 5064125 | Pulper | — | 1991-11-12 |
| 5051168 | Device for screening and treating pulp | — | 1991-09-24 |
| 5041213 | Pressurized screening device | Pentti Holopainen | 1991-08-20 |
| 4963270 | Decker with partitions for filtrate fractions | Erkki Turkia | 1990-10-16 |
| 4705631 | Thickener | Esa Pikkujamsa | 1987-11-10 |