| 7513451 |
Refining element |
Pertti Purolainen, Lars Holmsten |
2009-04-07 |
| 7451946 |
Refining element |
— |
2008-11-18 |
| 7445174 |
Refining element |
— |
2008-11-04 |
| 7419112 |
Refining surface and a blade segment for a refiner |
Håkan Sjöström, Vesa Arjanmaa, Per Froberg, Petteri Vuorio, Juha-Pekka Huhtanen +1 more |
2008-09-02 |
| 7354011 |
Refining element |
— |
2008-04-08 |
| 7198216 |
Refining element |
— |
2007-04-03 |
| 7007879 |
Pair of opposed co-operating refining elements |
— |
2006-03-07 |
| 6957785 |
Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment |
— |
2005-10-25 |
| 6932290 |
Refining segment and a refining apparatus comprising a refining disc with such refining segment |
— |
2005-08-23 |
| 6602310 |
Separator device with rotor having peripheral carriers for separating solid particles from a gas stream |
— |
2003-08-05 |
| 6592062 |
Refining element |
— |
2003-07-15 |
| 6499682 |
Refining elements |
— |
2002-12-31 |
| 6299084 |
Feeding device for fibrous material |
— |
2001-10-09 |
| 6227471 |
Feeding element for fibrous material |
— |
2001-05-08 |
| 6042036 |
Refining element |
Peter Austin Bergquist, Anders Hawen |
2000-03-28 |
| 5683048 |
Refining elements |
— |
1997-11-04 |
| 5526992 |
Refining element of a disc refiner |
Anders Hawen, Christer Hedlund, Christer Nastren, Pertti Purolainen, Lennart Rohden |
1996-06-18 |
| 5439183 |
Refiner segment |
— |
1995-08-08 |
| 5362003 |
Refining segment |
— |
1994-11-08 |
| 5112443 |
Method and apparatus for the manufacture of fibre pulp |
Anders E. E. Haven |
1992-05-12 |
| 4953796 |
Refiner segment |
— |
1990-09-04 |
| 4772358 |
Method for making pulp |
— |
1988-09-20 |