| RE38317 |
Method and apparatus for treating filler-containing material, such as recycled fibers |
— |
2003-11-18 |
| 6605184 |
Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production |
— |
2003-08-12 |
| 5996806 |
Method and apparatus for treating filler-containing material such as recycled fibers |
— |
1999-12-07 |
| 5882475 |
Method of recovering fibers from a reject stream generated in a wastepaper treating process |
Andrew J. Kovacs |
1999-03-16 |
| 5776304 |
Method and apparatus for treating filler-containing material, such as recycled fibers |
— |
1998-07-07 |
| 5449437 |
Method for treating white water using a fiber recovery apparatus |
— |
1995-09-12 |
| 5368693 |
Apparatus for treating white water |
— |
1994-11-29 |
| 5323914 |
Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping |
Kaj Henricson, Raimo Pitkanen |
1994-06-28 |
| 5308384 |
Deaeration vessel |
Kari Kapanen, Seppo Lukkarinen, Jouni Parviainen |
1994-05-03 |
| 5267655 |
Method and apparatus for treating a gas containing aqueous fiber suspension |
Jukka Heino, Kaj Henricson, Pasi Immonen, Raimo Kohonen, Erikki Savolainen |
1993-12-07 |
| 5266198 |
Hydrocyclone with a shell mean determining tube embedded in the shell |
— |
1993-11-30 |
| 5240621 |
Method and apparatus for improving flotation separation |
Jorma Elonen, Harry Erlund, Kaj Henricson, Pasi Immonen, Raimo Kohonen +3 more |
1993-08-31 |
| 5084161 |
Method and apparatus for the removal of light material from a fiber suspension |
— |
1992-01-28 |
| 4919796 |
Method and apparatus for grading fiber suspension |
— |
1990-04-24 |
| 4671878 |
Means for clearing the blocked reject end of a vortex purifier |
— |
1987-06-09 |
| 4657678 |
Twin hydrocyclone |
Antti Kuhasalo |
1987-04-14 |
| 4608174 |
Feed and accept duct system for hydrocyclones |
Seppo K. Kokkonen, Antti Kuhasalo, Erkki Savolainen, Juha Titoff, Jorma Vento |
1986-08-26 |
| 4549964 |
Device for flushing obstructions from the reject head of a centrifugal separator |
— |
1985-10-29 |
| 4358369 |
Hydrocyclone |
Jouni Matula |
1982-11-09 |
| 4309283 |
Hydrocyclone |
Matti Lankinen, Juhani Kyytsonen |
1982-01-05 |