| 9238188 |
Disc filter |
Rolf Oswaldson |
2016-01-19 |
| 6258282 |
Rotatable filter system for filtration of a flowing substance |
Rolf Oswaldson |
2001-07-10 |
| 6113783 |
Device in a filter sector for a rotating filter disc |
Rolf Oswaldson |
2000-09-05 |
| 6102212 |
Filter element |
— |
2000-08-15 |
| 5985159 |
Method and device for concentrating a suspension |
Rolf Oswaldsson, Lars Horlyk |
1999-11-16 |
| 5951861 |
Device for filtration and a method for conversion |
— |
1999-09-14 |
| 5935053 |
Fractionator |
Rolf Oswaldson |
1999-08-10 |
| 5806684 |
Fractionator for fractioning particulates in suspension |
Rolf Oswaldsson, Terje Engewik, Sigmund Rasmussen |
1998-09-15 |
| 5620598 |
Suction head arranged between a filtrate channel and a barometric leg of a rotating filter |
— |
1997-04-15 |
| 5509998 |
Method and apparatus for clarifying green liquor |
Rolf Oswaldson |
1996-04-23 |
| 5460733 |
Control system distinguishing filterability of medium filtered |
Sigmund Rasmussen, Lars Horlyk, Rolf Oswaldsson |
1995-10-24 |
| 5227065 |
Filter sector |
— |
1993-07-13 |
| 5227064 |
Filter for continuous filtration |
— |
1993-07-13 |
| 5211335 |
Nozzle for spray tubes |
— |
1993-05-18 |
| 5151176 |
Filter for continuous filtration |
Hans Karlsson, Per-Gustaf LARSSON |
1992-09-29 |
| 5149449 |
Method and device for filturing of suspensions |
Rolf Oswaldsson |
1992-09-22 |
| 4519910 |
Apparatus for removing a fiber layer from a rotating disc filter |
Samuel Ragnegard, Goran Sundkvist |
1985-05-28 |