| RE39940 |
Screen plates and methods of manufacture |
Lassi J. Halonen |
2007-12-18 |
| 7168570 |
Screen cylinder with performance boosting configuration |
— |
2007-01-30 |
| 6021905 |
Screen cylinder with reinforcing rings and method of manufacture thereof |
— |
2000-02-08 |
| 5718826 |
Screen and method of manufacture |
— |
1998-02-17 |
| 5624558 |
Method and apparatus for screening a fiber suspension |
Frank Aaltonen |
1997-04-29 |
| 5607589 |
Multiple contour screening |
— |
1997-03-04 |
| 5200072 |
Screen plates and methods of manufacture |
Lassi J. Halonen |
1993-04-06 |
| 5192438 |
Rotating element for screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the rotor |
— |
1993-03-09 |
| 5147543 |
Rotating element for a screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the cylindrical rotor |
— |
1992-09-15 |
| 4950402 |
Rotating element for a screening apparatus with a contour surface |
— |
1990-08-21 |
| 4918807 |
Screen and method of manufacture |
— |
1990-04-24 |
| 4880540 |
Pulp screening apparatus |
— |
1989-11-14 |
| 4836915 |
High flow capacity barrier type screening apparatus |
— |
1989-06-06 |
| 4776957 |
Rotating element for a screening apparatus with a contour surface |
Harry Lampenius |
1988-10-11 |
| 4676903 |
Screening apparatus |
Harry Lampenius |
1987-06-30 |
| 4264438 |
Screen drum and a method for its manufacture |
— |
1981-04-28 |