Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971160 | Fibresaver screen basket support | Antoine G. Abdulmassih, Donald Bryce Johnson, Brian J. Gallagher | 1999-10-26 |
| 5823355 | Fibresaver screen basket support | Antoine G. Abdulmassih, Donald Bryce Johnson, Brian J. Gallagher | 1998-10-20 |
| 5609729 | Apparatus for controlling liquid level in a knot drainer | Ian J. H. Clarke-Pounder | 1997-03-11 |
| 5497886 | Screening apparatus for papermaking pulp | Antoine G. Abdulmassih | 1996-03-12 |
| 5397469 | Junk separator for, and in combination wtih, a pulp slurry inlet chamber of a pulp handling machine | — | 1995-03-14 |
| 5341936 | Screening device for a fiber slurry, and a backwash means therefor | — | 1994-08-30 |
| 5307939 | Screening apparatus for papermaking pulp | Oscar Luthi | 1994-05-03 |
| 5209822 | Method for controlling liquid level in a knot drainer | Ian J. H. Clarke-Pounder | 1993-05-11 |
| 5143220 | Apparatus for screening to remove knots from a fluid borne slurry of fibers and knots | Donald Bryce Johnson | 1992-09-01 |
| 5096127 | Apparatus for pressurized screening of a fibrous material liquid suspension | — | 1992-03-17 |
| 4976039 | Navigation aid | John D. McAllan | 1990-12-11 |
| 4749474 | Screening apparatus | — | 1988-06-07 |
| 4222863 | Screening apparatus and method | — | 1980-09-16 |