Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339859 | Control system for a filtrate splitting device | John E. Leddy | 2002-01-22 |
| 6340409 | Method for multistage bleaching using gaseous reagent in the first stage with controlled gas release | — | 2002-01-22 |
| 6210532 | Means for conveying pulp having differential pressure control | — | 2001-04-03 |
| 5944952 | Method for bleaching high consistency pulp with a gaseous bleaching reagent | L. Allan Carlsmith | 1999-08-31 |
| 5942088 | Apparatus for bleaching high consistency pulp with a gaseous bleaching reagent | L. Allan Carlsmith | 1999-08-24 |
| 5295792 | Method for non-destructively compressing ozone gas | — | 1994-03-22 |