Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889592 | Process and apparatus for control in burning and slaking of lime and causticizing | Birgitta S. Andersson, Malin C. Zethraeus, Jan-Erik V. Gustafsson | 1989-12-26 |
| 4690634 | Method of measuring dry substance in flue gases | Jon Lofthus | 1987-09-01 |
| 4683841 | Control of a black liquor recovery boiler | Susanne Andersson, Jan-Erik V. Gustafsson, Staffan Carlsson, Gunnar Hage | 1987-08-04 |