Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186726 | Suspension deaerating process | — | 1993-02-16 |
| 5133831 | Method of concentrating black liquor by evaporation | — | 1992-07-28 |
| 5048200 | Process and apparatus for dehumidifying wet air | — | 1991-09-17 |
| 4975148 | Cold blow system for batch production of pulp | — | 1990-12-04 |
| 4963231 | Method for evaporation of liquids | — | 1990-10-16 |
| 4930429 | Apparatus and process for generating steam from wet fuel | — | 1990-06-05 |
| 4925527 | Method for the recovery of turpentine and heat in a refiner pulping process | — | 1990-05-15 |
| 4888882 | Method and apparatus for drying a particulate material such as bark | — | 1989-12-26 |
| 4878441 | Apparatus and process for generating steam from wet fuel | — | 1989-11-07 |
| 4877080 | Process and apparatus for cooling a fluid | — | 1989-10-31 |
| 4864830 | Air conditioning process and apparatus | — | 1989-09-12 |
| 4860548 | Air conditioning process and apparatus therefor | — | 1989-08-29 |
| 4789428 | Method for evaporation of spent liquor | — | 1988-12-06 |
| 4755258 | Method and apparatus for deactivating spent liquor | — | 1988-07-05 |
| 4302281 | Method for producing pulp | — | 1981-11-24 |