Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331460 | Method of replacing sodium losses in a pulp mill, a method of producing bleached cellulosic pulp, and a system | Ari Poukka | 2025-06-17 |
| 8641865 | Method and system for thin chip digester cooking | Johan Engstrom, Jussi Piira, Janne Vehmaa, Aaron Leavitt | 2014-02-04 |