Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Timo Hyppanen | Foster Wheeler Energia Oy | 5 |
| 2 | Erkki Kiiskila | A. Ahlstrom | 2 |
| 3 | Karl Myohanen | Ahlstrom | 1 |
| 3 | Raimo Pitkanen | A. Ahlstrom | 1 |
| 3 | Juhani Isaksson | A. Ahlstrom | 1 |
| 3 | Juha Tiensuu | A. Ahlstrom | 1 |
| 3 | Risto Ljokkoi | A. Ahlstrom | 1 |
| 3 | Karl G. Wiklund | A. Ahlstrom | 1 |
| 3 | Pekka Juusti | — | 1 |
| 3 | Pentti Lindberg | A. Ahlstrom | 1 |
| 3 | Matti J. Isaksson | A. Ahlstrom | 1 |