Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162675 | Supporting beam arrangement for supporting a flue gas duct | Tero Heino | 2021-11-02 |
| 11008911 | Scrubber for exhaust gas cleaning | Kalle Hannula, Heikki Airikkala, Jere Fabritius, Kari Mäkelä | 2021-05-18 |