Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012695 | Double-disc refiner | Karl Lönngren | 2024-06-18 |
| 11701665 | Refiner for refining lignocellulosic material and refining segments for such a refiner | Christer Hedlund, Karl Lönngren | 2023-07-18 |