Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241810 | Electrostatic filter and supply air terminal | Ulf Hornquist | 2001-06-05 |
| 6090189 | Electrostatic filter and supply air terminal | Ulf Hornquist | 2000-07-18 |
| 5748666 | Method and furnace for treatment of ash | Karl-Hugo Andersson, Sven-Einar Stenkvist | 1998-05-05 |
| 5350296 | Method and device for cooling a rotary kiln | — | 1994-09-27 |