Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782848 | Method in connection with a pipe grate for fluidized bed boiler and a pipe grate | — | 2004-08-31 |
| 6571746 | Method in connection with a pipe grate for fluidized bed boiler and a pipe grate | — | 2003-06-03 |
| 5966839 | Grate assembly for a fluidized bed boiler | Martti Pohja, Kari Haverinen | 1999-10-19 |
| 5855736 | Method of reducing corrosion in a power boiler of a pulp mill | Esa Pikkujamsa, Keijo Salmenoja, Kari Mäkelä | 1999-01-05 |
| 5743197 | Grate assembly for a fluidized bed boiler | Jukka Louhimo, Pentti Janka, Kari Haverinen | 1998-04-28 |
| 5070822 | Combustion unit | Seppo Ruottu, Paavo Hyoty, Pentti Janka | 1991-12-10 |