| Patents for F23B 30 - Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber (503) | |
|---|---|
| 03/1981 | |
| 03/11/1981 | EP0024844A1 Process and furnace for burning solid fuel |
| 10/1980 | |
| 10/15/1980 | EP0017492A2 Method of and burner for burning solid fuel |
| 09/1980 | |
| 09/09/1980 | US4221559 Process and apparatus for firing pellets |