Inventor
KROGERUS HELGE J
FI5 patents
Patents
5 patentsUS4413816ANov 8, 1983
Gas-blast pipe for feeding reaction agents into metallurgical melts
OUTOKUMPU OY7 citations71
US4995051AFeb 19, 1991
Smelting furnace and method for feeding material to be processed therein
OUTOKUMPU OY14 citations69
US4211553AJul 8, 1980
Method of refining of melts by means of a pulverous solid material and/or a gas
OUTOKUMPU OY13 citations68
US4740239AApr 26, 1988
Process for exploitation of low grade oxidic and iron-bearing complex ores or concentrates
OUTOKUMPU OY6 citations60
US4222786ASep 16, 1980
Ferrochromium slag for uses requiring refractoriness and mechanical strength
OUTOKUMPU OY3 citations57