Inventor
HEIKKILAE RISTO M
SE7 patents
Patents
7 patentsUS4708640ANov 24, 1987
Apparatus for batch preparation and feeding into the smelting process
OUTOKUMPU OY14 citations70
US4995051AFeb 19, 1991
Smelting furnace and method for feeding material to be processed therein
OUTOKUMPU OY14 citations69
US4705474ANov 10, 1987
Method and apparatus for batch preparation and feeding into the smelting process
OUTOKUMPU OY3 citations59
US4458352AJul 3, 1984
Method and device providing mobility to a contact shoe independent of an electrode in an electric-arc furnace
OUTOKUMPU OY6 citations58
US4464764AAug 7, 1984
Device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge
OUTOKUMPU OY2 citations57
US4443878AApr 17, 1984
Method of mixing a hot furnace gas with another gas before the removal of the furnace gas from the furnace and a hood therefore
OUTOKUMPU OY1 citations47
US4622677ANov 11, 1986
Method and device for clamping the electrode contact shoes around the electrode of an electric furnace
OUTOKUMPU OY1 citations45