Inventor
TRONSTAD RAGNAR
NO7 patents
⚠️ This page may combine multiple inventors who share the name “TRONSTAD RAGNAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELKEM MATERIALS
3 patentsUS6178191B1Jan 23, 2001
Method for determination of the tip position of consumable electrodes used in electric smelting furnaces
ELKEM MATERIALS4 citations50
US7918916B2Apr 5, 2011
Calcium-silicate based slag for treatment of molten steel
ELKEM MATERIALS0 citations47
US7854784B2Dec 21, 2010
Calcium-silicate based slag for treatment of molten silicon
ELKEM MATERIALS0 citations47