Inventor
JOHANSEN KAI
NO8 patents
⚠️ This page may combine multiple inventors who share the name “JOHANSEN KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALCOA INC
3 patentsUS6440193B1Aug 27, 2002
Method and reactor for production of aluminum by carbothermic reduction of alumina
ALCOA INC65 citations94
US6805723B2Oct 19, 2004
Method and reactor for production of aluminum by carbothermic reduction of alumina
ALCOA INC16 citations80
US6980580B2Dec 27, 2005
Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace
ALCOA INC10 citations68