Inventor · disambiguated record
Kai Johansen
Also filed as: JOHANSEN KAI
8 granted patents·1 pending application·104 citations·filing 2001–2014
85Inventor score
Top patents by PatentIndex Score
9 records- 0195US6440193B1Method and reactor for production of aluminum by carbothermic reduction of aluminaALCOA INC·Filed 2001·Granted Aug 27, 2002·65 cites·16 claims
- 0283US6805723B2Method and reactor for production of aluminum by carbothermic reduction of aluminaALCOA INC·Filed 2003·Granted Oct 19, 2004·16 cites·20 claims
- 0376US7901561B2Method for electrolytic production and refining of metalsELKEM AS·Filed 2007·Granted Mar 8, 2011·6 cites·44 claims
- 0468US6811677B2Electrolytic cell for the production of aluminum and a method for maintaining a crust on a sidewall and for recovering electricityELKEM MATERIALS·Filed 2001·Granted Nov 2, 2004·6 cites·22 claims
- 0567US9388481B2High strength, oxidation and wear resistant titanium-silicon based alloyELKEM AS·Filed 2014·Granted Jul 12, 2016·0 cites·6 claims
- 0660US6980580B2Electrode arrangement as substitute bottom for an electrothermic slag smelting furnaceALCOA INC·Filed 2003·Granted Dec 27, 2005·10 cites·8 claims
- 0746US2006013721A1High strength, oxidation and wear resistant titanium-silicon base alloys and the use thereofELKEM ASA NORWEIGAN CORP·Filed 2004·Application pending·0 cites
- 0845US9435052B2Arrangement for manufacturing crystalline silicon ingotsVLADIMIROV EGOR·Filed 2012·Granted Sep 6, 2016·1 cites·23 claims
- 0943US7504010B2Anode for electrolysis of aluminumELKEM AS·Filed 2006·Granted Mar 17, 2009·0 cites·20 claims
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