Seppo Untamo Harkki

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for suspension smelting of finely-grained oxide and/or su...
- Patent number 4,088,310
- Issue date May 9, 1978
- Outokumpu Oy
- Veikko H. Noponen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Suspension smelting furnace for finely-divided sulfide and/or oxidi...
- Patent number 4,027,863
- Issue date Jun 7, 1977
- Outokumpu Oy
- Olavi August Aaltonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...