Assignee
OUTOKUMPU RESEARCH OY
FI·9 granted patents·97 citations·filing 1992–1995
Top patents by PatentIndex Score
9 records- 0170US5542361AMethod for adjusting the supply of a reaction gas to be fed into a smelting furnace, and a multipurpose burner designed for realizing the sameOUTOKUMPU RESEARCH OY·Filed 1994·Granted Aug 6, 1996·24 cites·6 claims
- 0262US5219467AMethod for concentrating ore slurries by means of intensive agitation conditioning and simultaneous flotation, and an apparatus for the sameOUTOKUMPU RESEARCH OY·Filed 1992·Granted Jun 15, 1993·22 cites·3 claims
- 0358US5199974AMethod for recovering metal contents of metallurgic waste precipitates or waste dusts by suspension smeltingOUTOKUMPU RESEARCH OY·Filed 1992·Granted Apr 6, 1993·9 cites·20 claims
- 0456US5178653AMultigas scrubberOUTOKUMPU RESEARCH OY·Filed 1992·Granted Jan 12, 1993·19 cites·14 claims
- 0550US5181955AMethod and apparatus for heating and smelting pulverous solids and for volatilizing the volatile ingredients thereof in a suspension smelting furnaceOUTOKUMPU RESEARCH OY·Filed 1992·Granted Jan 26, 1993·10 cites·20 claims
- 0647US5370369AMultipurpose burner designed for adjusting the supply of a reaction gas to be fed into a smelting furnaceOUTOKUMPU RESEARCH OY·Filed 1993·Granted Dec 6, 1994·10 cites·11 claims
- 0731US5411572AMethod for utilizing smelter waste containing zinc and other valuable metalsOUTOKUMPU RESEARCH OY·Filed 1994·Granted May 2, 1995·1 cites·14 claims
- 0827US5403380AMethod for producing easily volatile metals, such as zinc, lead, mercury and cadmium, of sulfidic raw materialsOUTOKUMPU RESEARCH OY·Filed 1993·Granted Apr 4, 1995·2 cites·11 claims
- 0921US5611989AMethod for producing easily volatile materialsOUTOKUMPU RESEARCH OY·Filed 1995·Granted Mar 18, 1997·0 cites·6 claims
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