Inventor · disambiguated record
Frans H. Tuovinen
Also filed as: TUOVINEN FRANS H · TUOVINEN FRANS HEIKKI
17 granted patents·199 citations·filing 1974–1994
94Inventor score
Top patents by PatentIndex Score
17 records- 0185US4469493AMethod and apparatus for the purification of gases which contain solid and gaseous impuritiesOUTOKUMPU OY·Filed 1982·Granted Sep 4, 1984·66 cites·3 claims
- 0285US4211553AMethod of refining of melts by means of a pulverous solid material and/or a gasOUTOKUMPU OY·Filed 1978·Granted Jul 8, 1980·13 cites·6 claims
- 0382US4818290AMethod for utilizing slag from ferroalloy productionOUTOKUMPU OY·Filed 1987·Granted Apr 4, 1989·29 cites·6 claims
- 0473US4011290AMethod and device for dispersing a melt with a fluid jetOUTOKUMPU OY·Filed 1974·Granted Mar 8, 1977·14 cites·15 claims
- 0559US4650510AMethod and apparatus for manufacturing heat-resistant and/or fire-resistant fibre materialsOUTOKUMPU OY·Filed 1985·Granted Mar 17, 1987·13 cites·6 claims
- 0656US4946811AMethod for mixing molten iron silicate with ferroalloy slag in order to produce fire-resistant and chemically resistant fiberOUTOKUMPU OY·Filed 1989·Granted Aug 7, 1990·18 cites·5 claims
- 0753US4393029AProcess for the production of an iron-free chronium (III) compoundOUTOKUMPU OY·Filed 1981·Granted Jul 12, 1983·7 cites·4 claims
- 0849US4284665AProcess for coating an electrically nonconductive material with metalOUTOKUMPU OY·Filed 1979·Granted Aug 18, 1981·9 cites·7 claims
- 0946US4740239AProcess for exploitation of low grade oxidic and iron-bearing complex ores or concentratesOUTOKUMPU OY·Filed 1986·Granted Apr 26, 1988·6 cites·3 claims
- 1045US4313849AProcess for the production of activated carbon from a moist organic substanceOUTOKUMPU OY·Filed 1979·Granted Feb 2, 1982·6 cites·3 claims
- 1141US4304596AProcess for a sulfidizing pretreatment of the slag of pyrometallurgical processes in order to facilitate its further treatmentOUTOKUMPU OY·Filed 1980·Granted Dec 8, 1981·4 cites·5 claims
- 1236US4458352AMethod and device providing mobility to a contact shoe independent of an electrode in an electric-arc furnaceOUTOKUMPU OY·Filed 1982·Granted Jul 3, 1984·6 cites·8 claims
- 1331US5411572AMethod for utilizing smelter waste containing zinc and other valuable metalsOUTOKUMPU RESEARCH OY·Filed 1994·Granted May 2, 1995·1 cites·14 claims
- 1431US4464764ADevice for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the chargeOUTOKUMPU OY·Filed 1982·Granted Aug 7, 1984·2 cites·6 claims
- 1531US4222786AFerrochromium slag for uses requiring refractoriness and mechanical strengthOUTOKUMPU OY·Filed 1979·Granted Sep 16, 1980·3 cites·5 claims
- 1629US4443878AMethod of mixing a hot furnace gas with another gas before the removal of the furnace gas from the furnace and a hood thereforeOUTOKUMPU OY·Filed 1981·Granted Apr 17, 1984·1 cites·15 claims
- 1727US4424959ABrickwork constructionOUTOKUMPU OY·Filed 1982·Granted Jan 10, 1984·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →