Inventor · disambiguated record
Bjorn Widell
Also filed as: WIDELL BJOERN · WIDELL BJORN
12 granted patents·222 citations·filing 1974–1989
92Inventor score
Top patents by PatentIndex Score
12 records- 0194US4073642AMethod for reducing material containing iron oxidesSTORA KOPPARBERGS BERGSLAGS AB·Filed 1975·Granted Feb 14, 1978·58 cites·12 claims
- 0291US4149024AArc furnace for reducing metal oxides and method for operating such a furnaceASEA AB·Filed 1977·Granted Apr 10, 1979·29 cites·4 claims
- 0380US4094665AMethod for simultaneous combined production of electrical energy and crude ironSTORA KOPPARBERGS BERGSLAGS AB·Filed 1977·Granted Jun 13, 1978·21 cites·3 claims
- 0480US3940551AApparatus and method for the melt reduction of iron oxidesASEA AB·Filed 1974·Granted Feb 24, 1976·20 cites·7 claims
- 0576US4070181AMethod for reduction of finely divided metal oxide materialSTORA KOPPARBERGS BERGSLAGS AB·Filed 1975·Granted Jan 24, 1978·19 cites·3 claims
- 0671US4359212AApparatus for reducing finely divided iron oxide materialSTORA KOPPARBERGS BERGSLAGS AB·Filed 1980·Granted Nov 16, 1982·18 cites·5 claims
- 0771US4146390AFurnace and method for the melt reduction of iron oxideASEA AB·Filed 1977·Granted Mar 27, 1979·14 cites·1 claims
- 0864US4084958AMethod of reducing finely grained material containing iron oxides in a fluid bedSTORA KOPPARBERGS BERGSLAGS AB·Filed 1977·Granted Apr 18, 1978·12 cites·4 claims
- 0960US4080195AMelt reduction of iron oreASEA AB·Filed 1977·Granted Mar 21, 1978·8 cites·8 claims
- 1046US4135052ADc arc furnace arc controlASEA AB·Filed 1977·Granted Jan 16, 1979·8 cites·5 claims
- 1143US4177061AMethod for making iron-chromium alloysASEA AB·Filed 1978·Granted Dec 4, 1979·6 cites·4 claims
- 1241US4969158AInductive heating unitASEA BROWN BOVERI·Filed 1989·Granted Nov 6, 1990·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →