Assignee
KORF STAHL
11 granted patents·141 citations·filing 1977–1981
Top patents by PatentIndex Score
11 records- 0183US4317677AProcess for producing liquid crude iron and reduction gasKORF STAHL·Filed 1979·Granted Mar 2, 1982·28 cites·25 claims
- 0283US4197422ACooled cover for an arc furnaceKORF STAHL·Filed 1978·Granted Apr 8, 1980·21 cites·8 claims
- 0380US4119792AMelting furnaceKORF STAHL·Filed 1977·Granted Oct 10, 1978·19 cites·19 claims
- 0474US4409023AProcess for directly making liquid pig-iron from coarse iron oreKORF STAHL·Filed 1981·Granted Oct 11, 1983·17 cites·7 claims
- 0573US4392637AMetallurgical melting apparatus with a blow-nozzle or burner capable of swivelling in different directionsKORF STAHL·Filed 1981·Granted Jul 12, 1983·18 cites·12 claims
- 0665US4259539AMelting furnaceKORF STAHL·Filed 1978·Granted Mar 31, 1981·12 cites·32 claims
- 0752US4256918AElectrode for arc furnacesKORF STAHL·Filed 1978·Granted Mar 17, 1981·14 cites·18 claims
- 0840US4287933AContinuous casting method with rotary melt movementKORF STAHL·Filed 1978·Granted Sep 8, 1981·3 cites·12 claims
- 0938US4189617ALiquid-cooled electrode for electric arc furnacesKORF STAHL·Filed 1978·Granted Feb 19, 1980·6 cites·20 claims
- 1033US4279407AMetallurgical furnace in particular an electric arc furnaceKORF STAHL·Filed 1980·Granted Jul 21, 1981·2 cites·10 claims
- 1129US4170712ATiltable arc furnaceKORF STAHL·Filed 1978·Granted Oct 9, 1979·1 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →