Assignee
KORF ENGINEERING GMBH
AT·26 granted patents·335 citations·filing 1977–1989
Top patents by PatentIndex Score
26 records- 0187US4448402AApparatus for directly making liquid pig-iron from coarse iron oreKORF ENGINEERING GMBH·Filed 1983·Granted May 15, 1984·33 cites·7 claims
- 0284US4861369AProcess for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the processKORF ENGINEERING GMBH·Filed 1987·Granted Aug 29, 1989·36 cites·12 claims
- 0381US4588437AMethod for producing molten pig iron or steel pre-products in a melt-down gasifierKORF ENGINEERING GMBH·Filed 1983·Granted May 13, 1986·27 cites·15 claims
- 0476US4673432AProcess for the production of pig ironKORF ENGINEERING GMBH·Filed 1986·Granted Jun 16, 1987·23 cites·8 claims
- 0571US4784689AProcess for producing sponge iron particles and molten pig ironKORF ENGINEERING GMBH·Filed 1986·Granted Nov 15, 1988·12 cites·21 claims
- 0669US4895593AProcess of recovering molten pig iron or steel pre-products from lumpy iron-oxide and scrap using a fluidized bedKORF ENGINEERING GMBH·Filed 1988·Granted Jan 23, 1990·16 cites·14 claims
- 0769US4543123AProcess for the direct production of sponge iron particles and liquid crude iron from iron ore in lump formKORF ENGINEERING GMBH·Filed 1983·Granted Sep 24, 1985·13 cites·24 claims
- 0868US4806154AProcess for the production of pig iron from fine ore using plasma burnerKORF ENGINEERING GMBH·Filed 1986·Granted Feb 21, 1989·16 cites·20 claims
- 0968US4605205AArrangement comprising a gasifier and a direct reduction furnaceKORF ENGINEERING GMBH·Filed 1985·Granted Aug 12, 1986·23 cites·17 claims
- 1066US4850574AApparatus for cooling and cleaning producer gas and top gasKORF ENGINEERING GMBH·Filed 1988·Granted Jul 25, 1989·12 cites·13 claims
- 1164US4542889AInstallation for the direct production of sponge iron particles and liquid crude iron from iron ore in lump formKORF ENGINEERING GMBH·Filed 1984·Granted Sep 24, 1985·10 cites·12 claims
- 1263US4854967AProcess for producing carburized sponge ironKORF ENGINEERING GMBH·Filed 1985·Granted Aug 8, 1989·11 cites·8 claims
- 1363US4846449AMelting gasifierKORF ENGINEERING GMBH·Filed 1987·Granted Jul 11, 1989·13 cites·11 claims
- 1462US4857284AProcess for removing sulphur from the waste gas of a reduction shaft furnaceKORF ENGINEERING GMBH·Filed 1988·Granted Aug 15, 1989·12 cites·11 claims
- 1556US4793857AProcess for cooling and cleaning producer gas and top gasKORF ENGINEERING GMBH·Filed 1986·Granted Dec 27, 1988·8 cites·3 claims
- 1656US4755219AProcess for producing molten pig iron or steel raw materialKORF ENGINEERING GMBH·Filed 1987·Granted Jul 5, 1988·10 cites·6 claims
- 1750US4857105AProcess for producing pig iron using coal degassing reactor to form reductantsKORF ENGINEERING GMBH·Filed 1987·Granted Aug 15, 1989·7 cites·21 claims
- 1850US4851039AProcess for the production of pig iron using cycloneKORF ENGINEERING GMBH·Filed 1988·Granted Jul 25, 1989·7 cites·19 claims
- 1950US4769211AProcess for compacting iron particles and subsequent breaking apart of the compacted iron band and apparatus for performing this processKORF ENGINEERING GMBH·Filed 1987·Granted Sep 6, 1988·6 cites·9 claims
- 2049US4955587AArrangement for recovering molten pig iron or steel pre-products from lumpy iron-oxide containing charging substancesKORF ENGINEERING GMBH·Filed 1989·Granted Sep 11, 1990·11 cites·7 claims
- 2149US4804319AProcess for compacting iron particles and subsequent breaking apart of the compacted iron bandKORF ENGINEERING GMBH·Filed 1988·Granted Feb 14, 1989·7 cites·8 claims
- 2246US4874037AApparatus for cooling a hot product gasKORF ENGINEERING GMBH·Filed 1985·Granted Oct 17, 1989·11 cites·9 claims
- 2338US4135914AProcess for the direct reduction of metallic oxidesKORF ENGINEERING GMBH·Filed 1977·Granted Jan 23, 1979·4 cites·1 claims
- 2435US4790517AApparatus for the direct reduction of sulphurous iron oresKORF ENGINEERING GMBH·Filed 1987·Granted Dec 13, 1988·3 cites·3 claims
- 2535US4735653AProcess for the direct reduction of sulphurous iron oresKORF ENGINEERING GMBH·Filed 1985·Granted Apr 5, 1988·3 cites·6 claims
- 2623US4693295ADevice for continuous castingKORF ENGINEERING GMBH·Filed 1985·Granted Sep 15, 1987·1 cites·5 claims
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