Assignee
LTV STEEL CO INC
US·30 granted patents·426 citations·filing 1983–2001
Top patents by PatentIndex Score
30 records- 0184US6120577ATreatment of steel mill waste metal oxidesLTV STEEL CO INC·Filed 1998·Granted Sep 19, 2000·44 cites·8 claims
- 0278US6016941ASubmerged entry nozzleLTV STEEL CO INC·Filed 1998·Granted Jan 25, 2000·31 cites·3 claims
- 0377US5885328AMethod of agglomerating oil-containing steel mill wasteLTV STEEL CO INC·Filed 1996·Granted Mar 23, 1999·27 cites·22 claims
- 0475US5798001AElectrical steel with improved magnetic properties in the rolling directionLTV STEEL CO INC·Filed 1995·Granted Aug 25, 1998·20 cites·23 claims
- 0574US6250521B1Preventing air aspiration in slide gate plate throttling mechanismsLTV STEEL CO INC·Filed 2000·Granted Jun 26, 2001·15 cites·23 claims
- 0674US5865876AMultipurpose lanceLTV STEEL CO INC·Filed 1996·Granted Feb 2, 1999·33 cites·44 claims
- 0773US6231685B1Electrical steel with improved magnetic properties in the rolling directionLTV STEEL CO INC·Filed 1998·Granted May 15, 2001·16 cites·40 claims
- 0869US5203909AMethod and apparatus for slag free castingLTV STEEL CO INC·Filed 1991·Granted Apr 20, 1993·25 cites·28 claims
- 0967US5609696AProcess of making electrical steelsLTV STEEL CO INC·Filed 1995·Granted Mar 11, 1997·15 cites·23 claims
- 1064US6284388B1Steel with electrically insulating hematite layerLTV STEEL CO INC·Filed 2000·Granted Sep 4, 2001·8 cites·30 claims
- 1164US4644271AMethod and apparatus for examining a workpieceLTV STEEL CO INC·Filed 1985·Granted Feb 17, 1987·23 cites·17 claims
- 1260US5472479AMethod of making ultra-low carbon and sulfur steelLTV STEEL CO INC·Filed 1994·Granted Dec 5, 1995·21 cites·22 claims
- 1359US6217673B1Process of making electrical steelsLTV STEEL CO INC·Filed 1997·Granted Apr 17, 2001·13 cites·32 claims
- 1459US5417739AMethod of making high nitrogen content steelLTV STEEL CO INC·Filed 1993·Granted May 23, 1995·16 cites·21 claims
- 1557US6518533B1High strength steel tubingLTV STEEL CO INC·Filed 2001·Granted Feb 11, 2003·6 cites·3 claims
- 1652US6221501B1Steel with electrically insulating hematite layerLTV STEEL CO INC·Filed 1999·Granted Apr 24, 2001·10 cites·30 claims
- 1749US5584909AControlled foamy slag processLTV STEEL CO INC·Filed 1995·Granted Dec 17, 1996·9 cites·13 claims
- 1849US5067552AShrouding for top pouring of ingotsLTV STEEL CO INC·Filed 1989·Granted Nov 26, 1991·6 cites·16 claims
- 1949US4589465ATop pour shroudLTV STEEL CO INC·Filed 1983·Granted May 20, 1986·6 cites·18 claims
- 2048US5539768AElectric arc furnace electrode consumption analyzerLTV STEEL CO INC·Filed 1995·Granted Jul 23, 1996·22 cites·13 claims
- 2145US5885323AFoamy slag process using multi-circuit lanceLTV STEEL CO INC·Filed 1997·Granted Mar 23, 1999·8 cites·30 claims
- 2243US5830259APreventing skull accumulation on a steelmaking lanceLTV STEEL CO INC·Filed 1996·Granted Nov 3, 1998·8 cites·30 claims
- 2342US4751839AMethod for removing certain of the corrugations in a helically corrugated pipeLTV STEEL CO INC·Filed 1987·Granted Jun 21, 1988·9 cites·12 claims
- 2441US6158572AWater driven roller for hot strip mill sideguidesLTV STEEL CO INC·Filed 1998·Granted Dec 12, 2000·6 cites·24 claims
- 2540US5137075AContinuous casting apparatus and methodLTV STEEL CO INC·Filed 1991·Granted Aug 11, 1992·4 cites·39 claims
- 2639US6231686B1Formability of metal having a zinc layerLTV STEEL CO INC·Filed 1998·Granted May 15, 2001·15 cites·17 claims
- 2738US6068708AProcess of making electrical steels having good cleanliness and magnetic propertiesLTV STEEL CO INC·Filed 1998·Granted May 30, 2000·4 cites·24 claims
- 2831USRE35967EProcess of making electrical steelsLTV STEEL CO INC·Filed 1997·Granted Nov 24, 1998·2 cites·23 claims
- 2929US4806177AAs-hot rolled bar steelLTV STEEL CO INC·Filed 1987·Granted Feb 21, 1989·3 cites·7 claims
- 3028US5897684ABasic oxygen process with iron oxide pellet additionLTV STEEL CO INC·Filed 1997·Granted Apr 27, 1999·1 cites·3 claims
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