Assignee
WEIRTON STEEL CORP
US·67 granted patents·1,215 citations·filing 1985–2001
Top patents by PatentIndex Score
67 records- 0188US5252019AConvenience-feature non-circular end closure with interrupted panel profilingWEIRTON STEEL CORP·Filed 1992·Granted Oct 12, 1993·37 cites·3 claims
- 0287US5014536AMethod and apparatus for drawing sheet metal can stockWEIRTON STEEL CORP·Filed 1986·Granted May 14, 1991·57 cites·20 claims
- 0386US4584859AIn-line control during draw-redraw of one-piece sheet metal can bodiesWEIRTON STEEL CORP·Filed 1985·Granted Apr 29, 1986·33 cites·6 claims
- 0485US5674633ALight-gage composite-coated flat-rolled steel manufacture and productWEIRTON STEEL CORP·Filed 1995·Granted Oct 7, 1997·50 cites·6 claims
- 0585US5038956AAbuse resistant, safety-edge, controlled-opening convenience-feature end closuresWEIRTON STEEL CORP·Filed 1988·Granted Aug 13, 1991·70 cites·4 claims
- 0683US4947579AComputer operated automatic seedling plant transplanting machineWEIRTON STEEL CORP·Filed 1988·Granted Aug 14, 1990·80 cites·34 claims
- 0783US4804106AMeasures to control opening of full-panel safety-edge, convenience-feature end closuresWEIRTON STEEL CORP·Filed 1988·Granted Feb 14, 1989·64 cites·7 claims
- 0879US5657603APreparing sheet metal and fabricating roofing shinglesWEIRTON STEEL CORP·Filed 1996·Granted Aug 19, 1997·61 cites·8 claims
- 0977US5590558ADraw-processing of can bodies for sanitary can packsWEIRTON STEEL CORP·Filed 1993·Granted Jan 7, 1997·19 cites·11 claims
- 1076US6305210B1One-piece can bodies for pressure pack beverage cansWEIRTON STEEL CORP·Filed 1996·Granted Oct 23, 2001·26 cites·5 claims
- 1176US5495654APreparing sheet metal and fabricating roofing shinglesWEIRTON STEEL CORP·Filed 1994·Granted Mar 5, 1996·58 cites·14 claims
- 1276USD312404SEnd closure for container with integral openerWEIRTON STEEL CORP·Filed 1987·Granted Nov 27, 1990·20 cites·1 claims
- 1373USD307720SContainer end closureWEIRTON STEEL CORP·Filed 1987·Granted May 8, 1990·15 cites·1 claims
- 1470US5119657AMethod for making one-piece can bodiesWEIRTON STEEL CORP·Filed 1990·Granted Jun 9, 1992·14 cites·13 claims
- 1567US4848623ADisc removal end wall structure with safety featuresWEIRTON STEEL CORP·Filed 1987·Granted Jul 18, 1989·39 cites·20 claims
- 1666US4576305ASheet metal wall panel and integral opener structureWEIRTON STEEL CORP·Filed 1985·Granted Mar 18, 1986·35 cites·20 claims
- 1765US5209099ADraw-process methods, systems and tooling for fabricating one-piece can bodiesWEIRTON STEEL CORP·Filed 1990·Granted May 11, 1993·33 cites·23 claims
- 1864USD394718SRoofing panelWEIRTON STEEL CORP·Filed 1997·Granted May 26, 1998·15 cites·1 claims
- 1964US5689992ADraw-processing of can bodies for sanitary can packsWEIRTON STEEL CORP·Filed 1996·Granted Nov 25, 1997·13 cites·4 claims
- 2063US5987951AFabricating one-piece can bodies with controlled side wall elongationWEIRTON STEEL CORP·Filed 1997·Granted Nov 23, 1999·12 cites·3 claims
- 2162USD394719SRoofing panelWEIRTON STEEL CORP·Filed 1997·Granted May 26, 1998·14 cites·1 claims
- 2260US6280596B1Electrolytic tinplating of steel substrate and apparatusWEIRTON STEEL CORP·Filed 1999·Granted Aug 28, 2001·20 cites·18 claims
- 2360USD305303SBaby food canWEIRTON STEEL CORP·Filed 1986·Granted Jan 2, 1990·8 cites·1 claims
- 2458US4875597AConvenience packagingWEIRTON STEEL CORP·Filed 1988·Granted Oct 24, 1989·26 cites·20 claims
- 2557US5683514ACoating control apparatusWEIRTON STEEL CORP·Filed 1995·Granted Nov 4, 1997·23 cites·2 claims
- 2657US5626049ADraw-process systems for fabricating one-piece can bodiesWEIRTON STEEL CORP·Filed 1995·Granted May 6, 1997·9 cites·9 claims
- 2756US5647242AFabricating one-piece can bodies with controlled side wall elongationWEIRTON STEEL CORP·Filed 1994·Granted Jul 15, 1997·9 cites·11 claims
- 2856US5413645ALight-cage composite-coated flat-rolled steel manufacture and productWEIRTON STEEL CORP·Filed 1993·Granted May 9, 1995·13 cites·19 claims
- 2956US5409130AOne-piece draw-process can bodiesWEIRTON STEEL CORP·Filed 1992·Granted Apr 25, 1995·18 cites·5 claims
- 3056US4812365AComposite-coated flat-rolled steel can stock and can productWEIRTON STEEL CORP·Filed 1986·Granted Mar 14, 1989·15 cites·9 claims
- 3156US4726208AFlat-rolled steel can stock manufactureWEIRTON STEEL CORP·Filed 1986·Granted Feb 23, 1988·16 cites·8 claims
- 3255US5830282AContinuous particle separation operationWEIRTON STEEL CORP·Filed 1997·Granted Nov 3, 1998·17 cites·13 claims
- 3355US5614266AContinuous strip coating control methodsWEIRTON STEEL CORP·Filed 1994·Granted Mar 25, 1997·14 cites·7 claims
- 3454US5692634ARigid packaging using gas-permeable membraneWEIRTON STEEL CORP·Filed 1995·Granted Dec 2, 1997·25 cites·21 claims
- 3554USD328032SEnd closure for container with integral openerWEIRTON STEEL CORP·Filed 1990·Granted Jul 21, 1992·8 cites·1 claims
- 3652US5813811AEasy-access sheet metal container structuresWEIRTON STEEL CORP·Filed 1996·Granted Sep 29, 1998·15 cites·8 claims
- 3751US5343729AFabricating one-piece can bodies with controlled side wall elongationWEIRTON STEEL CORP·Filed 1990·Granted Sep 6, 1994·17 cites·6 claims
- 3850US5887647ADecreasing contamination of molten metal prior to solidification castingWEIRTON STEEL CORP·Filed 1996·Granted Mar 30, 1999·11 cites·10 claims
- 3950US5347839ADraw-process methods, systems and tooling for fabricating one-piece can bodiesWEIRTON STEEL CORP·Filed 1993·Granted Sep 20, 1994·19 cites·6 claims
- 4047US5928487AElectrolytic plating of steel substrateWEIRTON STEEL CORP·Filed 1998·Granted Jul 27, 1999·8 cites·1 claims
- 4147US4863060AFlat-rolled steel can stock productWEIRTON STEEL CORP·Filed 1988·Granted Sep 5, 1989·11 cites·7 claims
- 4246US5941050AProtecting flat-rolled sheet metal for shipment and storageWEIRTON STEEL CORP·Filed 1997·Granted Aug 24, 1999·16 cites·7 claims
- 4344US6035689ARigid sheet metal rivet button fabrication for convenience-feature can stockWEIRTON STEEL CORP·Filed 1998·Granted Mar 14, 2000·13 cites·12 claims
- 4444US5401317ACoating control apparatusWEIRTON STEEL CORP·Filed 1992·Granted Mar 28, 1995·10 cites·5 claims
- 4544US5217134AConvenience-feature end closure for container body with non-cylindrical sidewallWEIRTON STEEL CORP·Filed 1990·Granted Jun 8, 1993·11 cites·5 claims
- 4642US5328313AConvenience-feature end closure for container body with non-cylindrical sidewallWEIRTON STEEL CORP·Filed 1992·Granted Jul 12, 1994·10 cites·4 claims
- 4742US5084358AComposite-coated flat-rolled sheet metal manufacture and productWEIRTON STEEL CORP·Filed 1989·Granted Jan 28, 1992·6 cites·15 claims
- 4838US6679273B2Surface cleansing of continuous-strip steel for hot-dip metal coating and apparatus for decreasing surface cleansing solution requirementsWEIRTON STEEL CORP·Filed 2001·Granted Jan 20, 2004·0 cites·4 claims
- 4937US5861215ALight-gage composite-coated flat-rolled steel manufacture and productWEIRTON STEEL CORP·Filed 1997·Granted Jan 19, 1999·4 cites·10 claims
- 5037US5590993AEasy-access sheet metal container structuresWEIRTON STEEL CORP·Filed 1993·Granted Jan 7, 1997·10 cites·5 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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