Assignee
STELCO INC
CA·32 granted patents·1 pending application·533 citations·filing 1976–2007
Top patents by PatentIndex Score
33 records- 0188US5968320ANon-recovery coke oven gas combustion systemSTELCO INC·Filed 1997·Granted Oct 19, 1999·159 cites·17 claims
- 0283US4290584APole mounted winchSTELCO INC·Filed 1976·Granted Sep 22, 1981·63 cites·9 claims
- 0382US4838062AProcess for upset forging of long stands of metal bar stockSTELCO INC·Filed 1987·Granted Jun 13, 1989·49 cites·20 claims
- 0478US6299825B1Wire take-up mechanismSTELCO INC·Filed 2000·Granted Oct 9, 2001·10 cites·18 claims
- 0574US4950333AWire pickling method and apparatusSTELCO INC·Filed 1989·Granted Aug 21, 1990·18 cites·20 claims
- 0670US5310131AThin material handling system for use in downcoilers and methodSTELCO INC·Filed 1990·Granted May 10, 1994·22 cites·13 claims
- 0768US5902423AHeat treatment of grinding rodSTELCO INC·Filed 1998·Granted May 11, 1999·22 cites·17 claims
- 0865US4810016ALifting hookSTELCO INC·Filed 1984·Granted Mar 7, 1989·19 cites·17 claims
- 0964US4834346ALadle lid arrangementSTELCO INC·Filed 1988·Granted May 30, 1989·13 cites·16 claims
- 1062US4533642AMetal analysis for acid-soluble elementsSTELCO INC·Filed 1982·Granted Aug 6, 1985·19 cites·15 claims
- 1160US5040440AProduct switching mechanismSTELCO INC·Filed 1990·Granted Aug 20, 1991·17 cites·18 claims
- 1259US5186796AMethod and apparatus for electrolytic etching of metalsSTELCO INC·Filed 1991·Granted Feb 16, 1993·14 cites·16 claims
- 1357US5227033AElectrolytic etching of metals to reveal internal qualitySTELCO INC·Filed 1992·Granted Jul 13, 1993·12 cites·24 claims
- 1453US4563146AApparatus for automatically fluxing and casting samplesSTELCO INC·Filed 1984·Granted Jan 7, 1986·6 cites·24 claims
- 1550US6074765AGrinding rod chemistry and method of heat treatment to enhance wearabilitySTELCO INC·Filed 1998·Granted Jun 13, 2000·8 cites·15 claims
- 1649US5310521ASteel composition for suspension springsSTELCO INC·Filed 1992·Granted May 10, 1994·15 cites·2 claims
- 1747US4951694AWire pickling apparatusSTELCO INC·Filed 1990·Granted Aug 28, 1990·6 cites·11 claims
- 1847US4612042AMethod for automatically fluxing and casting samplesSTELCO INC·Filed 1985·Granted Sep 16, 1986·5 cites·5 claims
- 1943US5249622ARetrofitted width adjusting mechanism for continuous castingSTELCO INC·Filed 1992·Granted Oct 5, 1993·8 cites·12 claims
- 2041US6632303B2Stress relieved grinding ball having hard outer shellSTELCO INC·Filed 2001·Granted Oct 14, 2003·1 cites·7 claims
- 2141US5061352AElectrolytic etching of metals to reveal internal qualitySTELCO INC·Filed 1990·Granted Oct 29, 1991·5 cites·20 claims
- 2240US4423857ASpacer for batch coil annealingSTELCO INC·Filed 1982·Granted Jan 3, 1984·7 cites·6 claims
- 2338US2009031646A1Utility poleSTELCO INC·Filed 2007·Application pending·0 cites
- 2437US6802914B2Stress relieved grinding ball having hard outer shellSTELCO INC·Filed 2003·Granted Oct 12, 2004·0 cites·8 claims
- 2536US5972135AStress relieved grinding rod having hard outer shellSTELCO INC·Filed 1998·Granted Oct 26, 1999·3 cites·14 claims
- 2635US6003879ASeal for steel furnace emissionsSTELCO INC·Filed 1998·Granted Dec 21, 1999·6 cites·11 claims
- 2731US4982936AContinuous annealing linesSTELCO INC·Filed 1989·Granted Jan 8, 1991·3 cites·7 claims
- 2830US4439991AMethod and apparatus for treating elongate materialsSTELCO INC·Filed 1982·Granted Apr 3, 1984·5 cites·13 claims
- 2927US4915732ADesulfurizing ironSTELCO INC·Filed 1989·Granted Apr 10, 1990·2 cites·20 claims
- 3027US4754633AMethods and apparatus for drawing wireSTELCO INC·Filed 1986·Granted Jul 5, 1988·8 cites·9 claims
- 3121US5014534AFrame-mounted entry guide systemSTELCO INC·Filed 1990·Granted May 14, 1991·2 cites·8 claims
- 3220US4549269AMethods and apparatus for making prevailing torque nutsSTELCO INC·Filed 1983·Granted Oct 22, 1985·4 cites·10 claims
- 3318US4509220APrevailing torque nutSTELCO INC·Filed 1982·Granted Apr 9, 1985·2 cites·17 claims
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