Assignee
ALPHATECH INC
US·20 granted patents·1 pending application·723 citations·filing 1995–2006
Top patents by PatentIndex Score
21 records- 0197US6354796B1Pump for moving metal in a bath of molten metalALPHATECH INC·Filed 1999·Granted Mar 12, 2002·125 cites·15 claims
- 0296US6082965AAdvanced motor driven impeller pump for moving metal in a bath of molten metalALPHATECH INC·Filed 1999·Granted Jul 4, 2000·107 cites·8 claims
- 0395US6168753B1Inert pump leg adapted for immersion in molten metalALPHATECH INC·Filed 1998·Granted Jan 2, 2001·124 cites·16 claims
- 0494US5863314AMonolithic jet column reactor pumpALPHATECH INC·Filed 1996·Granted Jan 26, 1999·137 cites·36 claims
- 0591US6899772B1Alloy molten composition suitable for molten magnesium environmentsALPHATECH INC·Filed 2000·Granted May 31, 2005·23 cites·1 claims
- 0686US5549393ASelf-aligning bearing for high temperature applicationsALPHATECH INC·Filed 1995·Granted Aug 27, 1996·36 cites·7 claims
- 0782US5713408AMethod for making a multicast rollALPHATECH INC·Filed 1995·Granted Feb 3, 1998·20 cites·10 claims
- 0876US7234869B1Sink roll bearing having ceramic elements for supporting the roll's shaftALPHATECH INC·Filed 2006·Granted Jun 26, 2007·5 cites·19 claims
- 0975US5718517ASelf-aligning bearing for high temperature applicationsALPHATECH INC·Filed 1996·Granted Feb 17, 1998·25 cites·3 claims
- 1070US6051183AJet column and jet column reactor dross removing dross diluting pumpsALPHATECH INC·Filed 1998·Granted Apr 18, 2000·13 cites·24 claims
- 1169US6004507AMaterial formulation for galvanizing equipment submerged in molten and aluminum zinc meltsALPHATECH INC·Filed 1997·Granted Dec 21, 1999·18 cites·14 claims
- 1263US6622118B1System and method for comparing signalsALPHATECH INC·Filed 2001·Granted Sep 16, 2003·30 cites·60 claims
- 1358US5650120ABubble-operated recirculating pump for metal bathALPHATECH INC·Filed 1995·Granted Jul 22, 1997·16 cites·29 claims
- 1457US6562293B1Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc meltsALPHATECH INC·Filed 2000·Granted May 13, 2003·1 cites·18 claims
- 1549US6168757B1Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc meltsALPHATECH INC·Filed 1997·Granted Jan 2, 2001·10 cites·13 claims
- 1646US6261369B1Sink roll for galvanizing bathALPHATECH INC·Filed 1999·Granted Jul 17, 2001·11 cites·14 claims
- 1743US2005073585A1Tracking systems and methodsALPHATECH INC·Filed 2004·Application pending·0 cites
- 1841US5615482AMethod for making composite centrifugally cast furnace roll rings for furnace rollsALPHATECH INC·Filed 1995·Granted Apr 1, 1997·8 cites·9 claims
- 1940US6071074AAdvanced motor driven impeller pump for moving metal in a bath of molten metalALPHATECH INC·Filed 1998·Granted Jun 6, 2000·7 cites·55 claims
- 2039US5772567AComposite furnace rollsALPHATECH INC·Filed 1996·Granted Jun 30, 1998·3 cites·8 claims
- 2132US6106226AHigh velocity prestressed shaft for degasser or pumping application in molten metalALPHATECH INC·Filed 1999·Granted Aug 22, 2000·4 cites·34 claims
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