Assignee
ALPHATECH INC
US20 patents
Top patents by PatentIndex Score
US6082965AJul 4, 2000
Advanced motor driven impeller pump for moving metal in a bath of molten metal
ALPHATECH INC107 citations99
US6168753B1Jan 2, 2001
Inert pump leg adapted for immersion in molten metal
ALPHATECH INC124 citations98
US5863314AJan 26, 1999
Monolithic jet column reactor pump
ALPHATECH INC137 citations98
US6899772B1May 31, 2005
Alloy molten composition suitable for molten magnesium environments
ALPHATECH INC23 citations92
US6004507ADec 21, 1999
Material formulation for galvanizing equipment submerged in molten and aluminum zinc melts
ALPHATECH INC18 citations92
US5718517AFeb 17, 1998
Self-aligning bearing for high temperature applications
ALPHATECH INC25 citations92
US5713408AFeb 3, 1998
Method for making a multicast roll
ALPHATECH INC20 citations92
US5549393AAug 27, 1996
Self-aligning bearing for high temperature applications
ALPHATECH INC36 citations92
US6354796B1Mar 12, 2002
Pump for moving metal in a bath of molten metal
ALPHATECH INC125 citations89
US6622118B1Sep 16, 2003
System and method for comparing signals
ALPHATECH INC30 citations83
US5650120AJul 22, 1997
Bubble-operated recirculating pump for metal bath
ALPHATECH INC16 citations82
US6261369B1Jul 17, 2001
Sink roll for galvanizing bath
ALPHATECH INC11 citations74
US6168757B1Jan 2, 2001
Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts
ALPHATECH INC10 citations74
US6071074AJun 6, 2000
Advanced motor driven impeller pump for moving metal in a bath of molten metal
ALPHATECH INC7 citations74
US6051183AApr 18, 2000
Jet column and jet column reactor dross removing dross diluting pumps
ALPHATECH INC13 citations74
US5615482AApr 1, 1997
Method for making composite centrifugally cast furnace roll rings for furnace rolls
ALPHATECH INC8 citations74
US7234869B1Jun 26, 2007
Sink roll bearing having ceramic elements for supporting the roll's shaft
ALPHATECH INC5 citations63
US6106226AAug 22, 2000
High velocity prestressed shaft for degasser or pumping application in molten metal
ALPHATECH INC4 citations63
US5772567AJun 30, 1998
Composite furnace rolls
ALPHATECH INC3 citations63
US6562293B1May 13, 2003
Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts
ALPHATECH INC1 citations52