Assignee
INDUCTOTHERM CORP
US108 patents
Top patents by PatentIndex Score
US5495094AFeb 27, 1996
Continuous strip material induction heating coil
INDUCTOTHERM CORP66 citations94
US6576878B2Jun 10, 2003
Transverse flux induction heating apparatus
INDUCTOTHERM CORP66 citations93
US6393044B1May 21, 2002
High efficiency induction melting system
INDUCTOTHERM CORP47 citations93
US6148019ANov 14, 2000
Modular high power induction heating and melting system
INDUCTOTHERM CORP26 citations93
US6819704B2Nov 16, 2004
Induction melting furnace with metered discharge
INDUCTOTHERM CORP17 citations92
US6696770B2Feb 24, 2004
Induction heating or melting power supply utilizing a tuning capacitor
INDUCTOTHERM CORP35 citations92
US6542535B2Apr 1, 2003
Induction furnace with improved efficiency coil system
INDUCTOTHERM CORP23 citations92
US5901170AMay 4, 1999
Induction furnace
INDUCTOTHERM CORP51 citations92
US5003551AMar 26, 1991
Induction melting of metals without a crucible
INDUCTOTHERM CORP29 citations92
US4578552AMar 25, 1986
Levitation heating using single variable frequency power supply
INDUCTOTHERM CORP50 citations92
US6864419B2Mar 8, 2005
Electromagnetic shield for an induction heating coil
INDUCTOTHERM CORP26 citations91
US5837976ANov 17, 1998
Strip heating coil apparatus with series power supplies
INDUCTOTHERM CORP29 citations91
US5523631AJun 4, 1996
Control system for powering plural inductive loads from a single inverter source
INDUCTOTHERM CORP67 citations91
US5165049ANov 17, 1992
Phase difference control circuit for induction furnace power supply
INDUCTOTHERM CORP30 citations91
US7525073B2Apr 28, 2009
Transverse flux electric inductors
INDUCTOTHERM CORP21 citations90
US6121592ASep 19, 2000
Induction heating device and process for the controlled heating of a non-electrically conductive material
INDUCTOTHERM CORP45 citations90
US5272720ADec 21, 1993
Induction heating apparatus and method
INDUCTOTHERM CORP31 citations90
US5250777AOct 5, 1993
Method and apparatus for variable phase induction heating and stirring
INDUCTOTHERM CORP44 citations90
US6963056B1Nov 8, 2005
Induction heating of a workpiece
INDUCTOTHERM CORP34 citations89
US7197061B1Mar 27, 2007
Directional solidification of a metal
INDUCTOTHERM CORP23 citations88
US5757506AMay 26, 1998
Video positioning system for a pouring vessel
INDUCTOTHERM CORP23 citations88
US4953761ASep 4, 1990
Stopper rod spatial control mechanism
INDUCTOTHERM CORP29 citations88
US5940273AAug 17, 1999
Semiconductor clamping device
INDUCTOTHERM CORP19 citations87
US5272719ADec 21, 1993
Plural output power supply for induction holding and melting furnaces
INDUCTOTHERM CORP33 citations87
US5425048AJun 13, 1995
Heating apparatus for induction ladle and vacuum furnaces
INDUCTOTHERM CORP42 citations86
US4744407AMay 17, 1988
Apparatus and method for controlling the pour of molten metal into molds
INDUCTOTHERM CORP25 citations86
US7087870B1Aug 8, 2006
Induction heating or melting with multiple frequencies
INDUCTOTHERM CORP11 citations84
US5844213ADec 1, 1998
Induction heating coil assembly for prevention of circulating currents in induction heating lines for continuous-cast products
INDUCTOTHERM CORP32 citations84
US7582851B2Sep 1, 2009
Gradient induction heating of a workpiece
INDUCTOTHERM CORP10 citations83
US7457344B2Nov 25, 2008
Electric induction control system
INDUCTOTHERM CORP18 citations83
US6798822B2Sep 28, 2004
Simultaneous induction heating and stirring of a molten metal
INDUCTOTHERM CORP17 citations83
US6546039B2Apr 8, 2003
Simultaneous induction heating and stirring of a molten metal
INDUCTOTHERM CORP17 citations83
US7482559B2Jan 27, 2009
Transverse flux induction heating apparatus and compensators
INDUCTOTHERM CORP13 citations82
US7291817B2Nov 6, 2007
Scan induction heating
INDUCTOTHERM CORP13 citations81
US4160966AJul 10, 1979
Stabilized reactor
INDUCTOTHERM CORP23 citations75
US6992406B2Jan 31, 2006
Induction heating or melting power supply utilizing a tuning capacitor
INDUCTOTHERM CORP10 citations74
US5090022AFeb 18, 1992
Cold crucible induction furnace
INDUCTOTHERM CORP18 citations74
US4745620AMay 17, 1988
Apparatus and method for maintaining constant molten metal level in metal casting
INDUCTOTHERM CORP15 citations74
US4673025AJun 16, 1987
Apparatus and method for maintaining constant molten metal level in metal casting
INDUCTOTHERM CORP7 citations74
US6693950B2Feb 17, 2004
Furnace with bottom induction coil
INDUCTOTHERM CORP11 citations73
US6600768B2Jul 29, 2003
Induction melting furnace with metered discharge
INDUCTOTHERM CORP7 citations73
US6563723B2May 13, 2003
Fault tolerant power supply circuit
INDUCTOTHERM CORP9 citations73
US6187257B1Feb 13, 2001
Dross removal on coating lines
INDUCTOTHERM CORP12 citations73
US8350198B2Jan 8, 2013
Heating and melting of materials by electric induction heating of susceptors
INDUCTOTHERM CORP6 citations72
US9585201B1Feb 28, 2017
Electric induction heating of rails
INDUCTOTHERM CORP4 citations71
US6690710B2Feb 10, 2004
High efficiency induction heating and melting systems
INDUCTOTHERM CORP7 citations71
US6391247B1May 21, 2002
Flat inductors
INDUCTOTHERM CORP13 citations71
US6038157AMar 14, 2000
Fault tolerant power supply circuit
INDUCTOTHERM CORP12 citations71
US5550353AAug 27, 1996
Induction heating coil assembly for prevent of circulating current in induction heating lines for continuous-cast products
INDUCTOTHERM CORP18 citations71
US5416794AMay 16, 1995
Induction furnace havng a modular induction coil assembly
INDUCTOTHERM CORP18 citations71
Showing the top 50 of 108 patents by PatentIndex Score.