Assignee
AJAX MAGNETHERMIC CORP
US31 patents
Top patents by PatentIndex Score
US5739506AApr 14, 1998
Coil position adjustment system in induction heating assembly for metal strip
AJAX MAGNETHERMIC CORP114 citations95
US4694134ASep 15, 1987
Apparatus for overheating edges of skelp for the production of compression welded pipe
AJAX MAGNETHERMIC CORP64 citations95
US5799720ASep 1, 1998
Nozzle assembly for continuous caster
AJAX MAGNETHERMIC CORP24 citations92
US5156683AOct 20, 1992
Apparatus for magnetic induction edge heaters with frequency modulation
AJAX MAGNETHERMIC CORP32 citations91
US6148018ANov 14, 2000
Heat flow sensing system for an induction furnace
AJAX MAGNETHERMIC CORP31 citations89
US5034586AJul 23, 1991
Induction heating assembly including an interposed closed conductive loop for suppression of intercoil coupling
AJAX MAGNETHERMIC CORP28 citations89
US6021053AFeb 1, 2000
Method and apparatus for switching circuit system including a saturable core device with multiple advantages
AJAX MAGNETHERMIC CORP21 citations86
US5403994AApr 4, 1995
Selectively adjustable transverse flux heating apparatus
AJAX MAGNETHERMIC CORP24 citations86
US4280038AJul 21, 1981
Method and apparatus for inducting heating and melting furnaces to obtain constant power
AJAX MAGNETHERMIC CORP45 citations86
US6107613AAug 22, 2000
Selectively sizable channel coil
AJAX MAGNETHERMIC CORP26 citations83
US4093839AJun 6, 1978
Apparatus and method for inductively heating metallic tubing having an upset portion
AJAX MAGNETHERMIC CORP48 citations83
US4139723AFeb 13, 1979
Power control unit for a single phase load with slightly changing impedances
AJAX MAGNETHERMIC CORP26 citations81
US6399929B1Jun 4, 2002
Induction heater comprising a coil/capacitor bank combination including a translatable coil assembly for movement on and off a continuous strip
AJAX MAGNETHERMIC CORP17 citations76
US5280495AJan 18, 1994
Furnace refractory extraction system and method
AJAX MAGNETHERMIC CORP10 citations73
US5133402AJul 28, 1992
Induction heating of endless belts in a continuous caster
AJAX MAGNETHERMIC CORP19 citations72
US4037044AJul 19, 1977
Power control system for single phase induction melting or heating furnace
AJAX MAGNETHERMIC CORP10 citations72
US6279646B1Aug 28, 2001
Induction heating of side or dam blocks in a continuous caster
AJAX MAGNETHERMIC CORP13 citations71
US4895736AJan 23, 1990
Method for alloying of coatings
AJAX MAGNETHERMIC CORP7 citations70
US5666377ASep 9, 1997
Multiple furnace controller
AJAX MAGNETHERMIC CORP10 citations69
US5418706AMay 23, 1995
Wide load matching capability power supply
AJAX MAGNETHERMIC CORP8 citations69
US5953363ASep 14, 1999
Bushing for minimizing power losses in a channel inductor
AJAX MAGNETHERMIC CORP11 citations68
US5025122AJun 18, 1991
Induction heater with axially-aligned coils
AJAX MAGNETHERMIC CORP13 citations68
US4754114AJun 28, 1988
Induction heater
AJAX MAGNETHERMIC CORP17 citations68
US4047092ASep 6, 1977
High frequency inverter
AJAX MAGNETHERMIC CORP7 citations65
US4811356AMar 7, 1989
Control circuit for switching power to an induction furnace
AJAX MAGNETHERMIC CORP3 citations61
US6439883B1Aug 27, 2002
Threading and scale removal device
AJAX MAGNETHERMIC CORP2 citations60
US6365884B1Apr 2, 2002
Segmented compressed induction heating coil assembly
AJAX MAGNETHERMIC CORP4 citations59
US4807559AFeb 28, 1989
Apparatus for alloying of coatings
AJAX MAGNETHERMIC CORP4 citations59
US4305574ADec 15, 1981
Quenching device
AJAX MAGNETHERMIC CORP7 citations58
US4859823AAug 22, 1989
Electric induction heater
AJAX MAGNETHERMIC CORP5 citations57
US6911633B2Jun 28, 2005
Suspended induction coil and method for replacement of turns comprising same
AJAX MAGNETHERMIC CORP0 citations48