|
US3065324A
|
|
Control system for billet heaters
|
|
US3071356A
|
|
Heat treating furnace
|
|
GB917298A
|
|
Improvements relating to furnace ladling apparatus
|
|
US3134836A
|
|
Electric heating furnace
|
|
US3080517A
|
|
Electrical power control circuits
|
|
US3046378A
|
|
Fluid heater
|
|
US3080468A
|
|
Billet heater control and method
|
|
US3046509A
|
|
Induction coil with split flexible insulating flange
|
|
US3050794A
|
|
Furnace ladling apparatus
|
|
US3005858A
|
|
Multiple chamber metal melting furnace
|
|
US2905798A
|
|
Induction heating apparatus
|
|
US3019006A
|
|
Multiple zone heating furnace
|
|
US2888506A
|
|
Salt bath furnace
|
|
US2891303A
|
|
Electric furnace heating element
|
|
US2882507A
|
|
Transformer windings
|
|
GB842893A
|
|
Furnace ladling apparatus
|
|
US2843712A
|
|
Induction heating furnace and method of heating
|
|
US2816334A
|
|
Automatic ladling control for metal melting furnace
|
|
US2846740A
|
|
Furnace ladling apparatus
|
|
US2820076A
|
|
Electrical heating assembly
|
