(under subclass 1) Subject matter including means to produce heat in a charge by placing it in an electromagnetic relationship with an inducing winding, the charge forming the secondary.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4, for inductance heating elements combined with arc furnaces.
6, for inductance heating elements combined with resistance furnaces.
138+, for induction furnace details, per se.
SEE OR SEARCH CLASS
164, Metal Founding,
513, for inductive heating apparatus used for metal casting. 219, Electric Heating,
600+, for inductive heating, subclasses 678+ for microwave heating, and subclasses 764+ for capacitive dielectric heating.