(under subclass 2) 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:
6, for induction heating elements combined with resistance furnaces.
7, for induction furnaces combined with heating elements other than an electrical arc, or resistance element.
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.
