US PATENT SUBCLASS 373 / 12
.~.~ Power supply and control circuit


Current as of: June, 1999
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373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

10  DF  ELECTRON BEAM FURNACE DEVICE {4}
11  DF  .~ Vaporizing furnace {2}
12.~.~ Power supply and control circuit


DEFINITION

Classification: 373/12

Power supply and control circuit:

(under subclass 11) Subject matter including means to regulate and power the operation of the vaporizing furnace.

SEE OR SEARCH THIS CLASS, SUBCLASS:

25, for plasma furnaces control systems.

40, for glass furnace electrical system regulation.

49+, for electroslag remelting furnaces with power supply control.

70, and 104+, for arc furnace power regulation.

135, for resistance furnace control, per se. 148, for induction furnace power supply regulation.