US PATENT SUBCLASS 164 / 492
.~.~.~ To electrically heat work material

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

1  DF  PROCESS {6}
47  DF  .~ Shaping liquid metal against a forming surface {26}
48  DF  .~.~ Direct application of electrical or wave energy to work {3}
492.~.~.~ To electrically heat work material {3}
493  DF  .~.~.~.~> By electrical induction
494  DF  .~.~.~.~> By electron beam
495  DF  .~.~.~.~> By arc discharge {2}

DEFINITION

Classification: 164/492

To electrically heat work material:

(under subclass 48) Process in which the electrical field or force functions to effect heating of the work material.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

10.1+, for electrothermic processes for purification or melting of metals.

219, Electric Heating, appropriate subclasses for processes of heating by electrical means.