US PATENT SUBCLASS 219 / 121.37
.~.~.~ Melting

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.36  DF  .~.~ Using plasma {8}
121.37.~.~.~ Melting {1}
121.38  DF  .~.~.~.~> Methods

DEFINITION

Classification: 219/121.37

Melting:

(under subclass 121.36) Subject matter wherein the ionized gas plasma liquifies the workpiece.