US PATENT SUBCLASS 219 / 608
.~.~.~.~ With electrical control (e.g., speed, temperature, gaging thickness, etc.)

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

600  DF  INDUCTIVE HEATING {7}
602  DF  .~ Metal working {1}
603  DF  .~.~ Bonding {7}
607  DF  .~.~.~ Tube (i.e., pipe) {5}
608.~.~.~.~ With electrical control (e.g., speed, temperature, gaging thickness, etc.)

DEFINITION

Classification: 219/608

With electrical control (e.g., speed, temperature, gaging thickness, etc.):

(under subclass 607) Subject matter wherein an electric device continuously adjusts the forming of a tube according

to a specific result.

SEE OR SEARCH THIS CLASS, SUBCLASS:

663, for an inductive heating system with condition responsive controlled power supply.