US PATENT SUBCLASS 34 / 533
.~.~.~.~.~ Silicon-controlled rectifier (SCR)

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
526  DF  .~.~ Of plural operations {3}
527  DF  .~.~.~ Of specific operational sequence {5}
531  DF  .~.~.~.~ With threshold circuit device {2}
533.~.~.~.~.~ Silicon-controlled rectifier (SCR)

DEFINITION

Classification: 34/533

Silicon-controlled rectifier (SCR):

(under subclass 531) Apparatus wherein the conductive device is a silicon-controlled rectifier.