US PATENT SUBCLASS 202 / 206
.~.~.~.~ Automatic heat control

Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
152  DF  .~.~ Separatory {3}
163  DF  .~.~.~ Still {13}
206.~.~.~.~ Automatic heat control

DEFINITION

Classification: 202/206

Means for automatically controlling or cutting off the heat from the still when any conditions making it desirable are found in the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

160,

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

447, and 448.1.

196, Mineral Oils: Apparatus,

132, and 141.

236, Automatic Temperature and Humidity Regulation, appropriate subclass for regulating-apparatus combinations.