US PATENT SUBCLASS 202 / 193
.~.~.~.~.~.~.~.~.~.~ Distilland-level 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}
182  DF  .~.~.~.~ With vapor-treating devices {7}
185.1  DF  .~.~.~.~.~ Condenser {10}
189  DF  .~.~.~.~.~.~ Still supported {2}
190  DF  .~.~.~.~.~.~.~ Cap (or closure) {1}
191  DF  .~.~.~.~.~.~.~.~ Jacketed {1}
192  DF  .~.~.~.~.~.~.~.~.~ Still feeding {1}
193.~.~.~.~.~.~.~.~.~.~ Distilland-level control

DEFINITION

Classification: 202/193

Means is provided for controlling the height of the distilland in the still as it passes from the condenser.

SEE OR SEARCH THIS CLASS, SUBCLASS:

181, and 196.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

451, and appropriate indented subclasses.

137, Fluid Handling,

386+, for a liquid level responsive or maintaining system.

159, Concentrating Evaporators,

43.1+,.

196, Mineral Oils: Apparatus,

135,.