US PATENT SUBCLASS 202 / 234
.~.~.~.~ Directly heated

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

81  DF  APPARATUS {4}
*  DD  .~ Types {3}
*  DD  .~.~ Separatory {1}
232  DF  .~.~.~ Still {6}
234.~.~.~.~ Directly heated

DEFINITION

Classification: 202/234

The distilland is heated by a heating fluid directly in contact with it, by radiant heat (as by the sun, etc.), by electric elements immersed in the distilland, or in contact therewith.

SEE OR SEARCH CLASS

159, Concentrating Evaporators,

4.1+, 8 and 16.1.

196, Mineral Oils: Apparatus,

126, and 127.

201, Distillation: Processes, Thermolytic,

19, for a thermolytic distillation process in which electrical energy is applied directly to the distilland.

203, Distillation: Processes, Separatory, 10+, for a process of solar distillation of water and subclass 100 for a collection of methods of heating in a separatory distillation process.