US PATENT SUBCLASS 202 / 180
.~.~.~.~.~.~ Condensing

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}
176  DF  .~.~.~.~ With distilland treating devices {2}
177  DF  .~.~.~.~.~ Preheater {3}
180.~.~.~.~.~.~ Condensing

DEFINITION

Classification: 202/180

The distilland before it enters the still is used as the cooling fluid in the condenser.

SEE OR SEARCH THIS CLASS, SUBCLASS:

195+,

SEE OR SEARCH CLASS

196, Mineral Oils: Apparatus,

134,.

203, Distillation: Processes, Separatory,

10+, for a process of purifying water by distillation in which the feed water is used as the cooling fluid in the condenser. 208, Mineral Oils: Processes and Products,

353, and 364+.