US PATENT SUBCLASS 202 / 203
.~.~.~.~.~ Aeration

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}
202  DF  .~.~.~.~ With condensate-treating devices {2}
203.~.~.~.~.~ Aeration

DEFINITION

Classification: 202/203

Air or other gas is passed through the condensate for purification, flavoring, preserving, or other purpose.

SEE OR SEARCH CLASS

261, Gas and Liquid Contact Apparatus, for structure of gas and liquid contact apparatus.