US PATENT SUBCLASS 202 / 99
.~.~.~ Directly heated chamber

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

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
96  DF  .~.~ Thermolytic {5}
99.~.~.~ Directly heated chamber {1}
100  DF  .~.~.~.~> Rotary chamber

DEFINITION

Classification: 202/99

A chamber equipped with means introducing heat into its interior in direct contact with the distilland, either by means of heated solids or heated gaseous fluids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107,

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating,

76, and 203.

432, Heating,

41, for a residual material heating furnace in which the material is heated by contact with combustion products.