US PATENT SUBCLASS 202 / 114
.~.~.~.~.~ Common heating furnace

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}
105  DF  .~.~.~ Retort {14}
113  DF  .~.~.~.~ Plural {3}
114.~.~.~.~.~ Common heating furnace

DEFINITION

Classification: 202/114

A plurality of retorts arranged to be heated by a single furnace.

SEE OR SEARCH THIS CLASS, SUBCLASS:

147, and indented subclasses.

SEE OR SEARCH CLASS

110, Furnaces,

230+, for a solid fuel furnace provided with coking means.

432, Heating,

207+, for a residual material heating apparatus including a plurality of structurally related retorts.