US PATENT SUBCLASS 202 / 131
.~.~.~.~.~ Rotary

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}
128  DF  .~.~.~.~ Inclined {4}
131.~.~.~.~.~ Rotary

DEFINITION

Classification: 202/131

The retort is arranged to rotate around its longer axis, and thus carry the distilland forward. It may have spiral vanes or other means to assist the movement of the distilland.

SEE OR SEARCH THIS CLASS, SUBCLASS:

136, for a thermolytic distillation system including rotary horizontal retort, subclass 216, for a rotary directly heated

chamber and subclass 218, for a rotary thermolytic retort.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

108+, for a receptacle rotating about an axis through which receptacle the material being treated is carried.

110, Furnaces,

246, for a rotary drum incinerator for carbonizing and burning garbage. 201, Distillation: Processes, Thermolytic,

32+, for a thermolytic distillation process in which the distilland moves through the apparatus.

366, Agitating,

219+, for movably mounted mixing chamber of general utility.

373, Industrial Electric Heating Furnaces,

84, and 85+ for a rotating electric arc furnace and subclasses 115 and 116, for a rotating electric resistance furnace.

432, Heating,

103+, for a residual tumbler type rotary drum furnace.