US PATENT SUBCLASS 202 / 130
.~.~.~.~.~ With regenerator or recuperator


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}
130.~.~.~.~.~ With regenerator or recuperator


DEFINITION

Classification: 202/130

The retorts are inclined and associated with single or double surface air and/or gas heaters which are heated by the waste products of combustion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, 122, 123, 132, 140, 141, and indented subclasses 146 and 148.

SEE OR SEARCH CLASS

201, Distillation: Processes, Thermolytic,

15+, for a carbonizing process including indirectly heating the carbonaceous material by burning a product of the carbonizing step and subclass 37 for a carbonizing process in which combustion gases are passed into the retort.