US PATENT SUBCLASS 202 / 118
.~.~.~.~.~ Screw

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}
117  DF  .~.~.~.~ Conveying {2}
118.~.~.~.~.~ Screw

DEFINITION

Classification: 202/118

The conveying means comprises one or more screws.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

476.1, 513, 548, 550.6, 550.10, 582, 608, 611, 625, and 657+, for screw conveying means.