US PATENT SUBCLASS 266 / 148
.~ By condensing and collecting a volatile constituent

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

144  DF  WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANS {8}
148.~ By condensing and collecting a volatile constituent {6}
149  DF  .~.~> Within evacuated chamber
150  DF  .~.~> Having molten metal splashing means
151  DF  .~.~> By cascading material evolving the gas
152  DF  .~.~> By indirect liquid heat exchange means
153  DF  .~.~> Having retort condenser
154  DF  .~.~> Vertical shaft furnace

DEFINITION

Classification: 266/148

(under subclass 144) Device including means specialized to receive vaporized material and cause said vaporized material to undergo a phase change to the solid or liquid state.

SEE OR SEARCH CLASS

202, Distillation: Apparatus, appropriate subclass, for distilling apparatus other than that used to condense metal.

432, Heating,

66, for a heating means of general utility with a condenser for work chamber vapor.