US PATENT SUBCLASS 55 / 418.1
.~ With heating or cooling means or having insulation

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

418  DF  WITH INFLOW GAS CONTROL OR DISTRIBUTION {3}
418.1.~ With heating or cooling means or having insulation

DEFINITION

Classification: 55/418.1

With heating or cooling means or having insulation:

(under subclass 418) Apparatus having means for raising or lowering the temperature of a gaseous fluid mixture or separated constituent or having means to prevent heat exchange between a gaseous fluid mixture or separated constituent and a surrounding atmosphere.