US PATENT SUBCLASS 137 / 339
.~ With diversion of part of fluid to heat or cool the device or its contents

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

334  DF  WITH HEATING OR COOLING OF THE SYSTEM {6}
339.~ With diversion of part of fluid to heat or cool the device or its contents

DEFINITION

Classification: 137/339

(under subclass 334) Apparatus in which a part of the fluid is diverted in a separate channel to heat or cool the device or a part thereof, or to heat or cool another part of the fluid that has assumed a different temperature.

(1) Note. See the definition of subclass 334, (1) Note.