US PATENT SUBCLASS 126 / 642
.~.~.~ Tank is heat exchanger

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
634  DF  .~ With means to convey fluent medium through collector {7}
640  DF  .~.~ With storage tank for fluent medium {2}
642.~.~.~ Tank is heat exchanger

DEFINITION

Classification: 126/642

Tank is heat exchanger:

(under subclass 640) Apparatus wherein the heat is transferred from the fluent medium via a wall of the fluent container to a heat utilization location. [figure]