US PATENT SUBCLASS 165 / 50
.~.~ Room heat exchangers with central fluid supply

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

47  DF  STRUCTURAL INSTALLATION {3}
48.1  DF  .~ Heating and cooling {3}
50.~.~ Room heat exchangers with central fluid supply

DEFINITION

Classification: 165/50

(under subclass 48.1) Apparatus wherein there is a heat exchanger in each of a plurality of rooms and a fluid from a central heated or cooled supply communicates with the heat exchangers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205+, for automatic, interlocked plural zone and central system control.