US PATENT SUBCLASS 165 / 112
.~.~ With downstream pressure or temperature modifier

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

110  DF  WITH FIRST FLUID HOLDER OR COLLECTOR OPEN TO SECOND FLUID {2}
111  DF  .~ Separate external discharge port for each fluid {2}
112.~.~ With downstream pressure or temperature modifier {1}
113  DF  .~.~.~> Surface-type heat exchanger

DEFINITION

Classification: 165/112

(under subclass 111) Apparatus in which there is a means for changing the temperature or pressure of one of the fluids separated by the withdrawal.