US PATENT SUBCLASS 165 / FOR 130
.~.~ Flow of one heat exchanging material controlled by the condition of another (165/37)

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

FOR 104  DF  AUTOMATIC CONTROL (165/13) {2}
FOR 123  DF  .~ Temperature or pressure (165/32) {4}
FOR 130.~.~ Flow of one heat exchanging material controlled by the condition of another (165/37)

DEFINITION

Classification: 165/FOR.130

Foreign art collections responsive to one exchanging substance controlling the flow of fluid with which it exchanges heat.