US PATENT SUBCLASS 126 / 585
.~.~.~ Temperature responsive

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

569  DF  SOLAR HEAT COLLECTOR {18}
572  DF  .~ With control means energized in response to actuator stimulated by condition sensor {3}
583  DF  .~.~ Of fluent medium {4}
585.~.~.~ Temperature responsive {4}
586  DF  .~.~.~.~> Set point control
587  DF  .~.~.~.~> Differential temperature control
588  DF  .~.~.~.~> Freezing prevention
589  DF  .~.~.~.~> Overheating prevention

DEFINITION

Classification: 126/585

Temperature responsive:

(under subclass 583) Apparatus wherein the sensed condition is the temperature of the fluent medium.