US PATENT SUBCLASS 422 / 109
.~.~ Controls heat transfer

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

105  DF  CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION {6}
108  DF  .~ Control element responds proportionally to a variable signal from a sensor {2}
109.~.~ Controls heat transfer

DEFINITION

Classification: 422/109

Controls heat transfer:

(under subclass 108) Apparatus wherein the control element regulates the degree of heat transfer in the system.