(under subclass 55) Subject matter wherein the circulating or moving liquid is also the resistance element, and by such circulation or motion the element is cooled or cools itself.
SEE OR SEARCH THIS CLASS, SUBCLASS:
222, for resistors generally with liquid elements.
SEE OR SEARCH CLASS
219, Electric Heating,
284+, for electric fluid heaters, wherein the fluid is heated by the passage of electric current directly therethrough.
