US PATENT SUBCLASS 392 / 316
.~.~.~.~ Responsive to condition of fluid

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
311  DF  .~ Fluid-in-circuit type heater {6}
314  DF  .~.~ Continuous flow of fluid being heated {4}
315  DF  .~.~.~ With means to adjust current path between electrodes {2}
316.~.~.~.~ Responsive to condition of fluid

DEFINITION

Classification: 392/316

Responsive to condition of fluid:

(under subclass 315) Subject matter wherein the continuous fluid-in-circuit heater includes means which senses and responds to the fluid to adjust the current path between the electrodes.