US PATENT SUBCLASS 392 / 326
.~.~.~.~ Control of electrode immersion level


Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
311  DF  .~ Fluid-in-circuit type heater {6}
324  DF  .~.~ Steam or vapor generator {2}
325  DF  .~.~.~ Line connected boiler {3}
326.~.~.~.~ Control of electrode immersion level {2}
327  DF  .~.~.~.~.~> By electrode current
328  DF  .~.~.~.~.~> By pressure


DEFINITION

Classification: 392/326

Control of electrode immersion level:

(under subclass 325) Subject matter wherein the boiler includes means to control the depth of the electrode immersed in the water to be heated.

SEE OR SEARCH CLASS

338, Electrical Resistors,

80+, and 86 for level of liquid element adjustable on electrodes.