US PATENT SUBCLASS 137 / 411
.~.~ Single float controls plural valves

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

386  DF  LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS {11}
409  DF  .~ By float controlled valve {11}
411.~.~ Single float controls plural valves

DEFINITION

Classification: 137/411

(under subclass 409) Apparatus in which a single float controls a plurality flow controlling means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

168, for float responsive unitary inlet and outlet valves in gas pressure discharge of liquid feed traps to boilers.

391, for the control of both the inflow and outflow from the liquid accumulation.

SEE OR SEARCH CLASS

222, Dispensing, 67, for plural float operated flow controllers in dispensers.