US PATENT SUBCLASS 137 / 192
.~.~.~.~.~ Float

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

154  DF  DIVERSE FLUID CONTAINING PRESSURE SYSTEMS {7}
171  DF  .~ Fluid separating traps or vents {5}
177  DF  .~.~ Discriminating outlet for liquid {4}
183  DF  .~.~.~ With fluid responsive valve {3}
187  DF  .~.~.~.~ Level responsive {2}
192.~.~.~.~.~ Float {4}
193  DF  .~.~.~.~.~.~> With main line gas outlet from trap chamber
194  DF  .~.~.~.~.~.~> With outlet extending above liquid in trap
195  DF  .~.~.~.~.~.~> Servo-control
196  DF  .~.~.~.~.~.~> With pressure balanced outlet valve

DEFINITION

Classification: 137/192

(under subclass 187) Separating traps wherein the level responsive means is a float.

SEE OR SEARCH THIS CLASS, SUBCLASS:

386+, for liquid level responsive or maintaining systems, especially 409+ for float controlled valves, and see the search notes to subclasses 386 and 409.

SEE OR SEARCH CLASS

222, Dispensing,

67+, for float operated flow controllers in dispensers.