US PATENT SUBCLASS 141 / 216
.~.~.~.~ Float operated valve

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

192  DF  AUTOMATIC CONTROL OF FLOW CUTOFF OR DIVERSION {4}
198  DF  .~ Level or overflow responsive {3}
206  DF  .~.~ Manually initiated valve with both manual and level cut-off controls {5}
210  DF  .~.~.~ Separate controls for plural series liquid flow line valves {2}
216.~.~.~.~ Float operated valve

DEFINITION

Classification: 141/216

(under subclass 210) Filling apparatus in which one of the means controlling flow in the flow line to the receiver comprises a buoyant means movement of which operates to directly apply a force to the flow cut-off means.