US PATENT SUBCLASS 141 / 116
.~ By means reversing direction of flow

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

115  DF  DRIP PREVENTION BY FLOW REVERSING AND/OR OVERFILL REMOVAL {3}
116.~ By means reversing direction of flow {4}
117  DF  .~.~> Expanding chamber in disengaged head
118  DF  .~.~> By tilting receiver and adjoined filler
119  DF  .~.~> Interconnected supply valve cut-off and vacuum control
120  DF  .~.~> Siphonic return to supply

DEFINITION

Classification: 141/116

(under subclass 115) Apparatus in which the contents material beyond the last point of stop-page is removed from the receiver or dispenser outlet means by returning such contents material to the supply through the filling means.