US PATENT SUBCLASS 141 / 219
.~.~.~.~.~ Electromagnetic trip

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}
217  DF  .~.~.~ Diverse controls for single valve {1}
218  DF  .~.~.~.~ Valve latched open {3}
219.~.~.~.~.~ Electromagnetic trip

DEFINITION

Classification: 141/219

(under subclass 218) Filling apparatus in which the holding means is rendered ineffective by electrically controlled magnetic means.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

68+, for electromagnetically operated trip means in valves generally.