US PATENT SUBCLASS 141 / 210
.~.~.~ Separate controls for plural series liquid flow line valves

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.~.~.~ Separate controls for plural series liquid flow line valves {2}
211  DF  .~.~.~.~> Self-opening valve {2}
216  DF  .~.~.~.~> Float operated valve

DEFINITION

Classification: 141/210

(under subclass 206) Filling apparatus in which there is claimed or disclosed diverse controls for diverse flow controlling means which latter means are serially arranged in the liquid flow path to the receiver.

(1) Note. For reference to the limitation of this and indented subclasses, see the search note below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206, for reference to the limitation of this subclass (210) and indented subclasses.

228, for similar arrangements wherein the manually initiated valve of this and the indented subclasses is replaced by an externally initiated valve.

SEE OR SEARCH CLASS

137, Fluid Handling, 637+, for separate actuators for plural valves; 613 for distribution systems comprising plural serially arranged valves.

251, Valves and Valve Actuation,

6+, for serial meter-operated and manual flow line controllers.