US PATENT SUBCLASS 210 / 130
.~ Fluid pressure responsive by-pass

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

97  DF  FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE {14}
130.~ Fluid pressure responsive by-pass {3}
131  DF  .~.~> By movement of separation medium
132  DF  .~.~> With additional separation or treating means
133  DF  .~.~> In inlet and outlet closure header

DEFINITION

Classification: 210/130

(under subclass 97) Apparatus comprising means responsive to pressure to bypass liquids around treatment means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99, for means to divert on initial charge of prefilt to drain.

790, for separating processes involving dividing and recombining the flow.