US PATENT SUBCLASS 210 / 423
.~.~.~.~ Attached unitary plural passage header

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

348  DF  FILTER {25}
418  DF  .~ With flow controller for material being treated {5}
420  DF  .~.~ Selective directive flow relative to filter {4}
422  DF  .~.~.~ Plural outlets from filter casing {1}
423.~.~.~.~ Attached unitary plural passage header

DEFINITION

Classification: 210/423

(under subclass 422) Apparatus having at least one inlet and one outlet in a unitary header.

SEE OR SEARCH THIS CLASS, SUBCLASS:

133, for a fluid pressure responsive bypass in a unitary header.

340, for parallel filters with flow control means.