US PATENT SUBCLASS 210 / 422
.~.~.~ Plural outlets from filter casing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~ Plural outlets from filter casing {1}
423  DF  .~.~.~.~> Attached unitary plural passage header

DEFINITION

Classification: 210/422

(under subclass 420) Apparatus in which the filter element is within a closed casing, which casing has a residue or prefilt outlet in addition to a prefilt inlet and filtrate outlet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

299+, particularly subclasses 312+ for a filter combined with a constituent trapping feature and sediment discharge means.