US PATENT SUBCLASS 210 / 432
.~.~ Filter in valve body recess

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}
432.~.~ Filter in valve body recess

DEFINITION

Classification: 210/432

(under subclass 418) Apparatus in which the filter is in a chamber or recess in the controller body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

426, for an encased multiway valve unit to control fluid cleaning of a filter by backwashing.