US PATENT SUBCLASS 210 / 321.69
.~ With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator)

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

321.6  DF  CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S) {15}
321.69.~ With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator) {1}
321.7  DF  .~.~> Solid cleaning material (e.g., balls)

DEFINITION

Classification: 210/321.69

With membrane cleaning or sterilizing means (other than by filter movement or rotating agitator):

(under subclass 321.6) Apparatus including means providing membrane cleaning (removing accumulated undesired material) or sterilizing (destroying a pathogenic micro-organism), other than by a rotating mechanical agitator or membrane movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321.63, and 321.67, for membrane cleaning apparatus including a rotating mechanical agitator or membrane movement.

636, for processes of cleaning or sterilizing.