US PATENT SUBCLASS 210 / 106
.~ Filter cleaning


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

97  DF  FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE {14}
106.~ Filter cleaning {2}
107  DF  .~.~> Rotary movement of filter or mechanical cleaner
108  DF  .~.~> Backwash or blowback


DEFINITION

Classification: 210/106

(under subclass 97) Apparatus relating to means to rehabilitate or clean a filter medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

407+, for filter means combined with cleaning means.