US PATENT SUBCLASS 210 / 332
.~.~ With residue removal or liquid agitation

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

322  DF  PLURAL DISTINCT SEPARATORS {1}
323.1  DF  .~ Filters {10}
332.~.~ With residue removal or liquid agitation {2}
333.01  DF  .~.~.~> Backwash or blowback {1}
334  DF  .~.~.~> Alternating filter and residue remover

DEFINITION

Classification: 210/332

(under subclass 323) Apparatus in which there is means for removing residue or for agitating the liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

298, for diverse separators having mechanical residue or sediment removers.

407, for a single filter having a residue remover or agitator.