US PATENT SUBCLASS 210 / 796
.~.~.~.~ Includng mechanical agitation

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

600  DF  PROCESSES {14}
767  DF  .~ Separating {16}
791  DF  .~.~ Rehabilitating or regenerating filter medium {2}
792  DF  .~.~.~ Particulate bed {2}
796.~.~.~.~ Includng mechanical agitation

DEFINITION

Classification: 210/796

Including mechanical agitation:

(under subclass 792) Process wherein mechanical stirring of the particulate bed results or aids in its cleaning.