US PATENT SUBCLASS 210 / 785
.~.~.~ Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.)

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

600  DF  PROCESSES {14}
767  DF  .~ Separating {16}
780  DF  .~.~ Including movement of filter during filtration {5}
785.~.~.~ Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.)

DEFINITION

Classification: 210/785

Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.):

(under subclass 780) Process in which the filter is oscillated or agitated in a to and from manner, serving to dislodge entrapped material.