US PATENT SUBCLASS 96 / FOR 119
.~ With means to control liquid return flow to supply or sump (55/229)

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

FOR 111  DF  WITH LIQUID CONTACTING MEANS (E.G., GAS OR MEDIA CLEANING) (55/220) {16}
FOR 119.~ With means to control liquid return flow to supply or sump (55/229)

DEFINITION

Classification: 96/FOR.119

Foreign art collection including apparatus having (1) manual or power operated means (e.g. pump) located at some point in a liquid recirculation system for recirculating at least a portion of the liquid back to the point of initial use, or (2) means to drain, control the flow of, or return a treating liquid to a liquid bath or reservoir spaced apart from the contact zone.