US PATENT SUBCLASS 239 / 427
.~ Serially arranged mixing zones (i.e., of same or mixed fluids)

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

398  DF  COMBINING OF SEPARATELY SUPPLIED FLUIDS (I.E., PLURAL FLOW PATHS) {9}
427.~ Serially arranged mixing zones (i.e., of same or mixed fluids) {1}
427.3  DF  .~.~> Additions of fluid in zones spaced along flow path {1}

DEFINITION

Classification: 239/427

(under subclass 398) Apparatus having two or more areas spaced along the flow paths where fluids are mingled such that either (1) two or more fluids are mixed together at different points, or (2) the previously mixed fluids are further mixed.