US PATENT SUBCLASS 416 / 125
.~.~ Individual prime mover

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

120  DF  PLURAL IMPELLERS HAVING RELATIVE MOVEMENT OR INDEPENDENT SUPPORTS {5}
124  DF  .~ Coaxial rotation {4}
125.~.~ Individual prime mover

DEFINITION

Classification: 416/125

(under subclass 124) Apparatus wherein the impellers are each driven by a separate power sources.