US PATENT SUBCLASS 417 / 420
.~.~ Pump magnetically coupled to rotary drive

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
410.1  DF  .~ Electric or magnetic motor {10}
420.~.~ Pump magnetically coupled to rotary drive

DEFINITION

Classification: 417/420

Apparatus under subclasses 410.1+ in which there is provided a rotary magnetic driving element and a rotary magnetic driven element formed by or connected to the pumping member, the power being transmitted from the driving to the driven element by the magnetic attraction therebetween.