US PATENT SUBCLASS 417 / 129
.~.~.~ With intermediate electrical actuating means

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
118  DF  .~ Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber {7}
126  DF  .~.~ With float actuated control means {5}
129.~.~.~ With intermediate electrical actuating means

DEFINITION

Classification: 417/129

(under subclass 126) Apparatus wherein the flow to or from the pumping chamber of the motive fluid or of the fluid which is pumped is controlled by said buoyed means through an electrical actuating means.