US PATENT SUBCLASS 417 / 132
.~.~.~.~.~ With control of pumped fluid outlet


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}
130  DF  .~.~.~ Control of motive fluid inlet (e.g., atmosphere, etc.) {1}
131  DF  .~.~.~.~ With control of motive fluid outlet {2}
132.~.~.~.~.~ With control of pumped fluid outlet


DEFINITION

Classification: 417/132

(under subclass 131) Apparatus wherein said buoyed means also controls the pumped fluid ejected from the pumping chamber.