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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.