US PATENT SUBCLASS 417 / 149
.~.~.~ With pressure generator

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}
148  DF  .~.~ With vacuum generator {1}
149.~.~.~ With pressure generator

DEFINITION

Classification: 417/149

(under subclass 148) Apparatus including a pump means (i.e., pressure generator), to supply pumping fluid to said pumping chamber.