US PATENT SUBCLASS 417 / 119
.~.~ Motive fluid pumped by contact with a liquid

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}
119.~.~ Motive fluid pumped by contact with a liquid

DEFINITION

Classification: 417/119

(under subclass 118) Apparatus having a pump means to supply or exhaust the gas, said pump means comprising means to utilize a body of liquid, which body of liquid is in contact with the gas, to compress or expand said gas.