US PATENT SUBCLASS 417 / 207
BY HEATING OF PUMPED FLUID

Current as of: June, 1999
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417 /   HD   PUMPS

207BY HEATING OF PUMPED FLUID {1}
208  DF  .~> Vapor generator type {1}

DEFINITION

Classification: 417/207

(under the class definition) Apparatus in which a pumping action is obtained by the direct application of heat to the fluid to be pumped.