US PATENT SUBCLASS 137 / 210
.~.~.~ Gas carried by or evolved from liquid


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

154  DF  DIVERSE FLUID CONTAINING PRESSURE SYSTEMS {7}
206  DF  .~ Gas pressure storage over or displacement of liquid {5}
209  DF  .~.~ With gas maintenance or application {3}
210.~.~.~ Gas carried by or evolved from liquid {1}
211  DF  .~.~.~.~> Gas injectors


DEFINITION

Classification: 137/210

(under subclass 209) Apparatus in which the gas is derived from a liquid not necessarily the liquid over which the gas acts.

SEE OR SEARCH CLASS

62, Refrigeration,

45.1+, for process and apparatus for handling liquefied gas as a commodity including steps or means involving pressure or temperature control special to liquefied gas and more than required for other liquids under gas pressure.