US PATENT SUBCLASS 62 / 653
.~.~.~.~.~ Flowline pump


Current as of: June, 1999
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62 /   HD   REFRIGERATION

600  DF  CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE {4}
617  DF  .~ Separation of gas mixture {3}
640  DF  .~.~ Air {3}
643  DF  .~.~.~ Distillation {4}
648  DF  .~.~.~.~ Downstream operation {2}
653.~.~.~.~.~ Flowline pump {1}
654  DF  .~.~.~.~.~.~> Liquid oxygen


DEFINITION

Classification: 62/653

Flowline pump:

(under subclass 648) Subject matter wherein the separated constituent is operated on by a pressurizing device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50.6, for liquid handling of liquified gas for a specific pump designed to pump liquified gas.

SEE OR SEARCH CLASS

417, Pumps,

901, for cryogen pumps.