US PATENT SUBCLASS 62 / 70
.~.~.~.~ By injecting

Current as of: June, 1999
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62 /   HD   REFRIGERATION

56  DF  PROCESSES {28}
66  DF  .~ Congealing flowable material, e.g., ice making {5}
68  DF  .~.~ Agitating {1}
69  DF  .~.~.~ Introducing gas, e.g., air {1}
70.~.~.~.~ By injecting

DEFINITION

Classification: 62/70

(under subclass 69) Processes wherein the gas is injected into the agitated material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

304+, particularly 306, for means feeding gas into a pressurized receiver.

307+, for a submerged gas inlet.