US PATENT SUBCLASS 62 / 307
.~ Submerged gas inlet

Current as of: June, 1999
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62 /   HD   REFRIGERATION

304  DF  MATERIAL COOLING MEANS INCLUDING GAS-LIQUID CONTACTOR {9}
307.~ Submerged gas inlet {1}
308  DF  .~.~> Drop tube type

DEFINITION

Classification: 62/307

(under subclass 304) Apparatus including a gas inlet submerged in a body of liquid.

SEE OR SEARCH CLASS

261, Gas and Liquid Contact Apparatus,

121+, for such device wherein a gas is injected into a body of liquid but having no means for cooling the liquid container or features peculiar to the manufacture of a congealed product (ice), and subclass 153 for a heated or cooled container for a gas exposed liquid body.