US PATENT SUBCLASS 210 / 220
.~.~ Submerged fluid inlet

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

198.1  DF  WITH MEANS TO ADD TREATING MATERIAL {5}
209  DF  .~ Directly applied to separator {5}
220.~.~ Submerged fluid inlet {1}
221.1  DF  .~.~.~> With outlet at surface, e.g., froth flotation, etc. {1}

DEFINITION

Classification: 210/220

(under subclass 209) Apparatus in which the exit from the additional fluid introducing means is submerged in the liquid being treated.

SEE OR SEARCH CLASS

43, Fishing, Trapping, and Vermin Destroying,

56+, for minnow buckets having aerating means.

261, Gas and Liquid Contact Apparatus,

121+, for submerged blast liquid and gas contact devices.