US PATENT SUBCLASS 137 / 247.39
.~.~.~ Distinct seal bowl in flow line connected casing

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

247  DF  WITH LIQUID VALVES OR LIQUID TRAP SEALS {3}
247.11  DF  .~ Liquid seal in liquid flow line; flow liquid forms seal {8}
247.35  DF  .~.~ Submerged inlet pipe end {2}
247.39.~.~.~ Distinct seal bowl in flow line connected casing

DEFINITION

Classification: 137/247.39

(under subclass 247.35) Seals wherein the chamber comprises a distinct overflow seal bowl within a flow line connected closed casing.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

247, for devices of similar structure including separation means.