US PATENT SUBCLASS 137 / 600
.~.~ With foam controlling means (e.g., beer, soda faucets)


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

561 R  DF  SYSTEMS {32}
599  DF  .~ Dividing into parallel flow paths with recombining {4}
600.~.~ With foam controlling means (e.g., beer, soda faucets)


DEFINITION

Classification: 137/600

(under subclass 599) Subject matter having a dividing and obstructing member in the flow path to cause and/or control foaming of the fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

896+, for foam controlling devices having plural inlet passages.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

40+, for flow restrictors in pipes.

239, Fluid Sprinkling, Spraying, and Diffusing, 463+, and 552 for sprayer devices having an obstructing element inserted in the fluid line for the purpose of inducing or minimizing rotation of the fluid.

251, Valves and Valve Actuation,

118+, for valved flow passages having a restrictor in the

flow passage.