US PATENT SUBCLASS 137 / 625.41
.~.~.~ Rotary valve

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

561 R  DF  SYSTEMS {32}
625  DF  .~ Multi-way valve unit {12}
625.4  DF  .~.~ Multiple inlet with single outlet {1}
625.41.~.~.~ Rotary valve

DEFINITION

Classification: 137/625.41

(under subclass 625.4) Devices comprising a rotary valve.