US PATENT SUBCLASS 417 / 300
.~ Fluid flow rate responsive

Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
300.~ Fluid flow rate responsive

DEFINITION

Classification: 417/300

(under subclass 279) Apparatus in which the fluid flow control means is operated in response to the volume of fluid flowing through the pump or changes in the volume of fluid flowing through the pump.