US PATENT SUBCLASS 366 / 176.4
.~.~.~ Adjustable pressure regulator

Current as of: June, 1999
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366 /   HD   AGITATING

150.1  DF  HAVING SPECIFIED FEED MEANS {16}
176.1  DF  .~ Pump forces material through restriction (e.g., static emulsifier) {2}
176.3  DF  .~.~ Piston pump {1}
176.4.~.~.~ Adjustable pressure regulator

DEFINITION

Classification: 366/176.4

Adjustable pressure regulator:

(under subclass 176.3) Subject matter wherein the narrow restriction is within a chamber and the pressure within the chamber may be changed by adjustable means for maintaining a desired pressure (e.g., a regulator valve).