US PATENT SUBCLASS 417 / 264
.~.~.~ Fluid motor driven

Current as of: June, 1999
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417 /   HD   PUMPS

244  DF  SUCCESSIVE STAGES {8}
254  DF  .~ Reciprocating rigid stages {8}
259  DF  .~.~ Including valved piston {5}
264.~.~.~ Fluid motor driven

DEFINITION

Classification: 417/264

(under subclass 259) Apparatus in which the pumping units are driven by a motor of the type which includes a movable working member which is motivated by a fluid.