US PATENT SUBCLASS 166 / 105.1
.~ Having sediment trap or deflector

Current as of: June, 1999
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166 /   HD   WELLS

105  DF  WITH EDUCTION PUMP OR PLUNGER {5}
105.1.~ Having sediment trap or deflector {3}
105.2  DF  .~.~> Carried by reciprocating plunger or plunger rod
105.3  DF  .~.~> Sediment trap formed in pumping chamber
105.4  DF  .~.~> In pump discharge flow path

DEFINITION

Classification: 166/105.1

(under subclass 105) Devices including (1) a device for both separating and collecting sand, earth or other solid impurities from the well fluid which is being or has been moved by the pump or plunger, or (2) a device which acts as a means for diverting or deflecting impurities away from the pump or plunger.

(1) Note. Patents which are disclosed as receptacles for elevating fluid and which may incidently include some earth material are not included here but will be found in subclasses 107+ below.