4. Expansible chamber devices
  5. Displacement control of plural cylinders arranged in...
  6. Predetermined discrete incremental adjustment positions

Mark William Mahoney

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Adjustable valve rod and pull tube guide for downhole pumps

Expansible chamber devices – Displacement control of plural cylinders arranged in... – Predetermined discrete incremental adjustment positions
Reexamination Certificate

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Wear rings for downhole pump

Pumps – Expansible chamber type – Fluid serially moved to opposite side of pumping member
Reexamination Certificate

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Wear rings for downhole pump

Pumps – Expansible chamber type – Fluid serially moved to opposite side of pumping member
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2867774

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