4. Wells
  5. Processes
  6. Heating, cooling or insulating

William F. Howard

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Double-acting reciprocating downhole pump

Wells – With eduction pump or plunger – Receptacles
Reexamination Certificate

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Double-acting reciprocating downhole pump

Pumps – Pump fluid biased overcenter load equalizer
Reexamination Certificate

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Gas operated pump for hydrocarbon wells

Wells – Processes – Producing the well
Reexamination Certificate

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Gas operated pump for hydrocarbon wells

Wells – Processes – Producing the well
Reexamination Certificate

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Gas operated pump for hydrocarbon wells

Wells – Processes – Producing the well
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2378108

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