4. Pumps
  5. Motor driven
  6. Fluid motor

Edmund C. Cunningham

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Hydraulic submersible insert rotary pump and drive assembly

Pumps – Motor driven – Including means for facilitating assembly or disassembly of...
Reexamination Certificate

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Hydraulic submersible pump for oil well production

Pumps – Motor driven – Fluid motor
Patent

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Profile ID: LFUS-PAI-P-728785

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