4. Wells
  5. With eduction pump or plunger
  6. Receptacles

Harry L. Spears

Inventor

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Details

Inventor

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Downhole tool for use with a ball and seat traveling valve for a

Wells – With eduction pump or plunger – Receptacles
Patent

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Fluid pump

Pumps – Expansible chamber type – Mechanically actuated distributor
Patent

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Fluid pump

Pumps – Expansible chamber type – Relatively movable serial distributors
Patent

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Fluid pump

Pumps – Expansible chamber type – Relatively movable serial distributors
Patent

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Safety check valve

Fluid handling – Destructible or deformable element controlled – Destructible element
Patent

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Profile ID: LFUS-PAI-P-314590

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