4. Pipe joints or couplings
  5. Convertible

Donald C. Cameron

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Adjustable cement head manifold

Wells – With below and above ground modification – Head for tool – piston or cleaner
Patent

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Foamed slurry generator

Agitating – By injecting gas into mixing chamber
Patent

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Frangible pressure relief disc assembly and positive displacemen

Pumps – With condition responsive pumped fluid control – Bypass or relief valve part carried by or carries...
Patent

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Packing assembly for use in a plunger bore

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Pipe union for cryogenic fluids

Pipe joints or couplings – With assembly means or feature – Guide
Patent

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Profile ID: LFUS-PAI-P-960360

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