4. Seal for a joint or juncture
  5. Seal between relatively movable parts
  6. Relatively rotatable radially extending sealing face member

Grant Oil Tool Company

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High and low pressure seal

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

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Removable packer and tesnion slip assembly

Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent

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