4. Seal for a joint or juncture
  5. Seal for well apparatus
  6. For below ground apparatus

Robert G. Upton

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Composite seal for rotary cone rock bits

Seal for a joint or juncture – Seal for well apparatus – For below ground apparatus
Patent

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Composite seal for rotary cone rock bits

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

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Insert retention and cooling apparatus for drag bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet
Patent

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Profile ID: LFUS-PAI-P-722235

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