4. Pipe joints or couplings
  5. With casing, lining or protector

Benoit Duquesne

Inventor

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External protection for expandable threaded tubular connections

Pipe joints or couplings – With casing – lining or protector
Reexamination Certificate

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Production by plastic expansion of a sealed tubular joint...

Pipe joints or couplings – Deformed – Outwardly expanded
Reexamination Certificate

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Sealed tubular joint comprising local and initial added...

Pipe joints or couplings – Deformed – Outwardly expanded
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2229980

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