4. Pipe joints or couplings
  5. With lubrication

David C. Riggs

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Elastomeric subsea flex joint and swivel for offshore risers

Pipe joints or couplings – With lubrication
Patent

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Offshore pipe string system and method

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Reexamination Certificate

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Riser connector

Wells – Submerged well – Means removably connected to permanent well structure
Reexamination Certificate

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Riser connector

Wells – Submerged well – Means removably connected to permanent well structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1505551

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