4. Pipe joints or couplings
  5. With assembly means or feature

Norman A. Nelson

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Locking assembly and a seal assembly for a well

Pipe joints or couplings – With assembly means or feature
Patent

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Ratcheting and threaded well connector

Pipe joints or couplings – With assembly means or feature
Patent

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Recockable well hanger

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate
Patent

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Subsea well completion system and method of operation

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Well suspension assembly

Wells – Expansible anchor or casing
Patent

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Profile ID: LFUS-PAI-P-14272

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