4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Submerging, raising, or manipulating line of pipe or cable...

Brian MacIntyre

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Emergency suspension system for drill casings

Pipe joints or couplings – Serial,relatively movable portions
Patent

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Positioning components and energizing sealing assemblies therefo

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

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Rotatable sealing assemblies

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

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Tubing hanger incorporating a seal

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-1111680

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