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

Sverre Caspersen

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Gun cable termination

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Pulling and connecting tool for subsea conduits

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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Subsea tool for tie in of pipeline ends

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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Profile ID: LFUS-PAI-P-1094401

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