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

Diederick Bernardus Wijning

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Marine pipelaying system and method for installing an...

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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Marine pipeline installation system and methods

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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Method and apparatus for transporting and running tubulars

Metal working – Method of mechanical manufacture – With testing or indicating
Reexamination Certificate

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Mobile crane

Traversing hoists – Having means facilitating assembly or disassembly – Of counterweight from hoist
Reexamination Certificate

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Multipurpose tower for monohull

Ships – Hatches and covers – Inflatable gaskets
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2199124

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