4. Pipe joints or couplings
  5. Flexible joint, rigid members
  6. Resilient sleeve type

Hans-Werner Friederich

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Double walled tube with leak display device

Pipes and tubular conduits – Combined – With indicating means
Reexamination Certificate

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Float for buoyant hoses

Buoys – rafts – and aquatic devices – Buoyancy providing attachment for pipe – log – or line
Reexamination Certificate

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Float for floating flexible pipes

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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Method for producing a rotationally symmetric body

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Pivotal link

Pipe joints or couplings – Flexible joint – rigid members – Resilient sleeve type
Patent

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Profile ID: LFUS-PAI-P-361819

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