4. Implements or apparatus for applying pushing or pulling force
  5. Apparatus for hauling or hoisting load, including driven...
  6. Device includes rotatably driven, cable contacting drum

Bjørn Eilertsen

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Device for preventing pipe buckling

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate

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Drill floor hole

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate

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Method and device for riser tensioning

Wells – Submerged well – Submerged – buoyant wellhead or riser
Reexamination Certificate

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Rotary table

Boring or penetrating the earth – With tool drive prime mover or above-ground mechanical... – Rotary drive for a relatively advancing tool
Reexamination Certificate

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Tower

Implements or apparatus for applying pushing or pulling force – Rack and pinion
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2065692

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