4. Material or article handling
  5. Well pipe or rod racking mechanism
  6. With slope change

Robert W. Hisey

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Apparatus for handling a drilling equipment

Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft
Patent

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Castering roller for a drill pipe guide bushing

Cutlery
Patent

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Drill pipe handling and storage apparatus

Material or article handling – Well pipe or rod racking mechanism – With slope change
Patent

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Multi function drill drive system

Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance
Patent

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Profile ID: LFUS-PAI-P-637578

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