4. Material or article handling
  5. Well pipe or rod racking mechanism
  6. Vertical rack

Rod Duncan

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Automated pipe racking process and apparatus

Material or article handling – Well pipe or rod racking mechanism – Vertical rack
Reexamination Certificate

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Cylindrical mandrel

Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent

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Mandrel

Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent

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Mandrel square 2-position

Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent

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Milling machine

Abrading – Precision device or process - or with condition responsive... – By optical sensor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2750127

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