4. Wells
  5. Processes
  6. Assembling well part

Jörn Grotherr

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Device for vertically holding pipes

Handling: hand and hoist-line implements – Grapple – Collar-engaging
Reexamination Certificate

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Dual elevator system and method

Wells – Processes – Assembling well part
Reexamination Certificate

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Hands-free bail-elevator locking device with combined...

Wells – Processes – Assembling well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3077152

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