4. Measuring and testing
  5. Dynamometers
  6. Responsive to torque

Emery L. Eckel

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Back-up power tongs and method

Measuring and testing – Dynamometers – Responsive to torque
Patent

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Back-up power tongs and method

Measuring and testing – Dynamometers – Responsive to torque
Patent

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Dual-string tubing tong and method

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Power tongs

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Profile ID: LFUS-PAI-P-541568

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