4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Responsive to torque on work

William E. Coyle, Sr.

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Casing scraper and method for making the same

Wells – Brushing – scraping – cutting or punching-type cleaners – On tubing or casing
Patent

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Dual string elevators

Handling: hand and hoist-line implements – Grapple – Socket and slip wedge
Patent

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Dual string spider

Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent

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Power chain wrench

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

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Power tongs and control system

Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Patent

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Profile ID: LFUS-PAI-P-1008748

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