4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Internally threaded fastener element, e.g., nut, etc.
  6. Multipart

Hedley Purvis Limited

Corporate Assignee

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Details

Corporate Assignee

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Hydraulic bolt tensioner

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

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Hydraulic torque wrench

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

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Pipe testing apparatus

Pipes and tubular conduits – With closures and plugs – Test plugs
Reexamination Certificate

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Quick-fastening nut

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent

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Torque wrench

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

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Profile ID: LFUS-PAI-P-258009

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