4. Implements or apparatus for applying pushing or pulling force
  5. Pipe or rod jack
  6. Tie rod tensioner

Ross D. Randall

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Pipe shearing ram assembly for blowout preventer

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent

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Stud tensioner for blowout preventer

Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Tie rod tensioner
Patent

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Profile ID: LFUS-PAI-P-1494928

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