4. Implements or apparatus for applying pushing or pulling force
  5. Apparatus for hauling or hoisting load, including driven...
  6. With rotatable, cable contacting, pulley wheel element...

Martin H. McGuffin

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Casing centering tool assembly

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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Hydraulic blowout preventer lifter

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – With rotatable – cable contacting – pulley wheel element...
Patent

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Profile ID: LFUS-PAI-P-158145

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