4. Boring or penetrating the earth
  5. Automatic control
  6. Of boring means including a below-ground drive prime mover

Canrig Drilling Technology Ltd.

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Directional drilling control

Boring or penetrating the earth – Automatic control – Of boring means including a below-ground drive prime mover
Reexamination Certificate

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Drilling method and apparatus

Boring or penetrating the earth – Automatic control – Of boring means including a below-ground drive prime mover
Patent

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Modular top drive

Boring or penetrating the earth – With above-ground means to feed tool
Reexamination Certificate

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Oilfield tubular spin-in and spin-out detection for...

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Oilfield tubular torque wrench

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1959320

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