4. Boring or penetrating the earth
  5. Bit or bit element
  6. Rolling cutter bit or rolling cutter bit element
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Ultra hard insert cutters for heel row rotary cone rock bit appl

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Ultra hard insert cutters for heel row rotary cone rock bit appl

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Ultrahard composite constructions

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Uninterrupted drill bit

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Unitized rotary rock bit

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Unitized seal for severe service applications

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Unsegmented rotary rock bit structure and hydraulic fitting

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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