4. Boring or penetrating the earth
  5. Processes

William R. Trujillo

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Drill bits with enhanced hydraulic flow characteristics

Boring or penetrating the earth – Processes
Patent

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Drill bits with enhanced hydraulic flow characteristics

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

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Drill bits with enhanced hydraulic flow characteristics

Boring or penetrating the earth – Processes
Patent

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Earth-boring drill bits with enhanced formation cuttings removal

Boring or penetrating the earth – Processes
Patent

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Earth-boring drill bits with enhanced formation cuttings...

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element
Reexamination Certificate

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Profile ID: LFUS-PAI-P-347915

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