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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet
Patent

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Cutting elements for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements of gage row and first inner row of a drill bit

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting elements of gage row and first inner row of a drill bit

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting elements of gage row and first inner row of a drill bit

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

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Cutting elements of gage row and first inner row of a drill bit

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

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Cutting elements with binderless carbide layer

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

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Cutting elements with enhanced stiffness and arrangements thereo

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Cutting elements with improved cutting element interface...

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting elements with increased toughness and thermal...

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

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Cutting elements with interface having multiple abutting...

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting insert and milling cutter with such a cutting insert

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate

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Cutting insert for percussion drill bit

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Reexamination Certificate

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Cutting insert for roof drill bit

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Patent

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