LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,With bit guide or bore wall compacting device

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Device for boring

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drag bit with steel shank and tandem gage pads

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Patent

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Drag bit with utility blades

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

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Drag-type casing mill/drill bit

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

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Drill bit

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drill bit having the ability to drill vertically and laterally

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

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Drill bit with adjustable steering pads

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

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Drill bit with improved steerability

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Patent

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Drill bit with protruding insert stabilizers

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Patent

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Drill bit with selectively-aggressive gage pads

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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