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

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

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

Drag bit with utility blades

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

Drag-type casing mill/drill bit

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

Drill bit

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

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

Drill bit with adjustable steering pads

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

Drill bit with improved steerability

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

Drill bit with protruding insert stabilizers

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

Drill bit with selectively-aggressive gage pads

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

Earth boring apparatus and method offering improved gage...

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

Interchangeable bearing blocks for drill bits, and drill...

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

Motor bit system

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

Rotary drill bits

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

Rotary drill bits employing tandem gage pad arrangement

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

Rotary drill bits for directional drilling employing tandem...

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

Rotary-type earth boring drill bit, modular bearing pads...

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

Side cutting gage pad improving stabilization and borehole...

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

Side cutting gage pad improving stabilization and borehole...

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

Stabilizing system and methods for a drill bit