LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,Cutting edge self-renewable during operation

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Cutting structures for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Drag bit and cutters

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Drilling tool fitted with self-sharpening cutting edges

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Impregnated drill bits with adaptive matrix

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Impregnated rotary drag bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Monolithic self sharpening rotary drill bit having tungsten carb

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Monolithic self sharpening rotary drill bit having tungsten carb

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bit compensating for changes in hardness of...

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bit compensating for changes in hardness of...

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bits

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Rotary drill bits

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Wear resistant drill bit