LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,Specific or diverse material

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

Polycrystalline diamond cutting element

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

Polycrystalline diamond cutting element with diamond ridge patte

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

Polycrystalline diamond materials having improved abrasion...

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

Polycrystalline diamond partially depleted of catalyzing...

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

Polycrystalline diamond partially depleted of catalyzing...

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

Polycrystalline ultra-hard compact constructions

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

Predominantly diamond cutting structures for earth boring

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

Preform cutting elements for rotary drag-type drill bits

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

Preform cutting elements for rotary drill bits

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

Preform elements and mountings therefor

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

Preformed tooth for tooth bit

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

Protective overlay coating for PDC drill bits