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

Spade drill bit construction

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

Split blade rotary drag type drill bits

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

Stability enhanced drill bit and cutting structure having zones

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

Stabilizing drill bit

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

Stabilizing drill bit with improved cutting elements

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

Steel body rotary drill bits including support elements...

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

Steel-bodied bit

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

Steel-bodied bit

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

Stepped polycrystalline diamond compact insert

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

Stiffened blade for shear-type drill bit

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

Stress related placement of engineered superabrasive cutting ele

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

Stress related placement of engineered superabrasive cutting ele

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

Stress related placement on engineered superabrasive cutting ele

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

Stress relief feature on PDC cutter

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

Stress-reduced superhard cutting element

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

Stress-relieved diamond inserts

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

Structure for polycrystalline diamond insert drill bit body

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

Stud design for drill bit cutting element

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

Superabrasive compact with selected interface and rotary...