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

Casting having in-situ cast inserts and method of manufacturing

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

Cavitating jet device

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

Chamfered cutting structure for downhole drilling

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

Chamfered edge gage cutters and drill bits so equipped

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

Chamfered pointed enhanced diamond insert

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

Clamp and insert for clamping drilling tubulars

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

Clamping arrangement

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

Coated cutting tool insert with iron-nickel based binder phase

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

Compact for earth boring bit with asymmetrical flanks and...

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

Composite polycrystalline compact with improved fracture and del

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

Composite polycrystalline cutting element with improved fracture

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

Compound diamond cutter

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

Crowned surface with PDC layer

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

Cutter assemblies and cutting elements for rotary drill bits

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

Cutter assemblies for rotary drill bits

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

Cutter assemblies for rotary drill bits

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

Cutter assembly for rock bits with back support groove

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

Cutter element adapted to withstand tensile stress

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

Cutter for maintaining edge sharpness