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

Randomly-oriented composite constructions

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

Reduced residual tensile stress superabrasive cutters for earth

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

Reduced residual tensile stress superabrasive cutters for...

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

Reinforced abrasive-impregnated cutting elements, drill bits...

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

Reinforced rotary drill bit

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

Replaceable nozzles for insertion into a drilling bit formed by

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

Rock bit hardmetal overlay and process of manufacture

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

Rock bit with cobalt alloy cemented tungsten carbide inserts

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

Rock bit with vectored inserts

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

Rock drill

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

Rock drill

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

Roller cone drill bit having non-axisymmetric cutting...

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

Rolling cone bit with elements fanned along the gage curve

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

Rolling cone bit with improved wear resistant inserts

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

Rolling cone steel tooth bit with enhancements in cutter shape a

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

Rolling cutter bit with shear cutting gage

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

Rolling cutter drill bits

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

Roof bit and insert assembly

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

Roof bit body and insert assembly