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

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Steel tooth bit with a bi-metallic gage hardfacing

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Steel tooth bit with extra-thick hardfacing

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Steel tooth cutter element with expanded crest

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Steel tooth cutter element with gage facing knee

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Steel tooth drill bit with improved tooth breakage resistance

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 – Rolling cutter bit or rolling cutter bit element

Steep angle raise bit

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Steerable rotary drag bit with longitudinally variable gage aggr

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 – Rolling cutter bit or rolling cutter bit element

Straight hole insert drill bit

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Streamlined mill-toothed cone for earth boring 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