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

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

Elements faced with super hard material

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

Elements faced with superhard material

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

Elements faced with superhard material

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

Elements faced with superhard material

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

Elements faced with superhard material

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

Elements faced with superhard material

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

Elements faced with superhard materials

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

Encapsulated diamond particles, materials and impregnated...

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

Engineered enhanced inserts for rock drilling bits

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

Engineered enhanced inserts for rock drilling bits

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

Engineered enhanced inserts for rock drilling bits

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

Engineered enhanced inserts for rock drilling bits

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

Enhanced circulation drill bit

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

Enhanced circulation drill bit

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

Enhanced cross-flow with two jet drilling

Boring or penetrating the earth – Bit or bit element – Bit with leading portion forming smaller diameter initial bore

Enhanced offset stabilization for eccentric reamers

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Entrainment fluid channeling device for a down-hole drill...

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Erosion resistant fluid passageways and flow tubes for...

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Erosion resistant rock drill bit