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

Polycrystalline diamond constructions having improved...

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

Polycrystalline diamond constructions having improved...

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

Polycrystalline diamond cutter with enhanced durability

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

Polycrystalline diamond cutter with integral carbide/diamond tra

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

Polycrystalline diamond cutters having modified residual...

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

Polycrystalline diamond cutting element

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

Polycrystalline diamond cutting element

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

Polycrystalline diamond cutting element with diamond ridge patte

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Polycrystalline diamond cutting element with mating recess

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

Polycrystalline diamond insert, drill bit including same,...

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

Polycrystalline diamond materials having improved abrasion...

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

Polycrystalline diamond partially depleted of catalyzing...

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

Polycrystalline diamond partially depleted of catalyzing...

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

Polycrystalline diamond with improved abrasion resistance

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

Polycrystalline ultra-hard compact constructions

Boring or penetrating the earth – Bit or bit element – With helical-conveying portion

Portable handheld drilling apparatus

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

Predominantly diamond cutting structures for earth boring

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

Preform cutting elements for rotary drag-type drill bits

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Preform cutting elements for rotary drill bits