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

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

Cutter head, drill bit and similar drilling tools

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Cutter mounting and apparatus and method for a drill bit

Boring or penetrating the earth – Bit or bit element – Noncutting portion forwardly of cutting portion

Cutter mounting extension apparatus

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

Cutter mounting for a large hole earth boring bit

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Cutter mounting for drag bits

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

Cutter of a boring head, hub for the cutter and method of manufa

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

Cutter with complex superabrasive geometry and drill bits so...

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

Cutter with cutter holder for disintegrating of material, partic

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

Cutter with polycrystalline diamond layer and conic section prof

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

Cutters and bits for terrestrial boring

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Cutting and drilling apparatus with threadably attached compacts

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

Cutting apparatus for a microtunnelling system

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

Cutting blank with diamond strips in grooves

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

Cutting component

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

Cutting edge for monobloc drilling tools

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

Cutting element

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

Cutting element

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

Cutting element adapted to be pushed into a recess of a drill bi

Boring or penetrating the earth – Bit or bit element – Adjustable cutter element

Cutting element apparatuses, drill bits including same,...