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

Superabrasive cutting elements with enhanced durability and...

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

Superabrasive drill bit cutting element with buttress-supported

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

Superabrasive element, and superabrasive compact and drill...

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

Superabrasive materials, methods of fabricating same, and...

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

Superabrasive-tipped inserts for earth-boring drill bits

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

Superhard cutting element having reduced surface roughness and m

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

Superhard cutting element utilizing tough reinforcement posts

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

Superhard cutting structure having reduced surface roughness and

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

Superhard cutting structures for earth boring with enhanced stif

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

Superhard drill bit heel, gage, and cutting elements with...

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

Superhard insert with an interface

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

Superhard material enhanced inserts for earth-boring bits

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

Superhard material enhanced inserts for earth-boring bits

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

Superposed drilling device

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

Surface enhanced polycrystalline diamond composite cutters

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

Surface finish for non-planar inserts

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

Surface geometry for non-planar drill inserts

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

Surface modifications for rotary drill bits

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

Sweep pickup for a big hole bit