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

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

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

System for lubricating the bearings of cutting rollers of a roll

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

System, method and cutterhead for dry full-area drilling

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

System, method, and apparatus for predicting tracking by...

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

Taper lock removable stem for raise bit

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

Thermally stable diamond brazing

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

Thermally stable polycrystalline diamond cutting elements...

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

Thermally stable polycrystalline diamond drill bit

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

Thermally stable ultra-hard material compact construction

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

Thermally stable ultra-hard material compact construction

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

Thermally stable ultra-hard material compact construction