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

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

Streamlined mill-toothed cone for earth boring bit

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

Stressed relieved bit leg for an earth boring bit

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

Superabrasive cutting elements for rotary drag bits...

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 – 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 – 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 – 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 – 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

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 polycrystalline diamond element and...

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

Three cone rock bit

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

Three disc drill bit

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

Three-cone rock bit with multi-ported non-plugging center...

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

Thrust bearing and cone locking assembly for rock drill bit