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

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

Diamond cutters having modified cutting edge geometry and drill

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

Diamond cutting structure for drilling hard subterranean formati

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

Diamond drag bit cutting elements

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

Diamond enhanced bearing for earth-boring bit

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

Diamond enhanced insert for rolling cutter bit

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

Diamond impregnated bits using a novel cutting structure

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

Diamond sintered compact and a process for the production of the

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

Diamond-bonded bodies and compacts with improved thermal...

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

Diamond-bonded constructions with improved thermal and...

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

Diamond-containing cemented metal carbide

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

Downhole components for use in subsurface drilling

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

Drag-type rotary drill bit

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

Drill bit and button

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

Drill bit and cutter element having a fluted geometry

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

Drill bit and cutter element having aggressive leading side

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

Drill bit and cutter element having chisel crest with...

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

Drill bit and cutter element having chisel crest with...

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

Drill bit and cutting structure having enhanced placement and si

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

Drill bit compact with boron or beryllium for fracture resistanc