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

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

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

Drill bit cutting array having discontinuities therein

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

Drill bit cutting element

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

Drill bit cutting element with cooling channels

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

Drill bit for drilling rock

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

Drill bit having chip breaker polycrystalline diamond compact an

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

Drill bit having combined positive and negative or neutral rake

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

Drill bit having diamond film cutting elements

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

Drill bit having diamond impregnated inserts primary cutting...

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

Drill bit having diamond impregnated inserts primary cutting...

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

Drill bit having enhanced cutting structure and stabilizing feat