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

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

Drill bit having a flush-out port

Boring or penetrating the earth – Bit or bit element – Symmetrical forked rotary type

Drill bit having a plurality of teeth

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

Drill bit having a thrust bearing heat sink

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

Drill bit having adjustable total flow area

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

Drill bit having an improved seal and lubrication method...

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

Drill bit having angled nozzles

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

Drill bit having angled nozzles for improved bit and well bore c

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

Drill bit having angled nozzles for improved bit and well bore c

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

Drill bit having canted seal

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 – Forked rotary nontracking

Drill bit having combined positive and negative or neutral rake

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Drill bit having cutting elements with heat removal cores

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 – Magnetized or with magnet

Drill bit having diamond film cutting surface

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 – Rolling cutter bit or rolling cutter bit element

Drill bit having dual split bushings for cutter support and rete

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

Drill bit having enhanced cutting structure and stabilizing feat