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 with rows of cutters mounted to present a serrated cut

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

Drill bit with rows of cutters mounted to present a serrated...

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Drill bit with selectively-aggressive gage pads

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Drill bit with self cleaning nozzle

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

Drill bit with shrouded cutter

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

Drill bit with suction jet means

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

Drill bit with suction jet means

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

Drill bit with suction jets

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Drill bit with vibration stabilizers

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Drill bit, hard member, and bit body

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

Drill bit, system, and method for drilling a borehole in an...

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Drill bits

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

Drill bits

Boring or penetrating the earth – Bit or bit element – Core forming type

Drill bits

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Drill bits and blades therefor

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

Drill bits and drilling tools including abrasive...

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

Drill bits and other articles of manufacture including a...

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

Drill bits and the blades therefor

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

Drill bits and tools for subterranean drilling