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

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

Bit design for a rotating bit incorporating synthetic polycrysta

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

Bit for drilling holes in rocks

Boring or penetrating the earth – Bit or bit element – Adjustable cutter element

Bit for subterranean drilling fabricated from separately-formed

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

Bit gage hardfacing

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

Bit leg and cone hardfacing for earth-boring bit

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

Bit leg outer surface hardfacing on earth-boring bit

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

Bit of circular cross-section

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

Bit retention system

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

Bit, nozzle, cutter combination

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

Bits and cutting structures

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

Bits and cutting structures

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

Bits and cutting structures

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

Blade edge structure for core drill

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

Blade edge structure for core drill

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

Blade-equipped drilling tool, incorporating secondary cutting ed

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

Bladed drill bit with centrally distributed diamond cutters

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

Blast furnace taphole drill

Boring or penetrating the earth – Bit or bit element – Noncutting portion forwardly of cutting portion

Blast hole grooving bit and wear resistant compact

Boring or penetrating the earth – Bit or bit element – Noncutting portion forwardly of cutting portion

Blockless reamer