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

Variable length three-cone rock bit nozzles

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

Variable orientation nozzles for earth boring drill bits,...

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

Variable wear pad for crossflow drag bit

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

Varied pitch rotary rock bit

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

Vibration and erosion resistant nozzle

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

Volume and pressure balanced rigid face seal for rock bits

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

Vortex drill bit

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

Water jet cutting nozzle transition section

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

Wear compensating rock bit insert

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

Wear resistant composite insert and boring tool with insert

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

Wear resistant cutter insert structure and method

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Wear resistant drill bit

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

Web cutter

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

Wedge tooth cutter element for drill bit

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

Well casing window mill

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

Well drilling bit

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

Well jet device and the operating method thereof

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

Well perforation device

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

Well stimulation tool and method for inserting a...