LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,With fluid conduit lining or element

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

Mill

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

Novel rotary drill bits and drilling process

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

Nozzle assembly for rotary drill bit and method of installation

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

Nozzle for rotary bit

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

Orientable fluid nozzle for drill bits

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

Overburden eliminator rock drill bit

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

Percussion drill bit

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

Rock bit

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

Rock bit for a down-the-hole drill

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

Rock bit with offset tool port

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

Rock drill bit

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

Rock drill bit

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

Rock drill bit

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

Rotary bit with gageless waist

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

Rotary drag bit with enhanced hydraulic and stabilization...

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

Rotary drill bit

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

Rotary drill bit

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

Rotary drill bit

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

Rotary drill bit