LandOfFree - US Patents - Listing for Boring or penetrating the earth

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by longitudinally relatively movable...

Underreamer cutter arm

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Underreamer having cutter arm position indication

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by cam or gear axially rotatable...

Underreamer having splined torque transmitting connection betwee

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with cylindrical boss and socket hinge assembly for

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with debris flushing flow path

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with large cutter elements and axial fluid passage

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with ported cam sleeve upper extension

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with revolving diamond cutter elements

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer with turbulence cleaning mechanism

Boring or penetrating the earth – Processes

Underreaming and stabilization tool for use in a borehole...

Boring or penetrating the earth – Processes

Underreaming and stabilizing tool and method for its use

Boring or penetrating the earth – Processes

Underreaming method

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreaming rotary drill

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by longitudinally relatively movable...

Underreaming tool with overriding extended arm retainer

Boring or penetrating the earth – Boring a submerged formation – Boring with submersible vertically movable guide

Undersea drilling template release mechanism and method

Boring or penetrating the earth – Boring a submerged formation – Boring from floating support with submerged independent...

Underwater rock boring apparatus having differential global...

Boring or penetrating the earth – Boring a submerged formation – Boring from floating support with submerged independent...

Underwater well completion method and apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Undisturbed soil sampler

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

Uninterrupted drill bit