LandOfFree - US Patents - Listing for Boring or penetrating the earth,With below-ground tool drive prime mover

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Tubular actuator component for use in a drill string

Boring or penetrating the earth – With below-ground tool drive prime mover – With positive connection between tool and support shaft for...

Patent

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Tunneling machine for boring a side drift

Boring or penetrating the earth – With below-ground tool drive prime mover – With below-ground feed means

Patent

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Turbine drill for drilling at great depths

Boring or penetrating the earth – With below-ground tool drive prime mover – Below-ground storage of motivating energy

Patent

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Turbo-coring device equipped with a following pipe

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Turbodrill

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Turbodrill with a reduced drilling fluid pressure on a floating

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Turbodrill with asymmetric stator and rotor vanes

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Reexamination Certificate

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Turbodrills

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Two way earth boring fluid motor

Boring or penetrating the earth – With below-ground tool drive prime mover – With above-ground means

Patent

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Variable linkage assisted gripper

Boring or penetrating the earth – With below-ground tool drive prime mover – With means to anchor prime movers support to bore wall

Reexamination Certificate

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Versatile fluid motor and pump

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Water drill

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Water separator for a down hole drill

Boring or penetrating the earth – With below-ground tool drive prime mover – Discharge passage for motive fluid directed toward bore...

Patent

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Well drilling apparatus

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling assembly

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling collars

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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