LandOfFree - US Patents - Listing for Boring or penetrating the earth,Processes,Boring curved or redirected bores

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High pressure internal sleeve for use with easily drillable...

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Reexamination Certificate

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Hinged conductor casing for deviated driving and method therefor

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Horizontal drilling method and apparatus

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Hybrid rotary steerable system

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Reexamination Certificate

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Hydraulic drilling apparatus and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Hydraulic drilling apparatus and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Hydraulic drilling method with penetration control

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Hydraulic fluid coupling

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Reexamination Certificate

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Hydraulic piston-effect method and apparatus for forming a bore

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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Hydraulic straight hole drill collar

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Patent

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