LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Underground passageway, e.g., tunnel,Boring

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Material and method for lubricating the metal surfaces of an...

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Reexamination Certificate

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Mechanism and method for continuously constructing reinforced co

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for advancing cylindrical bodies undergroun

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for advancing cylindrical bodies undergroun

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for constructing underground structure

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for continuous production of quick-setting

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for continuously boring and lining tunnels

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for continuously boring and lining tunnels

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for continuously excavating shaft and tunne

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for controlling attitude of shield excavato

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for detecting collapse of natural ground in

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for formation of a tunnel lining

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for grouting of tunnel liners

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for modifying the cross-sectional profile o

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for the advancing of a sliding form

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and apparatus for tunnelling

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and device for controlling the trajectory of a shield-typ

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and device for distributing pumpable thick matter into se

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method and device for driving a tunnel

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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Method for boring hole in the ground and apparatus therefor

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Patent

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