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

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Tunnel lining method and apparatus suitable for the purpose

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

Patent

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Tunnel lining process and apparatus therefor

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

Patent

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Tunnel lining rings

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

Patent

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Tunnel lining, segment therefore and method of lining a tunnel

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

Patent

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Tunnel linings

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

Patent

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Tunnel linings

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

Patent

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Tunnel shield structure

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

Patent

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Tunnel wall structure

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

Patent

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Tunnel wall with lining

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

Patent

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Tunnel waterproofing construction method

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

Reexamination Certificate

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Tunnel waterproofing method

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

Reexamination Certificate

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Tunnel-driving and support system

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

Patent

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Tunnel-driving apparatus

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

Patent

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Tunnel-lagging element and system

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

Patent

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Tunneling machine

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

Patent

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Tunnelling

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

Patent

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Tunnelling and tunnel relining equipment

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

Patent

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Tunnelling shields and like moveable apparatus

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

Patent

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Undercut excavation method

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

Patent

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Underground excavator

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

Patent

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