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

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Antifouling wall structure for use in pipe and method of constru

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

Patent

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Apparatus and method for pipeline renovation

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

Patent

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Apparatus for distributing concrete, especially in the shutterin

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

Patent

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Apparatus for producing a wall

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

Patent

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Arcuate precast tunnel lining segments

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

Patent

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Arrangement for transmitting force from a sheet made of polymer

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

Patent

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Cast concrete element for underground tubular structure

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

Patent

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Collapsible tunnel liner section and method of lining a tunnel

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

Patent

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Collapsible tunnel liner section and method of lining a tunnel

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

Patent

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Construction of tunnels or pipes for use in civil engineering wo

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

Patent

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Continuous gallery construction, in particular for underground m

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

Patent

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Continuous method of realization of works underground,...

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

Reexamination Certificate

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Corner area for tubbing seals

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

Patent

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Corrugated structural panels

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

Patent

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Device for joining two members together

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

Patent

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Device for laying and suspending cables

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

Patent

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Device for limiting stresses in particular for buried tubular st

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

Patent

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Device for the mutual support of two construction members

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

Reexamination Certificate

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Driving process of enlarged tunnel

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

Patent

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Element for tunnel-type metal shuttering

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

Patent

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