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

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Panel with a fretted transversal section, to be mounted longitud

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

Patent

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Passageway lining material

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

Patent

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Pervious tunnel liner member

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

Patent

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Pipe placement method and apparatus

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

Patent

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Prestressed concrete lining in a pressure tunnel

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

Patent

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Prestressed tunnel lining

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

Patent

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Process and apparatus for continuously lining a tunnel with extr

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

Patent

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Process and device for the assembly of voussoirs for tunnel lini

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

Patent

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Process for cladding substrates and constructions produced...

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

Reexamination Certificate

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Process for lining tunnels

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

Patent

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Process for the protection of galleries

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

Patent

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Process for waterproofing surfaces

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

Patent

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Profiled seal for tunnel segments

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

Patent

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