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

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

Holding body to attach a sealing foil of synthetic material to a

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

Horizontal drilling method

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

Horizontal drilling method and apparatus

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

Hydraulic control means

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

Hydraulic control means

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

Hydraulic control systems for and methods of controlling the ope

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

Hydraulically powered door and systems for operating same in...

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

Inflatable underground structure liner

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

Inspectable tunnel for underground pipes and cables

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

Insulated tunnel liner and rehabilitation system

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

Insulating tunnel liner system

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

Insulation of tunnel linings

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

Junction seal between a liner of an underground structure...

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

Knife shield

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

Knife shield driving device and method for the excavating and/or

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

Lined rock cistern or tunnel

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

Liner for large diameter borehole

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

Lining element for a drilled tunnel

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

Lining of pipelines and passageways