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

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

Method and apparatus for supporting the wall of an upwardly exca

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

Method and apparatus for the advancing of a sliding form

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

Method and apparatus for the production of underground pipelines

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

Method and apparatus for tunnel lining

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

Method and apparatus for tunnelling

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

Method and arrangement for concreting vertical shafts

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

Method and device for building in the ground vertical walled str

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

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

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

Method and device for distributing pumpable thick matter into se

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

Method and device for driving a tunnel

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

Method and device for installing a shaft lining in shafts throug

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

Method and device for removing resilient gallery lining frames i

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

Method and device for stabilizing a cavity excavated in...

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

Method and device for stabilizing a cavity excavated in...

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

Method and device for underwater modular crossing construction

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

Method and equipment for ventilating underground workings

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

Method and machine for constructing shafts

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

Method and structural elements for construction underground gara

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

Method and system for encasing an endless, laid pipeline...