Earth boring apparatus

Earth boring apparatus for sinking shafts and method of...

Earth boring machine and method

Earth discharging device for upward-facing shield machine

Earth duct tunnel enlargement apparatus and method

Elevator rail mounting bracket

Elongate compression bearing member

Elongate mine prop

Elongate mine support

Engagement head for tensioning assembly

Engineering of reinforced concrete structures, such as...

Equipment for use in mines and method of use

Excavating apparatus

Excavating device

Excavating machine

Excavating tools for releasing rock, minerals and the like...

Excavation machine

Expandable rock bolt and rock bolting system

Expansion anchor assembly including a yielding member

Expansion anchor having an elliptically shaped expanding...