Apparatus and method for continuous mining

Apparatus and method for mapping entry conditions in remote mini

Apparatus and method of shield excavation

Apparatus for automatically adjusting the cutting horizon of a m

Apparatus for automatically shifting the conveyor at the pit fac

Apparatus for controlling the discharge of pressurized liquid fr

Apparatus for controlling the steering mechanism of a mining mac

Apparatus for detecting the state of rotation of cutting...

Apparatus for the mining of mineral matter, especially coal

Apparatus for transmitting data

Apparatus for working deposits by the open-cast working process

Attitude control means of tunnel boring machine shield

Automatic control system and method for a machine used for excav

Automatic excavating machine and method of operating the same

Automatic vein identifying method and follower apparatus for use

Blade control system for concrete cutting apparatus

Characterization of in situ oil shale retorts prior to ignition

Coal face support in a mine

Coal seam discontinuity sensor and method for coal mining appara

Compartmentalized file folder apparatus