Laser-based controller for adjusting the height of a...
Long range multiple point wireless control and monitoring system
Long-wall mining machine with a working chain
Longwall mining machine with haulage motor sensed pressure contr
Longwall mining machine with pivotal body adjustment
Longwall shearer tracking system
Longwall support control for controlling the movements of...
Means for controlling feed of particulate material into airlift
Metal detector for a milling machine
Method and apparatus for controlling a tunneling machine
Method and apparatus for controlling a tunneling machine
Method and apparatus for controlling water sprays of an undergro
Method and apparatus for cutting a trench through rock-like mate
Method and apparatus for excavating a tunnel or gallery face
Method and apparatus for increasing the efficiency of highwall m
Method and apparatus for mining
Method and apparatus for remote self-propelled conveying in...
Method and apparatus for securing mining machines employed on in
Method and apparatus for sensing coal-rock interface
Method and apparatus for steering a mining machine cutter