Advance method and apparatus for mining
Apparatus for and a method of storing and transporting lining se
Bore hole mining
Coal mining apparatus and method
Coal mining method at a long-walled pit face of the coal mine
Continuous mining apparatus and method
Continuous mining linear advance system
Continuous mining machine with roof supporting apparatus and met
Continuous roof support system for tunnel boring
Contour miner
Control of subsidence during underground gasification of coal
Equipment for shortwall mining useful for extraction of pillars
Equipment useful for winning ores particularly coal in longwall
Gaining access to very deep coal seams by carrying explosive in
Heat added to underground cemented fill to obtain both early...
Longwall mining of thick underground mineral seams
Longwall mining of trona with prefracturing to prevent slabbing
Longwall mining system
Longwall mining with chain pillar recovery
Longwall trench mining system