136027 ⎘
Tunnels or galleries, with or without linings; Methods or apparatus for making thereof ; Layout of tunnels or galleries; Devices for removing or hauling away excavated material or spoil; Working or loading platforms; Loading devices or installations Loader-conveyors with gathering arms
Tunneling and mining method using pre-conditioned hole pattern
#2Projectile augmented boring system
#3Mining machine with articulating boom and independent material handling system
#4Loading arm assembly and method of use
#5Loading arm with wear resistant end, mining equipment using the arm, and method of use
#6Projectile drilling system