Method and apparatus for operating a driver and an associated nu

Method and apparatus for use in drill string make up

Method and arrangement of controlling of percussive drilling...

Method and device for setting the direction and/or the inclinati

Method and system for distributing programs using tamper...

Method of installing a screw-type anchor

Method of opening joints between drilling components, and...

Mine roof supporting

Motor driven hand-held device containing a displacement mass

Motor-driven hand tool with braking torque device

Motor-driven rotary tool with internal heating temperature...

Motorized hand tool for drilling

Mounting arrangement for impact rock breaker

Multi-core cable connector for power wrench

Multi-section controlled auxiliary fittings to be attached to a

Multi-wall tie apparatus

Multistage solenoid fastening device

Nut runner using induction motor

Optimized high power high energy ignition system

Oscillating mass-based tool with dual stiffness spring