Method and apparatus for saving electrical energy in an hydrauli

Method and apparatus for storing sensed elevator horizontal disp

Method and apparatus for synchronizing a vehicle lift

Method and apparatus for synchronizing a vehicle lift

Method and appartus for the measurement of the load in an elevat

Method and device for controlling a hydraulic lift

Method and device for increased safety in elevators

Method and equipment for the evacuation of lift passengers

Method for controlling a braking unit of a rope transport...

Method for controlling rescue operation of elevator car...

Method for energy storage for DC motor powered load hoisting...

Method for reducing rope sway in elevators

Method for solving a multi-goal problem

Method for vibration damping at an elevator car

Method for vibration damping at an elevator car

Method of elevating a three-dimensional workpiece

Method of elevating a workpiece

Methods and apparatus for preventing undue wear of elevator actu

Mobile hoist system and method

Mobile lifting device for the disabled