Weak beam detection
Wedge-shaped shoes for elevator arresters using oblique and...
Weighted relative system response elevator car assignment...
Wheel for driving a flexible handrail
Wheel for driving a flexible handrail
Wheel for driving a flexible handrail
Wheel frame for a lift
Wheelchair lift
Wheelchair lift
Wheelchair transfer device for use by the disabled at both...
Winding and haulage equipment
Winding gear of an elevator
Wire rope cleaning method and apparatus
Work carrier lift and transfer mechanism
Work platform system for multi-storey buildings
Zone demand elevator system
Zoned elevator control system including an arrangement for...
Zoned elevator control system including an arrangement for...