Backup position signaling in an elevator

Ball screw elevator drive system

Battery changing system for electric battery-powered vehicles

Bed transporting apparatus

Between landing car door safety lock

Bi-elevational platform lift

Boat hoist

Boat lift with articulating arm

Brake catching device for elevator car and counterweight

Brake control system in elevator control apparatus

Brake unit for an elevator hoist apparatus

Braking apparatus for elevator cage

Braking device for elevator winding machine and elevator using t

Braking system for a linear motor driven elevator

Bridging bar attachment means for bi-elevational platform lift

Buffer device for elevator

Building construction lift apparatus

Bumper guide assembly for elevator doors