81888 ⎘
Applications of checking, fault-correcting, or safety devices in elevators Devices enhancing safety during maintenance
Sub-classes:PROTECTIVE ROOF WITH AN ADJUSTABLE WIDTH AND DEPTH FOR INSTALLING IN AN ELEVATOR SHAFT
#2ELEVATOR SAFETY SYSTEM
#3Compensation guide, counterweight screen, elevator and method
#4Elevator shaft access safety device and method of using the same
#5Elevator sensor array system
#6Elevator door bypass device
#7Elevator access systems for elevators
#8Elevator safety system and method of operating an elevator system
#9REMOVABLE CAR OPERATING PANEL
#10Service alarm device for warning if an elevator safety device is not activated
#11Battery-assisted safety circuit monitoring system
#12Elevator system using dynamic braking
#13Brake assembly for an elevator
#14Safety arrangements for elevators and methods for monitoring safety of elevator systems
#15Passive detection of persons in elevator hoistway
#16Locking apparatus to prevent movement of an elevator car
#17Elevator governor device