Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B66
HOISTING; LIFTING; HAULING
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B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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5/00
Applications of checking, fault-correcting, or safety devices in elevators
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B66B5/0006
Monitoring devices or performance analysers
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B66B5/0018
Devices monitoring the operating condition of the elevator system
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B66B5/0031
for safety reasons
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