12 Patents
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- US121685922024Determining Elevator Car Location Using Radio Frequency Identification
OTIS ELEVATOR COMPANY
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- US119648462024Elevator Location Determination Based on Car Vibrations or Accelerations
OTIS ELEVATOR COMPANY
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- US117249092023Elevator Car Assignment Based on a Detected Number of Waiting Passengers
OTIS ELEVATOR COMPANY
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- US116737692023Elevator Monitoring Using Vibration Sensors Near the Elevator Machine
OTIS ELEVATOR COMPANY
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