Inventor
NANJAPPAN EZHIL
US21 patents
Patents
21 patentsUSD817339SMay 8, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO68 citations97
USD817351SMay 8, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO75 citations97
USD872107SJan 7, 2020
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO19 citations93
USD819070SMay 29, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO18 citations93
USD819056SMay 29, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO35 citations93
USD817349SMay 8, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO25 citations93
USD817350SMay 8, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO18 citations93
USD889479SJul 7, 2020
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO6 citations83
USD881901SApr 21, 2020
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO5 citations83
USD822038SJul 3, 2018
Display screen or portion thereof with graphical user interface
OTIS ELEVATOR CO10 citations83
US11518650B2Dec 6, 2022
Variable thresholds for an elevator system
OTIS ELEVATOR CO3 citations72
US11029810B2Jun 8, 2021
Equipment service graphical interface
OTIS ELEVATOR CO2 citations72
US10217345B1Feb 26, 2019
Safety headwear status detection system
OTIS ELEVATOR CO5 citations68
US11584614B2Feb 21, 2023
Elevator sensor system floor mapping
OTIS ELEVATOR CO1 citations62
US11330418B2May 10, 2022
Lone worker safely check
OTIS ELEVATOR CO1 citations62
US10906776B2Feb 2, 2021
Work area technician warning system
OTIS ELEVATOR CO1 citations62
US10462638B2Oct 29, 2019
Lone worker fall detection
OTIS ELEVATOR CO1 citations62
US10414629B2Sep 17, 2019
Mechanical system service tool
OTIS ELEVATOR CO1 citations62
US12157657B2Dec 3, 2024
Emergency stop system for elevator
OTIS ELEVATOR CO0 citations52
US11724910B2Aug 15, 2023
Monitoring of conveyance system vibratory signatures
OTIS ELEVATOR CO0 citations51
US10800635B2Oct 13, 2020
Elevator door wedge monitoring system
OTIS ELEVATOR CO0 citations51