Inventor · disambiguated record
Ezhil Nanjappan
Also filed as: NANJAPPAN EZHIL
21 granted patents·1 pending application·294 citations·filing 2016–2020
95Inventor score
Files withOTIS ELEVATOR CO22
Top patents by PatentIndex Score
22 records- 0195USD817339SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 8, 2018·68 cites·1 claims
- 0295USD817351SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 8, 2018·75 cites·1 claims
- 0390US11518650B2Variable thresholds for an elevator systemOTIS ELEVATOR CO·Filed 2018·Granted Dec 6, 2022·3 cites·18 claims
- 0489USD819056SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 29, 2018·35 cites·1 claims
- 0585USD872107SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2018·Granted Jan 7, 2020·19 cites·1 claims
- 0684USD817349SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 8, 2018·25 cites·1 claims
- 0783US11029810B2Equipment service graphical interfaceOTIS ELEVATOR CO·Filed 2018·Granted Jun 8, 2021·2 cites·18 claims
- 0879US10906776B2Work area technician warning systemOTIS ELEVATOR CO·Filed 2017·Granted Feb 2, 2021·1 cites·17 claims
- 0978USD819070SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 29, 2018·18 cites·1 claims
- 1078USD817350SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted May 8, 2018·18 cites·1 claims
- 1176US10414629B2Mechanical system service toolOTIS ELEVATOR CO·Filed 2018·Granted Sep 17, 2019·1 cites·14 claims
- 1276US10217345B1Safety headwear status detection systemOTIS ELEVATOR CO·Filed 2017·Granted Feb 26, 2019·5 cites·16 claims
- 1375US11584614B2Elevator sensor system floor mappingOTIS ELEVATOR CO·Filed 2018·Granted Feb 21, 2023·1 cites·16 claims
- 1464US11330418B2Lone worker safely checkOTIS ELEVATOR CO·Filed 2017·Granted May 10, 2022·1 cites·14 claims
- 1564USD822038SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2016·Granted Jul 3, 2018·10 cites·1 claims
- 1663US10462638B2Lone worker fall detectionOTIS ELEVATOR CO·Filed 2017·Granted Oct 29, 2019·1 cites·12 claims
- 1761USD889479SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2018·Granted Jul 7, 2020·6 cites·1 claims
- 1858US10800635B2Elevator door wedge monitoring systemOTIS ELEVATOR CO·Filed 2017·Granted Oct 13, 2020·0 cites·20 claims
- 1958USD881901SDisplay screen or portion thereof with graphical user interfaceOTIS ELEVATOR CO·Filed 2018·Granted Apr 21, 2020·5 cites·1 claims
- 2055US12157657B2Emergency stop system for elevatorOTIS ELEVATOR CO·Filed 2019·Granted Dec 3, 2024·0 cites·4 claims
- 2150US11724910B2Monitoring of conveyance system vibratory signaturesOTIS ELEVATOR CO·Filed 2018·Granted Aug 15, 2023·0 cites·18 claims
- 2240US2021209006A1Iot data simulator and validatorOTIS ELEVATOR CO·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →