Ezhil Nanjappan — 21 Patents at Otis Elevator

Ezhil Nanjappan has been granted 21 US patents while listed as an inventor at Otis Elevator. The first was granted in 2018 and the most recent in December 2024. Ezhil Nanjappan ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Ezhil Nanjappan in Farmington, CT, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date
12157657	Emergency stop system for elevator	Andrew S. Bierer	2024-12-03
11724910	Monitoring of conveyance system vibratory signatures	Tadeusz Pawel Witczak, Craig Drew Bogli, Yrinee Michaelidis	2023-08-15
11584614	Elevator sensor system floor mapping	Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis	2023-02-21
11518650	Variable thresholds for an elevator system	Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke	2022-12-06
11330418	Lone worker safely check	—	2022-05-10
11029810	Equipment service graphical interface	—	2021-06-08
10906776	Work area technician warning system	—	2021-02-02
10800635	Elevator door wedge monitoring system	—	2020-10-13
D889479	Display screen or portion thereof with graphical user interface	—	2020-07-07
D881901	Display screen or portion thereof with graphical user interface	—	2020-04-21
D872107	Display screen or portion thereof with graphical user interface	—	2020-01-07
10462638	Lone worker fall detection	—	2019-10-29
10414629	Mechanical system service tool	—	2019-09-17
10217345	Safety headwear status detection system	Tony Black	2019-02-26
D822038	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-07-03
D819056	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-29
D819070	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-29
D817349	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-08
D817351	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-08
D817350	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-08
D817339	Display screen or portion thereof with graphical user interface	Lara Siopis, Ashley Chapman	2018-05-08

Ezhil Nanjappan — 21 Patents

Issued Patents All Time

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