Suresh Dharmaraj — 3 Patents at Otis Elevator

Suresh Dharmaraj has been granted 3 US patents while listed as an inventor at Otis Elevator. The first was granted in 2019 and the most recent in March 2023. Suresh Dharmaraj ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Suresh Dharmaraj in Florence, SC, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11603290	Elevator door interlock assembly	Yunyi Wang	2023-03-14
11155444	Elevator door interlock assembly	Yunyi Wang	2021-10-26
10322910	Elevator door coupler assembly	—	2019-06-18

Suresh Dharmaraj — 3 Patents

Issued Patents All Time

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