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OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #421,503 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11724916 Interlock assembly for elevator door and elevator system Meihong Mao, Fei Long, Yaxin Zhang 2023-08-15