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OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #2,508,277 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
12017887 Water detection inside elevator pit Ankit Gupta, Stella M. Oggianu, Arangarajan P, Anup Kumar 2024-06-25