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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yan Chen — 1 Patent in 2018

OEOtis Elevator: 1 patents #73 of 232Top 35%
Overall (2018): #188,802 of 503,207Top 40%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9862571 Elevator cord health monitoring Fanping Sun, Xiaodong Luo, Daniel A. Mosher, Huan Zhang, John P. Wesson +3 more 2018-01-09