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USPTO Patent Rankings Data through Sept 30, 2025
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XiaoBin Tang — 1 Patent in 2020

OEOtis Elevator: 1 patents #99 of 278Top 40%
Overall (2020): #221,050 of 565,922Top 40%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10737907 Stabilizing device of elevator car Junjie Guo, YuHang Ou, Xiaokai Gong 2020-08-11