Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

Jiaying CHEN — 1 Patent in 2021

OEOtis Elevator: 1 patents #88 of 253Top 35%
Ningbo City, CN: #75 of 215 inventorsTop 35%
Overall (2021): #406,769 of 548,734Top 75%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11192756 Safety control device for handrail, conveyor system and safety control method for handrail Hai Cui, Qing Cheng, Yi Fang, Xingsong Xu, Xinxiang Jiang +3 more 2021-12-07