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

Yongqing Chen — 2 Patents

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
Shanghai, CN: #6,982 of 19,267 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Yongqing Chen has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 2017 and the most recent in October 2024. Yongqing Chen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Yongqing Chen in Shanghai, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1047439 Trolley case 2024-10-22
9637351 Conveyor band drive system Du Dai, Jian Cheng, Yongbo Zhang, Fengshu Yue, Huisheng Zheng +1 more 2017-05-02