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

Zhihuan Man — 2 Patents

OEOtis Elevator: 2 patents #650 of 1,840Top 40%
Shanghai, CN: #6,982 of 19,267 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Zhihuan Man has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 2019 and the most recent in August 2020. Zhihuan Man ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Zhihuan Man in Shanghai, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10745245 Governor assembly and elevator Zhengbao Shi, Randall S. Dube, Yong Zhao, Min Wang, Ye Li 2020-08-18
10442661 Governor of elevator Zhengbao Shi, Yong Zhao, Min Wang, Ye Li 2019-10-15