Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 2021 › Otis Elevator › Lifei Cheng
LC

Lifei Cheng — 1 Patent in 2021

OEOtis Elevator: 1 patents #88 of 253Top 35%
Zhejiang, CN: #201 of 714 inventorsTop 30%
Overall (2021): #361,776 of 548,734Top 70%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11078050 Speed detection device and passenger conveyer device Zhaoxia Hu 2021-08-03

Nearby-Ranked Inventors

Lik Fai Alex Cheung1
Li-Chyong Chen Lin1
Lichang Cheng1
Limin Cheng1
Linker Cheng1
Lian Cheng1
Liyong Cheng1
Liangliang Cheng1
Liang Cheng1