QW

Qirui Wang

OE Otis Elevator: 2 patents #21 of 199Top 15%
Overall (2024): #126,319 of 561,600Top 25%
2
Patents 2024

Issued Patents 2024

Patent #TitleCo-InventorsDate
12139371 Connecting mechanism, elevator shaft module and elevator system Bichun Li, Shenhong Wang 2024-11-12
11884515 Clamping device and elevator system Zhenyan Tong, Ruili Zhang 2024-01-30