BL

Bichun Li

OE Otis Elevator: 5 patents #9 of 258Top 4%
Overall (2023): #34,164 of 537,848Top 7%
5
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11834301 Guide device for an elevator car and elevator system Shenhong Wang, Yunru Chen 2023-12-05
11827495 Mounting bracket for guiding rail of elevator and mounting method thereof, locating apparatus, bracket adjusting apparatus and elevator system Qirui Wang, Gang Huang, Shenhong Wang 2023-11-28
11787660 Brake monitoring circuitry, elevator system and brake monitoring method Shenhong Wang 2023-10-17
11780706 Modular elevator assembly and rail Qirui Wang, Shenhong Wang 2023-10-10
11667496 Roller system, roller braking device and elevator system Shenhong Wang 2023-06-06