GC

Gangliang Chen

OE Otis Elevator: 1 patents #64 of 199Top 35%
Overall (2024): #463,753 of 561,600Top 85%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11993485 Lifting device for building steel structure hoistway and method for building steel structure hoistway Hualiang Xu, Fei Chen, Zheng Lu, Huaping Sun, Yanchong Wang +3 more 2024-05-28