ZuAn Tang — 1 Patent at Otis Elevator

ZuAn Tang has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 2020. ZuAn Tang ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list ZuAn Tang in Guangde County, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10865074	Handrail automatically tensioning system and a method for adjusting tension level of handrail	QingXi Cai, Jianguo Li, Xin Wei, Jie Hu, Lifei Cheng +1 more	2020-12-15