XC

Xiaoyuan Chang

OE Otis Elevator: 7 patents #220 of 1,840Top 15%
CA Carrier: 2 patents #900 of 2,507Top 40%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Overall (All Time): #496,052 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11713211 Elevator belt surface protection for installation Hong Yang 2023-08-01
11511970 High friction and wear resistant elevator sheave liner Hong Yang 2022-11-29
11407616 Elevator belt surface protection for installation Hong Yang 2022-08-09
11111108 Coated sheave David R. Torlai 2021-09-07
10647547 Methods and apparatuses for applying a substrate onto an elevator sheave David R. Torlai, Peter Keyo, Lance L. Lavender, Hong Yang 2020-05-12
10023432 Guide rail for elevator David R. Torlai 2018-07-17
9701517 Methods and apparatuses for applying a substrate onto an elevator sheave David R. Torlai, Peter Keyo, Lance L. Lavender, Hong Yang 2017-07-11
8091620 Multi-channel flat-tube heat exchanger Mikhail B. Gorbounov, Igor Vaisman, Parmesh Verma, Lisa P. Sylvia, Gary D. Winch 2012-01-10
7341677 Non-carcinogenic corrosion inhibiting additive Xiaomei Yu, Weilong Zhang, Thomas J. Garosshen, Promila Bhatia, Mark R. Jaworowski +4 more 2008-03-11
6889179 Method of simulating environmental exposure Sandra Jayne Downey 2005-05-03