Inventor

XIE HENGFENG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “XIE HENGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OTIS ELEVATOR CO

1 patent

US9919896B2Mar 20, 2018

Detection method for elevator brake moment

OTIS ELEVATOR CO3 citations63

SCHOENAUER UWE

1 patent

US9890016B2Feb 13, 2018

Position recovery via dummy landing patterns

SCHOENAUER UWE1 citations46