HengFeng Xie

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Detection method for elevator brake moment
- Patent number 9,919,896
- Issue date Mar 20, 2018
- Otis Elevator Company
- HengFeng Xie
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Position recovery via dummy landing patterns
- Patent number 9,890,016
- Issue date Feb 13, 2018
- Otis Elevator Company
- Uwe Schoenauer
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DETECTION METHOD FOR ELEVATOR BRAKE MOMENT
- Publication number 20160304314
- Publication date Oct 20, 2016
- Otis Elevator Company
- HengFeng Xie
- B66 - HOISTING LIFTING HAULING
Information Patent Application
POSITION RECOVERY VIA DUMMY LANDING PATTERNS
- Publication number 20150314985
- Publication date Nov 5, 2015
- Uwe Schoenauer
- G01 - MEASURING TESTING