Zixu Zhang

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Brake device, a test method for the brake device and an elevator sy...
- Patent number 11,505,426
- Issue date Nov 22, 2022
- Otis Elevator Company
- GuoSong Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Brake device for elevator and an elevator system
- Patent number 10,975,927
- Issue date Apr 13, 2021
- Otis Elevator Company
- Zixu Zhang
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
BRAKE DEVICE FOR ELEVATOR SYSTEM AND A TEST METHOD THEREOF
- Publication number 20210130126
- Publication date May 6, 2021
- Otis Elevator Company
- GuoSong Li
- B66 - HOISTING LIFTING HAULING
Information Patent Application
BRAKE DEVICE, A TEST METHOD FOR THE BRAKE DEVICE AND AN ELEVATOR SY...
- Publication number 20200180906
- Publication date Jun 11, 2020
- Otis Elevator Company
- GuoSong Li
- B66 - HOISTING LIFTING HAULING
Information Patent Application
BRAKE DEVICE FOR ELEVATOR AND AN ELEVATOR SYSTEM
- Publication number 20200056666
- Publication date Feb 20, 2020
- Otis Elevator Company
- Zixu Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...