Yong Zhao

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Governor assembly, elevator safety device and elevator system
- Patent number 11,858,780
- Issue date Jan 2, 2024
- Otis Elevator Company
- Wei Wang
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Governor assembly and elevator
- Patent number 11,787,662
- Issue date Oct 17, 2023
- Otis Elevator Company
- Ming Zhang
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Remote triggering device, overspeed governor assembly and elevator
- Patent number 10,759,631
- Issue date Sep 1, 2020
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Governor assembly and elevator
- Patent number 10,745,245
- Issue date Aug 18, 2020
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Governor of elevator
- Patent number 10,442,661
- Issue date Oct 15, 2019
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
GOVERNOR ASSEMBLY AND ELEVATOR
- Publication number 20220144587
- Publication date May 12, 2022
- Otis Elevator Company
- Ming Zhang
- B66 - HOISTING LIFTING HAULING
Information Patent Application
REMOTE TRIGGERING DEVICE, OVERSPEED GOVERNOR ASSEMBLY AND ELEVATOR
- Publication number 20180118515
- Publication date May 3, 2018
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING
Information Patent Application
GOVERNOR ASSEMBLY AND ELEVATOR
- Publication number 20180037438
- Publication date Feb 8, 2018
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING
Information Patent Application
GOVERNOR OF ELEVATOR
- Publication number 20180029828
- Publication date Feb 1, 2018
- Otis Elevator Company
- Zhengbao Shi
- B66 - HOISTING LIFTING HAULING