Hongliang Tian

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR TESTING FUNCTION OF CONTACTORS AND APPARATUS FOR PERFORM...
- Publication number 20240230760
- Publication date Jul 11, 2024
- Otis Elevator Company
- Heping Qiu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SAFETY SYSTEM FOR ELEVATOR, ELEVATOR SYSTEM AND SAFETY CONTROL METHOD
- Publication number 20230002196
- Publication date Jan 5, 2023
- Otis Elevator Company
- Hongliang Tian
- B66 - HOISTING LIFTING HAULING