De Wu

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Hangzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC CONVEYOR DEVICE
- Publication number 20250059005
- Publication date Feb 20, 2025
- Otis Elevator Company
- Xiren Hu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
PASSENGER CONVEYOR SYSTEM AND ANTI-COLLISION DEVICE FOR STEP AND CO...
- Publication number 20250051142
- Publication date Feb 13, 2025
- Otis Elevator Company
- Baoyu Wang
- B66 - HOISTING LIFTING HAULING
Information Patent Application
PROFILE TRACK INTEGRATED DRIVE SYSTEM
- Publication number 20130192952
- Publication date Aug 1, 2013
- Otis Elevator Company
- Guobin Lin
- B66 - HOISTING LIFTING HAULING