Hongmin Zhu

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Hebei Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Direct drive system for passenger conveyer device and passenger con...
- Patent number 10,118,801
- Issue date Nov 6, 2018
- Otis Elevator Company
- Jiangxing Huang
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Conveyor band drive system
- Patent number 9,637,351
- Issue date May 2, 2017
- Otis Elevator Company
- Du Dai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
DIRECT DRIVE SYSTEM FOR PASSENGER CONVEYER DEVICE AND PASSENGER CON...
- Publication number 20180118520
- Publication date May 3, 2018
- Otis Elevator Company
- Jiangxing Huang
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CONVEYOR BAND DRIVE SYSTEM
- Publication number 20160167929
- Publication date Jun 16, 2016
- Otis Elevator Company
- Du Dai
- B66 - HOISTING LIFTING HAULING