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Shangai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Brake for use in passenger conveyor system
Patent number
9,994,428
Issue date
Jun 12, 2018
Otis Elevator Company
Du Dai
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 Applications
last 30 patents
Information
Patent Application
BRAKE FOR USE IN PASSENGER CONVEYOR SYSTEM
Publication number
20160251204
Publication date
Sep 1, 2016
Otis Elevator Company
Du Dai
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