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Changsha, CN
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last 30 patents
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Patent Grant
Running system for elevator, and multi-car elevator running system
Patent number
11,840,424
Issue date
Dec 12, 2023
HUNAN DAJU INFORMATION TECH CO LTD
Libo Zhou
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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Patent Application
RUNNING SYSTEM FOR ELEVATOR, AND MULTI-CAR ELEVATOR RUNNING SYSTEM
Publication number
20220185627
Publication date
Jun 16, 2022
HUNAN DAJU INFORMATION TECH CO LTD
Libo ZHOU
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SMART MULTI-CAR ELEVATOR SYSTEM
Publication number
20200255261
Publication date
Aug 13, 2020
Libo Zhou
B66 - HOISTING LIFTING HAULING