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last 30 patents
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Patent Grant
Fall prevention brake buffering system for high-speed mine lift
Patent number
9,840,396
Issue date
Dec 12, 2017
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
FALL PREVENTION BRAKE BUFFERING SYSTEM FOR HIGH-SPEED MINE LIFT
Publication number
20150122592
Publication date
May 7, 2015
China University of Mining and Technology
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SECTOR-BASED BASE STATION
Publication number
20140153493
Publication date
Jun 5, 2014
Huawei Technologies Co., Ltd
Hai WEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECTOR-BASED BASE STATION
Publication number
20090122910
Publication date
May 14, 2009
Huawei Technologies Co., Ltd
Hai WEN
G06 - COMPUTING CALCULATING COUNTING