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Shijiazhuang, CN
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Patents Grants
last 30 patents
Information
Patent Grant
ABS brake control circuit for elevator braking
Patent number
9,914,620
Issue date
Mar 13, 2018
SHIJIAZHUANG WULONG BRAKE CORPORATION
Zhenpu Rui
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Circuits and methods for controlling elevator braking system
Patent number
8,820,484
Issue date
Sep 2, 2014
Shijiazhuang Wulon Brake Co., Ltd
Zhenpu Rui
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
ABS BRAKE CONTROL CIRCUIT OF ELEVATOR BRAKE SYSTEM
Publication number
20150136530
Publication date
May 21, 2015
SHIJIAZHUANG WULONG BRAKE CORPORATION
Zhenpu RUI
B66 - HOISTING LIFTING HAULING
Information
Patent Application
CONTROL CIRCUIT AND CONTROL METHOD OF ELEVATOR BRAKING SYSTEMS
Publication number
20110240411
Publication date
Oct 6, 2011
SHIJIAZHUANG WULON BRAKE CO., LTD
Zhenpu Rui
B66 - HOISTING LIFTING HAULING