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Patents Grants
last 30 patents
Information
Patent Grant
Mining elevator carrying platform and carrying method
Patent number
9,840,399
Issue date
Dec 12, 2017
China University of Mining and Technology
Guohua Cao
B66 - HOISTING LIFTING HAULING
Information
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
Information
Patent Grant
Mining elevator lapping platform suitable for flexible guide rail a...
Patent number
9,394,142
Issue date
Jul 19, 2016
China University of Mining and Technology
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Mining elevator
Patent number
9,272,881
Issue date
Mar 1, 2016
China University of Mining and Technology
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Apparatus and method for automatically adjusting the tension of a f...
Patent number
9,242,836
Issue date
Jan 26, 2016
China University of Mining and Technology
Guohua Cao
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mining elevator traction cable connecting apparatus and measuring m...
Patent number
9,156,655
Issue date
Oct 13, 2015
China University of Mining and Technology
Guohua Cao
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
MINING ELEVATOR CARRYING PLATFORM AND CARRYING METHOD
Publication number
20150096842
Publication date
Apr 9, 2015
China University of Mining and Technology
Guohua Cao
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MINING ELEVATOR LAPPING PLATFORM SUITABLE FOR FLEXIBLE GUIDE RAIL A...
Publication number
20150037125
Publication date
Feb 5, 2015
China University of Mining and Technology
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MINING ELEVATOR
Publication number
20140110194
Publication date
Apr 24, 2014
China University of Mining and Technology
Zhencai Zhu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
APPARATUS AND METHOD FOR AUTOMATICALLY ADJUSTING TENSION ON MINING...
Publication number
20130233654
Publication date
Sep 12, 2013
DONGNAN ELEVATOR CO., LTD.
Guohua Cao
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MINING ELEVATOR TRACTION CABLE CONNECTING APPARATUS AND MEASURING M...
Publication number
20130056313
Publication date
Mar 7, 2013
DONGNAN ELEVATOR CO., LTD.
Guohua Cao
B66 - HOISTING LIFTING HAULING