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Patents Grants
last 30 patents
Information
Patent Grant
Device for controlling a brake of a winch drum mounted on a drillin...
Patent number
10,253,580
Issue date
Apr 9, 2019
AUTELEC
Bernard M Imbault
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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Patent Application
Device for Controlling a Brake of a Winch Drum Mounted On a Drillin...
Publication number
20160305198
Publication date
Oct 20, 2016
AUTELEC
Bernard M Imbault
E21 - EARTH DRILLING MINING
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last 30 trademarks