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Quick release hoist system
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Patent number 11,472,682
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Issue date Oct 18, 2022
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Honda Motor Co., Ltd.
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Gregory Ethan Roeth
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B66 - HOISTING LIFTING HAULING
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Winch Braking device
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Patent number 9,085,445
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Issue date Jul 21, 2015
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Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd.
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Tadashi Miyazaki
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B66 - HOISTING LIFTING HAULING
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Mine hoist brake regulator
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Patent number 4,989,921
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Issue date Feb 5, 1991
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General Electric Canada Inc.
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Clemens J. G. Vanzeyl
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B66 - HOISTING LIFTING HAULING
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Brake equipment
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Patent number 4,234,063
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Issue date Nov 18, 1980
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Coal Industry (Patents) Limited
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Donald F. Blake
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B66 - HOISTING LIFTING HAULING
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Mine hoists
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Patent number 3,934,856
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Issue date Jan 27, 1976
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Fullerton, Hodgart & Barclay Ltd.
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Bernard Elliott Shaw
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B66 - HOISTING LIFTING HAULING