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Dredger actuated from land
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Patent number 10,519,625
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Issue date Dec 31, 2019
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Heriberto Floridor Quidiante Diaz
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Dredge vessel system
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Patent number 9,297,142
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Issue date Mar 29, 2016
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DAMEN DREDGING EQUIPMENT B.V.
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Marius Otto Winkelman
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Carry scraper ships
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Patent number 5,778,568
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Issue date Jul 14, 1998
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Kaneto Toyoshima
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Floating conveyor system
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Patent number 5,573,363
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Issue date Nov 12, 1996
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Jochen Rohr
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Floating dredger
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Patent number 5,179,793
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Issue date Jan 19, 1993
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Wolfgang Rohr
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B66 - HOISTING LIFTING HAULING
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Dredging apparatus
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Patent number 4,999,934
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Issue date Mar 19, 1991
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R. A. Hanson Company, Inc.
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Raymond A. Hanson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Dredging apparatus
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Patent number 4,945,661
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Issue date Aug 7, 1990
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UBE Industries, Ltd.
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Kiyoshi Kuioka
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Golf ball dredge
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Patent number 4,822,106
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Issue date Apr 18, 1989
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Steven M. Wilson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Floating dredger and treatment plant
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Patent number 4,231,172
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Issue date Nov 4, 1980
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F. W. Payne & Son (Bickley) Limited
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James A. Hewitt
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3783536
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Patent number 3,783,536
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Issue date Jan 8, 1974
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2926437
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Patent number 2,926,437
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Issue date Mar 1, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2797824
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Patent number 2,797,824
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Issue date Jul 2, 1957
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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744523
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Patent number 744,523
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Issue date Nov 17, 1903
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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413030
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Patent number 413,030
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Issue date Oct 15, 1889
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING