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Herodotus machine
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Patent number 9,879,394
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Issue date Jan 30, 2018
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Keith Lorin Jenkins
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Canal water refill system
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Patent number 9,016,982
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Issue date Apr 28, 2015
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Dan Peled
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Lock using air chambers
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Patent number 5,013,184
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Issue date May 7, 1991
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Toshikatsu Omachi
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Toshikatsu Omachi
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pumping system for gates
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Patent number 4,877,537
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Issue date Oct 31, 1989
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Mizota Industrial Co., Ltd.
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Ichiji Kobayashi
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Rotary filling and emptying valve
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Patent number 4,830,051
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Issue date May 16, 1989
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The United States of America as represented by the Secretary of the Army
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John J. Jaeger
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3509727
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Patent number 3,509,727
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Issue date May 5, 1970
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3136132
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Patent number 3,136,132
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Issue date Jun 9, 1964
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2115190
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Patent number 2,115,190
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Issue date Apr 26, 1938
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1662113
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Patent number 1,662,113
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Issue date Mar 13, 1928
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1530394
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Patent number 1,530,394
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Issue date Mar 17, 1925
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING