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Mine dewatering system and method
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Patent number 9,822,641
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Issue date Nov 21, 2017
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WSP GLOBAL, INC.
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Jeremy Dowling
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Underground water pumping device
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Patent number 7,036,577
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Issue date May 2, 2006
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Nippon Kensetsu Kikai Shoji Co., Ltd.
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Yoshiyuki Minamijima
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Wellpoint system and reel
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Patent number 4,784,221
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Issue date Nov 15, 1988
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Jack H. Share
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Ground dewatering system
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Patent number 4,260,334
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Issue date Apr 7, 1981
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Kelley Contract Dewatering Company
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Lawrence G. Kelley
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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De-watering system
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Patent number 4,260,283
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Issue date Apr 7, 1981
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Richard L. Croy
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Well point system
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Patent number 4,020,902
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Issue date May 3, 1977
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Gould; R. L.
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Joseph M. Valdespino
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Well point system
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Patent number 3,995,690
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Issue date Dec 7, 1976
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Gould; R. L.
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Joseph M. Valdespino
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3888605
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Patent number 3,888,605
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Issue date Jun 10, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3887021
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Patent number 3,887,021
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Issue date Jun 3, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3814184
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Patent number 3,814,184
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Issue date Jun 4, 1974
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3778876
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Patent number 3,778,876
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Issue date Dec 18, 1973
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3647319
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Patent number 3,647,319
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Issue date Mar 7, 1972
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3566982
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Patent number 3,566,982
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Issue date Mar 2, 1971
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING