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Pile reamer with spoil container
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Patent number 6,854,536
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Issue date Feb 15, 2005
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Cementation Foundations Skanska Limited
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Melvin Gerrard England
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Method of forming enlarged pile heads
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Patent number 6,641,333
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Issue date Nov 4, 2003
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Cementation Foundations Skanska Limited
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Graham Bartlett
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Auger cleaners
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Patent number 6,189,681
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Issue date Feb 20, 2001
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Melvin Gerard England
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E21 - EARTH DRILLING MINING
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Auger piling
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Patent number 6,116,819
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Issue date Sep 12, 2000
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Kvaerner Cementation Fondations Ltd.
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Melvin Gerrard England
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING