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Circulating sub
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Patent number 8,657,018
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Issue date Feb 25, 2014
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Corpro Systems Limited
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Philippe Cravatte
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E21 - EARTH DRILLING MINING
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Coring apparatus with sensors
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Patent number 8,297,376
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Issue date Oct 30, 2012
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Corpro Systems Limited
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Phillipe Cravatte
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E21 - EARTH DRILLING MINING
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Coring apparatus with sensors
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Patent number 8,146,684
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Issue date Apr 3, 2012
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Corpro Systems Limited
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Phillipe Cravatte
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E21 - EARTH DRILLING MINING
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Sealed core sample barrel
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Patent number 7,600,580
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Issue date Oct 13, 2009
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Corpro Systems Limited
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Philippe Cravatte
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E21 - EARTH DRILLING MINING
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85015455 - ICORE
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Serial number 85015455
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Registration number 3960887
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Filing date Apr 16, 2010
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Corpro Systems Limited
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7 - Machines and machine tools