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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
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US70754542 mars 200111 juil. 2006Shell Oil CompanyPower generation using batteries with reconfigurable discharge
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US71145612 mars 20013 oct. 2006Shell Oil CompanyWireless communication using well casing
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US71704242 mars 200130 janv. 2007Shell Oil CompanyOil well casting electrical power pick-off points
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US737731529 nov. 200527 mai 2008Complaint covering of a downhole component
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US824292912 août 200814 août 2012Raytheon CompanyWireless drill string telemetry