US Patent 8915788 Universal joint for a downhole drilling motor

Patent 8915788 was granted and assigned to Cathedral Energy Services Ltd on December, 2014 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Patent Applicant

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Cathedral Energy Services Ltd

Current Assignee

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Cathedral Energy Services Ltd

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

89157880

Patent Inventor Names

Jason Williams0

Dean Norman Foote0

Date of Patent

December 23, 2014

Patent Application Number

138722460

Date Filed

April 29, 2013

Patent Citations Received

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US Patent 11661972 PDM transmission with ball-CV torque transfer

Patent Primary Examiner

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Gregory Binda

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