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Patent applications and USPTO patent grants for Rigby; James Ronald.The latest application filed is for "alkali metal hydroprocessing of heavy oils with enhanced removal of coke products".
Patent | Date |
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Alkali metal hydroprocessing of heavy oils with enhanced removal of coke products Grant 8,894,845 - Vann , et al. November 25, 2 | 2014-11-25 |
Alkali Metal Hydroprocessing of Heavy Oils with Enhanced Removal of Coke Products App 20130161234 - Vann; Walter David ;   et al. | 2013-06-27 |
Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining Grant 8,141,768 - Ford , et al. March 27, 2 | 2012-03-27 |
Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining App 20070181647 - Ford; Steven J. ;   et al. | 2007-08-09 |
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