loadpatents
Patent applications and USPTO patent grants for Childers; Leonard G..The latest application filed is for "quadruple ram bop".
Patent | Date |
---|---|
Gas handler, riser assembly, and method Grant 9,109,405 - Carbaugh , et al. August 18, 2 | 2015-08-18 |
Deformation resistant opening chamber head and method Grant 9,109,421 - Carbaugh , et al. August 18, 2 | 2015-08-18 |
Quadruple RAM BOP App 20150083943 - Shah; Viral ;   et al. | 2015-03-26 |
Shear blade and method of attachment to shear rams Grant 8,844,613 - Shah , et al. September 30, 2 | 2014-09-30 |
Drill string valve actuator with inflatable seals Grant 8,694,298 - Childers , et al. April 8, 2 | 2014-04-08 |
Diverter Cover Assembly And Methods Of Use App 20130333897 - Wells; Laura Christine ;   et al. | 2013-12-19 |
Bidirectional ram BOP and method Grant 8,573,557 - Carbaugh , et al. November 5, 2 | 2013-11-05 |
Gas Handler, Riser Assembly, and Method App 20130206422 - Carbaugh; William L. ;   et al. | 2013-08-15 |
Shear Blade And Method Of Attachment To Shear Rams App 20130168075 - Shah; Viral ;   et al. | 2013-07-04 |
Pipe guide arms for blind shear rams Grant 8,464,785 - Carbaugh , et al. June 18, 2 | 2013-06-18 |
Gas handler, riser assembly, and method Grant 8,413,724 - Carbaugh , et al. April 9, 2 | 2013-04-09 |
Pipe Guide Arms for Blind Shear Rams App 20120318493 - Carbaugh; William L. ;   et al. | 2012-12-20 |
Gas Handler, Riser Assembly, and Method App 20120132432 - CARBAUGH; William ;   et al. | 2012-05-31 |
Drill String Valve Actuator with Inflatable Seals App 20110209880 - Childers; Leonard G. ;   et al. | 2011-09-01 |
Deformation Resistant Opening Chamber Head and Method App 20100155628 - Carbaugh; William L. ;   et al. | 2010-06-24 |
Bidirectional Ram Bop And Method App 20100155080 - Carbaugh; William L. ;   et al. | 2010-06-24 |
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