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Patent applications and USPTO patent grants for Hining; Ira.The latest application filed is for "apparatus and method for reducing torque on a drill string".
Patent | Date |
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Apparatus and method for reducing torque on a drill string Grant 10,087,690 - Lutgring , et al. October 2, 2 | 2018-10-02 |
Centralizer preconditioning and testing apparatus and method Grant 9,611,705 - Buytaert , et al. April 4, 2 | 2017-04-04 |
Apparatus And Method For Reducing Torque On A Drill String App 20170030151 - Lutgring; Keith ;   et al. | 2017-02-02 |
Centralizer Preconditioning And Testing Apparatus And Method App 20150101798 - Buytaert; Jean ;   et al. | 2015-04-16 |
Reduced Drag Centralizer App 20100252279 - Buytaert; Jean P. ;   et al. | 2010-10-07 |
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