loadpatents
Patent applications and USPTO patent grants for DuPree; Wade D..The latest application filed is for "continuous multi-stage well stimulation system".
Patent | Date |
---|---|
Continuous multi-stage well stimulation system Grant 9,260,956 - DuPree , et al. February 16, 2 | 2016-02-16 |
Downhole tool with roller screw assembly Grant 8,910,720 - Aguirre , et al. December 16, 2 | 2014-12-16 |
Grip enhanced tractoring Grant 8,602,115 - Aguirre , et al. December 10, 2 | 2013-12-10 |
Continuous Multi-stage Well Stimulation System App 20130319669 - DuPree; Wade D. ;   et al. | 2013-12-05 |
Downhole Tool With Roller Screw Assembly App 20120168176 - Aguirre; Franz ;   et al. | 2012-07-05 |
Grip Enhanced Tractoring App 20110127046 - Aguirre; Franz ;   et al. | 2011-06-02 |
Well Wall Gripping Element App 20080202769 - Dupree; Wade D. ;   et al. | 2008-08-28 |
Chain drive system Grant 7,222,682 - Doering , et al. May 29, 2 | 2007-05-29 |
Borehole caliper tool Grant 7,131,210 - Fredette , et al. November 7, 2 | 2006-11-07 |
Borehole caliper tool using ultrasonic transducer Grant 7,069,775 - Fredette , et al. July 4, 2 | 2006-07-04 |
Borehole Caliper Tool Using Ultrasonic Transducer App 20060070433 - Fredette; Mark A. ;   et al. | 2006-04-06 |
Borehole Caliper Tool App 20060064889 - Fredette; Mark A. ;   et al. | 2006-03-30 |
Chain drive system App 20050263325 - Doering, Falk W. ;   et al. | 2005-12-01 |
Magnetic motion coupling for well logging instruments Grant 5,917,774 - Walkow , et al. June 29, 1 | 1999-06-29 |
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