Brunnert; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brunnert; David.The latest application filed is for "repaired wear and buckle resistant drill pipe and related methods".
- Brunnert; David - Cypress TX
- Brunnert, David - Houston TX
| Patent | Date |
|---|---|
| Repaired wear and buckle resistant drill pipe and related methods Grant 9,085,942 - Hashem , et al. July 21, 2 | 2015-07-21 |
| Repaired Wear And Buckle Resistant Drill Pipe And Related Methods App 20130098690 - Hashem; Ghazi J. ; et al. | 2013-04-25 |
| Annulus pressure control drilling systems and methods Grant 8,122,975 - Belcher , et al. February 28, 2 | 2012-02-28 |
| Annulus Pressure Control Drilling Systems And Methods App 20110114387 - Belcher; Gary ; et al. | 2011-05-19 |
| Annulus pressure control drilling systems and methods Grant 7,836,973 - Belcher , et al. November 23, 2 | 2010-11-23 |
| Annulus Pressure Control Drilling Systems And Methods App 20080060846 - Belcher; Gary ; et al. | 2008-03-13 |
| Apparatus and methods for utilizing a downhole deployment valve Grant 7,178,600 - Luke , et al. February 20, 2 | 2007-02-20 |
| Apparatus and methods for utilizing a downhole deployment valve App 20040251032 - Luke, Mike A. ; et al. | 2004-12-16 |
| Wired casing App 20040206511 - Tilton, Frederick T. ; et al. | 2004-10-21 |
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