Boutwell, Jr.; Doyle Frederic
Patent Applications and Registrations
Patent applications and USPTO patent grants for Boutwell, Jr.; Doyle Frederic.The latest application filed is for "drilling rig transfer system and method".
- Boutwell, Jr.; Doyle Frederic - Houston TX
| Patent | Date |
|---|---|
| Drilling rig transfer system and method Grant 9,670,038 - Boutwell, Jr. June 6, 2 | 2017-06-06 |
| Drilling Rig Transfer System and Method App 20140332487 - Boutwell, JR.; Doyle Frederic | 2014-11-13 |
| Apparatus for gripping a tubular on a drilling rig Grant 8,567,512 - Odell, II , et al. October 29, 2 | 2013-10-29 |
| Control line running system Grant 8,485,269 - Boutwell, Jr. , et al. July 16, 2 | 2013-07-16 |
| Control Line Running System App 20120211217 - Boutwell, JR.; Doyle Frederic ; et al. | 2012-08-23 |
| Control line running system Grant 8,191,641 - Boutwell, Jr. , et al. June 5, 2 | 2012-06-05 |
| Fill up and circulation tool and mudsaver valve Grant 8,141,642 - Olstad , et al. March 27, 2 | 2012-03-27 |
| Control Line Running System App 20110253390 - Boutwell, JR.; Doyle Frederic ; et al. | 2011-10-20 |
| Apparatus For Gripping A Tubular On A Drilling Rig App 20110174483 - Odell, II; Albert C. ; et al. | 2011-07-21 |
| Control line running system Grant 7,967,073 - Boutwell, Jr. , et al. June 28, 2 | 2011-06-28 |
| Methods and apparatus for supporting tubulars Grant 7,926,577 - Thomas , et al. April 19, 2 | 2011-04-19 |
| Apparatus for gripping a tubular on a drilling rig Grant 7,874,352 - Odell, II , et al. January 25, 2 | 2011-01-25 |
| Methods And Apparatus For Supporting Tubulars App 20100059231 - Thomas; Benson ; et al. | 2010-03-11 |
| Fill Up And Circulation Tool And Mudsaver Valve App 20100032162 - Olstad; Delaney Michael ; et al. | 2010-02-11 |
| Control Line Running System App 20080308281 - Boutwell, JR.; Doyle Frederic ; et al. | 2008-12-18 |
| Method and apparatus for handling wellbore tubulars Grant 7,370,707 - McDaniel , et al. May 13, 2 | 2008-05-13 |
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