Elkins; Hubert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Elkins; Hubert L..The latest application filed is for "well drilling method and system".
- Elkins; Hubert L. - Kingwood TX
| Patent | Date |
|---|---|
| Well drilling method and system Grant 6,527,062 - Elkins , et al. March 4, 2 | 2003-03-04 |
| Well drilling method and system App 20020108783 - Elkins, Hubert L. ; et al. | 2002-08-15 |
| Well drilling method and system Grant 6,374,925 - Elkins , et al. April 23, 2 | 2002-04-23 |
| Subsea hydraulic control system Grant 6,192,680 - Brugman , et al. February 27, 2 | 2001-02-27 |
| Well control method and apparatus Grant 4,630,680 - Elkins December 23, 1 | 1986-12-23 |
| Well control method and apparatus Grant 4,478,287 - Hynes , et al. October 23, 1 | 1984-10-23 |
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