Wells; Donald G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wells; Donald G..The latest application filed is for "particle control screen with depth filtration".
- Wells; Donald G. - Humble TX
- Wells; Donald G. - Longview TX
| Patent | Date |
|---|---|
| Particle control screen with depth filtration Grant 7,497,257 - Hopkins , et al. March 3, 2 | 2009-03-03 |
| Particle control screen with depth filtration App 20070256834 - Hopkins; Sam A. ; et al. | 2007-11-08 |
| Method, apparatus and system for substantially reducing or eliminating the plugging of downhole sand control screens App 20050045383 - Seaton, Simon D. ; et al. | 2005-03-03 |
| Low torque seal assembly Grant 6,845,986 - Hood , et al. January 25, 2 | 2005-01-25 |
| Low torque seal assembly with open cell filter media Grant 6,722,657 - Hood , et al. April 20, 2 | 2004-04-20 |
| Low torque seal assembly with open cell filter media App 20030222405 - Hood, Charles Robin ; et al. | 2003-12-04 |
| Low torque seal assembly App 20030201609 - Hood, Charles Robin ; et al. | 2003-10-30 |
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