Folds; Don S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Folds; Don S..The latest application filed is for "method and apparatus for well perforating".
- Folds; Don S. - Houston TX
- Folds; Don S. - Duncan OK
| Patent | Date |
|---|---|
| Method and apparatus for well perforating Grant 7,195,067 - Manke , et al. March 27, 2 | 2007-03-27 |
| Dissolvable downhole tools Grant 7,168,494 - Starr , et al. January 30, 2 | 2007-01-30 |
| Downhole sealing tools and method of use Grant 7,048,066 - Ringgenberg , et al. May 23, 2 | 2006-05-23 |
| Method and apparatus for well perforating App 20060027368 - Manke; Kevin R. ; et al. | 2006-02-09 |
| Slip element for use with a downhole tool and a method of manufacturing same Grant 6,976,534 - Sutton , et al. December 20, 2 | 2005-12-20 |
| Downhole sealing tools and method of use Grant 6,966,386 - Ringgenberg , et al. November 22, 2 | 2005-11-22 |
| Dissolvable downhole tools App 20050205264 - Starr, Phillip M. ; et al. | 2005-09-22 |
| Multiple zones frac tool Grant 6,896,061 - Hriscu , et al. May 24, 2 | 2005-05-24 |
| Slip element for use with a downhole tool and a method of manufacturing same App 20050069691 - Sutton, Mike H. ; et al. | 2005-03-31 |
| Downhole sealing tools and method of use App 20040069485 - Ringgengberg, Paul D. ; et al. | 2004-04-15 |
| Downhole sealing tools and method of use App 20040069503 - Ringgenberg, Paul D. ; et al. | 2004-04-15 |
| Screw-driven wellhead isolation tool Grant 6,666,266 - Starr , et al. December 23, 2 | 2003-12-23 |
| Bridge plug Grant 6,666,275 - Neal , et al. December 23, 2 | 2003-12-23 |
| Screw-driven wellhead isolation tool App 20030205373 - Starr, Phillip M. ; et al. | 2003-11-06 |
| Multiple zones frac tool App 20030183391 - Hriscu, Iosif J. ; et al. | 2003-10-02 |
| Bridge plug App 20030024712 - Neal, Kenneth G. ; et al. | 2003-02-06 |
| Frac plug with caged ball Grant 6,491,116 - Berscheidt , et al. December 10, 2 | 2002-12-10 |
| Frac plug with caged ball App 20020096365 - Berscheidt, Kevin T. ; et al. | 2002-07-25 |
| Frac plug with caged ball Grant 6,394,180 - Berscheidt , et al. May 28, 2 | 2002-05-28 |
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