Pedersen; Gerald D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pedersen; Gerald D..The latest application filed is for "bi-directionally boosting and internal pressure trapping packing element system".
- Pedersen; Gerald D. - Houston TX
- Pedersen; Gerald D. - Cannon Falls MN
- Pedersen; Gerald D. - Stanton Township Goodhue County
| Patent | Date |
|---|---|
| Hydraulic tools for setting liner top packers and method for cementing liners Grant 7,225,870 - Pedersen , et al. June 5, 2 | 2007-06-05 |
| Bi-directionally boosting and internal pressure trapping packing element system Grant 7,172,029 - Hirth , et al. February 6, 2 | 2007-02-06 |
| Plug-dropping container for releasing a plug into a wellbore Grant 7,055,611 - Pedersen , et al. June 6, 2 | 2006-06-06 |
| Bi-directionally boosting and internal pressure trapping packing element system App 20050155775 - Hirth, David E. ; et al. | 2005-07-21 |
| Bi-directionally boosting and internal pressure trapping packing element system Grant 6,902,008 - Hirth , et al. June 7, 2 | 2005-06-07 |
| Mechanically opened ball seat and expandable ball seat Grant 6,866,100 - Gudmestad , et al. March 15, 2 | 2005-03-15 |
| Hydraulic tools for setting liner top packers and for cementing liners App 20040216877 - Pedersen, Gerald D. ; et al. | 2004-11-04 |
| Ball dropping assembly Grant 6,776,228 - Pedersen , et al. August 17, 2 | 2004-08-17 |
| Plug-dropping container for releasing a plug into a wellbore App 20040055741 - Pedersen, Gerald D. ; et al. | 2004-03-25 |
| Mechanically opened ball seat and expandable ball seat App 20040035586 - Gudmestad, Tarald ; et al. | 2004-02-26 |
| Ball dropping assembly App 20030155114 - Pedersen, Gerald D. ; et al. | 2003-08-21 |
| Bi-directionally boosting and internal pressure trapping packing element system App 20030132008 - Hirth, David E. ; et al. | 2003-07-17 |
| Transfer cart with improved base and gate guides Grant 4,753,356 - Nootenboom , et al. June 28, 1 | 1988-06-28 |
| Apparatus for washing transfer carts Grant 4,732,172 - Pedersen March 22, 1 | 1988-03-22 |
| Pegbar display device Grant 4,610,413 - Pedersen September 9, 1 | 1986-09-09 |
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