Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519753 | Apparatus and method for running casing in a wellbore | Michael Dedman | 2019-12-31 |
| 10400540 | Wellbore flow diversion tool utilizing tortuous paths in bow spring centralizer structure | Michael Dedman | 2019-09-03 |
| 9765605 | Re-fracture apparatus and method for wellbore | Cornelis C. Valkenburg | 2017-09-19 |
| 9593553 | Sliding sleeve having contracting, segmented ball seat | Michael Shane Larisey, Patrick J. Zimmerman, Raymond C. Shaffer, Luke Richey | 2017-03-14 |
| 9279307 | Retrievable bridge plug | — | 2016-03-08 |
| 9279295 | Liner flotation system | Robert Christopher Stratton | 2016-03-08 |
| 8522936 | Shock absorber for sliding sleeve in well | Jeffrey J. Lembcke, Robert Coon | 2013-09-03 |
| 8505623 | Retrievable bridge plug | — | 2013-08-13 |
| 8305759 | Gravity assisted directed liquid cooling | Chad Daniel Attlesey, Wayne H. Fjerstad | 2012-11-06 |
| 7896091 | Convertible seal | John W. McKeachnie | 2011-03-01 |
| 7798236 | Wellbore tool with disintegratable components | W. John McKeachnie, Michael McKeachnie, Rocky A. Turley | 2010-09-21 |
| 7510018 | Convertible seal | John W. McKeachnie | 2009-03-31 |
| 7350582 | Wellbore tool with disintegratable components and method of controlling flow | W. John McKeachnie, Michael McKeachnie, Rocky A. Turley | 2008-04-01 |
| 5009264 | Well production apparatus including pump means and thermal absorption means | Kris M. Sliger, Randolph C. Moeller | 1991-04-23 |