Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7703549 | Method and apparatus for removing cuttings in high-angle wells | Anthony N. Krepp, Brandon M. Foster | 2010-04-27 |
| 5181571 | Well casing flotation device and method | Mark D. Mueller, Frank L. Jones, Julio M. Quintana, Kenneth Edward Ruddy | 1993-01-26 |
| 5174375 | Hydraulic release system | Mark D. Mueller, John L. Hood, III | 1992-12-29 |
| 5170847 | Hydraulic release oil tool | Mark D. Mueller | 1992-12-15 |
| 5117915 | Well casing flotation device and method | Mark D. Mueller, Frank L. Jones, Julio M. Quintana, Kenneth Edward Ruddy | 1992-06-02 |
| 5086844 | Hydraulic release oil tool | Mark D. Mueller, Jeffrey C. Ehlinger | 1992-02-11 |
| 5086843 | Oil tool release joint | Mark D. Mueller, Frank L. Jones, Michael J. Bunyak | 1992-02-11 |
| 4986361 | Well casing flotation device and method | Mark D. Mueller, Frank L. Jones, Julio M. Quintana, Kenneth Edward Ruddy | 1991-01-22 |