Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151163 | Expandable junk mill stabilizer | Cristian A. Esparza, Athar M. Razvi, Ernest D. Colin, JR., William B. Handy, Steve Rosenblatt | 2018-12-11 |
| 8607858 | Spiral whipstock for low-side casing exits | Graeme D. McKay, Christopher W. Guidry, Paul L. Connell | 2013-12-17 |
| 8505651 | Anchor system and method for anchoring a tool with a positional bias | Nathan J. Brandt, John P. Davis, Christopher W. Guidry | 2013-08-13 |
| 7234546 | Drilling and cementing casing system | Ray Vincent, Frank Koehrmann, George Givens, Christiaan D. Krauss, Edward T. Wood +1 more | 2007-06-26 |
| 6866104 | Drop in dart activated downhole vibration tool | Carl W. Stoesz, Joe DeGeare, Gerald D. Lynde, Roy Swanson, James Sonnier | 2005-03-15 |
| 6805197 | Hydraulic wireline cutter | Kenneth A. Brumley, John P. Davis, Gregory L. Hern | 2004-10-19 |
| 6763753 | Hydraulic wireline cutter | Kenneth A. Brumley, John P. Davis, Gregory L. Hern | 2004-07-20 |
| 6702031 | Anchoring device removal method and apparatus | James C. Doane, Michael V. Smith, Roger Steele, John P. Davis | 2004-03-09 |
| 6357528 | One-trip casing cutting & removal apparatus | John P. Davis | 2002-03-19 |