Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7677334 | Anti-surge/reverse thruster | Curtis G. Blount, William D. Rauchenstein | 2010-03-16 |
| 7301150 | Method and apparatus for material identification using characteristic radiative emissions | — | 2007-11-27 |
| 7036595 | Removal of tubulars from wells | — | 2006-05-02 |
| 7015475 | Method and apparatus for material identification using characteristic radiative emissions | — | 2006-03-21 |
| 6578635 | Lining removal method, system and components thereof | — | 2003-06-17 |
| 6568489 | Apparatus and method for downhole lubrication replenishment | — | 2003-05-27 |
| 6213210 | Removal of lining from tubing | — | 2001-04-10 |
| 6186234 | Removal of lining from tubing | — | 2001-02-13 |
| 5918690 | Bottom rotation shaft actuator | — | 1999-07-06 |
| 5690170 | Hydraulic cutting overshot | Wayne Biart | 1997-11-25 |
| D374019 | Downhold cutter blade | — | 1996-09-24 |
| 5495902 | Coil tubing hydraulic jar device | Ronald M. Beagle | 1996-03-05 |
| 5484021 | Method and apparatus for forming a window in a subsurface well conduit | — | 1996-01-16 |
| 5411107 | Coil tubing hydraulic jar device | Ronald M. Beagle | 1995-05-02 |
| 5385205 | Dual mode rotary cutting tool | — | 1995-01-31 |
| 5383522 | Whipstock and method | — | 1995-01-24 |
| 5379845 | Method for setting a whipstock in a wellbore | Curtis G. Blount, Charles M. Hightower | 1995-01-10 |
| 5350015 | Rotary downhole cutting tool | — | 1994-09-27 |
| 5346017 | Method and apparatus for setting a whipstock | Curtis G. Blount, Charles M. Hightower | 1994-09-13 |
| 5287921 | Method and apparatus for setting a whipstock | Curtis G. Blount, Charles M. Hightower | 1994-02-22 |
| 5277251 | Method for forming a window in a subsurface well conduit | Curtis G. Blount, Charles M. Hightower | 1994-01-11 |
| 5265675 | Well conduit cutting and milling apparatus and method | David D. Hearn, Charles M. Hightower, Stephen Ward | 1993-11-30 |
| 5242017 | Cutter blades for rotary tubing tools | — | 1993-09-07 |
| 5201817 | Downhole cutting tool | — | 1993-04-13 |
| 5174374 | Clean-out tool cutting blade | — | 1992-12-29 |