Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230933 | Top drive casing system | David Shahin, John Timothy Allen, Kevin L. Gray, Gary Thompson | 2012-07-31 |
| 7918273 | Top drive casing system | David Shahin, John Timothy Allen, Kevin L. Gray, Gary Thompson | 2011-04-05 |
| 7793719 | Top drive casing system | David Shahin, John Timothy Allen, Kevin L. Gray, Gary Thompson | 2010-09-14 |
| 7712523 | Top drive casing system | David Shahin, Jim Allen, Kevin L. Gray, Gary Thompson | 2010-05-11 |
| 7654325 | Methods and apparatus for handling and drilling with tubulars or casing | Richard L. Giroux, David Shahin, Adrian Vuyk, Jr., Gary Thompson, Kevin L. Gray +1 more | 2010-02-02 |
| 7325610 | Methods and apparatus for handling and drilling with tubulars or casing | Richard L. Giroux, David Shahin, Adrian Vuyk, Jr., Gary Thompson, Kevin L. Gray +1 more | 2008-02-05 |
| 6536520 | Top drive casing system | David Shahin, Jim Allen, Kevin L. Gray, Gary Thompson | 2003-03-25 |