Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7743625 | Natural smoke/fog distribution system | — | 2010-06-29 | |
| 7444833 | One way venturi for use with a cold fog generator and/or natural smoke/fog distribution system | — | 2008-11-04 | |
| 7434418 | Cold fog generator and/or natural smoke/fog distribution system | — | 2008-10-14 | |
| 6030004 | High torque threaded tool joint for drill pipe and other drill stem components | Steven Paul Howard, James G. Vogelsang, Richard L. Clark, Michael D. Rose | 2000-02-29 | $18,860,000 |
| 5535822 | Apparatus for retrieving whipstock | Shannon Rogers | 1996-07-16 | |
| 5381868 | Sealed bearing roller reamer | — | 1995-01-17 | |
| 5361833 | Bottom set, non-retrievable whipstock assembly | Shannon Rogers | 1994-11-08 |