Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056639 | Well string injection system and method | — | 2011-11-15 |
| 7383879 | Well string injection system and method | Mark Widney | 2008-06-10 |
| 7318482 | Balanced continuous well string injection unit | — | 2008-01-15 |
| 7032676 | Well string injection system and method | Mark Widney | 2006-04-25 |
| 6575241 | Downhole communication apparatus | Scott W. Widney, Richard L. Dedels | 2003-06-10 |
| 4372379 | Rotary drive assembly for downhole rotary pump | John Aboussafy | 1983-02-08 |