Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028958 | Automated pig launching system | Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm | 2021-06-08 |
| 9976686 | Automated pig launching system | Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm | 2018-05-22 |
| 8851121 | Torque multiplier for valve turning machine | Scott Ferrar, Jeffrey M. Swiatowy | 2014-10-07 |
| 5161327 | Pipe planter | Bruce Campbell, Kenneth C. Hardy | 1992-11-10 |