Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8650694 | Speed regulated pipeline pig | Robert F. Strong, Eric N. Freeman, Charles Culver Gidden Cooper, Scott Douglas Nelson, Mark Russell Henault | 2014-02-18 |
| 8650695 | Pipeline cleaning pig with self-energizing diagonally oriented scrapers | William J. Rankin | 2014-02-18 |
| 7827646 | Vortex inhibitor dispersal pig | — | 2010-11-09 |
| 6874193 | Inhibitor dispensing pipeline pig | — | 2005-04-05 |
| 6755916 | Method of dispensing inhibitor in a gas pipeline | — | 2004-06-29 |
| 6406587 | Method and an apparatus for fusing a sidewall fitting onto a plastic pipe | Gene R. Ralls | 2002-06-18 |