Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158225 | Swivel joint | Jacob Deffenbaugh | 2024-12-03 |
| 10809110 | Flow meter prover | — | 2020-10-20 |
| 9238159 | Log roll | Robert C. Engle, David F. Dyer, Richard D. Tatum, Jason Beebe, Bradley G. Martin +2 more | 2016-01-19 |
| 7086113 | Seamless pipeline sphere and method of manufacture | — | 2006-08-08 |
| 6823751 | Sphere or pig detection switch assembly | — | 2004-11-30 |
| 5977145 | Method of treating migraine | Stephen Silberstein | 1999-11-02 |
| 5773734 | Nitrided powdered metal piston ring | — | 1998-06-30 |