Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338940 | Pig detector | Matthew S. Laymon | 2025-06-24 |
| 8109162 | Pig detector | Matthew S. Laymon | 2012-02-07 |
| 6357384 | Pig detector | James M. Berry, Stephen L. Skarke | 2002-03-19 |
| 6173469 | Urethane spring for use in a pipeline pig | — | 2001-01-16 |
| 6065174 | Parabolic scraper for a pipeline pig | — | 2000-05-23 |
| D315621 | Pipeline cleaner | James M. Berry | 1991-03-19 |
| 4628613 | Bend detector for a pipeline pig | James M. Berry | 1986-12-16 |