Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708220 | High-capacity elevator conveying system | — | 2023-07-25 |
| 8985044 | Watertight door system | David Monk, John Storring, Scott Leigh, Doug Smith | 2015-03-24 |
| 8123053 | Boom slewing actuator system | Dong Sun | 2012-02-28 |
| 6745701 | Angled cargo discharge gate | — | 2004-06-08 |
| 6676357 | Arcuate bulk storage facility | Brian T. Stafford | 2004-01-13 |
| 6179172 | Cargo discharge gate | Kirsten L. Sorensen | 2001-01-30 |