Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193603 | Pressure relief valve | Curtis Schmidt, James R. Kerian | 2021-12-07 |
| 9777855 | Pressure vacuum relief valve providing monitoring capabilities | James Myers | 2017-10-03 |
| 9732858 | Self-centering metal-to-metal seals for use with valves | Travis Ellison, James Myers | 2017-08-15 |
| 9296530 | Thief hatch | John D. Cockerham, George D. Jones | 2016-03-29 |
| 9273789 | Triple offset butterfly pressure relief valve | Curtis Schmidt, James R. Kerian | 2016-03-01 |