Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D717409 | Coupling device | Jackie Ray Buchanan | 2014-11-11 |
| 8864182 | Coupling device | Jackie Ray Buchanan | 2014-10-21 |
| 5165443 | Double block and vent valve system with improved flow handling feature | — | 1992-11-24 |
| 5090451 | Combination steam and fuel oil supply and purge valve with recirculation feature | Bascom F. Buchanan | 1992-02-25 |
| 5048563 | Steam and fuel oil supply and purge valve with cooling steam feature | Bascom F. Buchanan | 1991-09-17 |
| 4798223 | Double block and vent valve system | Richard A. Mitchell | 1989-01-17 |