Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12186607 | Ullage pressure-driven valve for fire suppression | John Wright Porterfield, Jr., David Frasure | 2025-01-07 |
| 11865385 | Ullage pressure-driven valve for fire suppression | John Wright Porterfield, Jr., David Frasure | 2024-01-09 |