Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334821 | Regenerative rotodynamic machines | Herbert Sixsmith, Geoffrey K. Soar, James W. Burton | 1982-06-15 |
| 4306833 | Regenerative rotodynamic machines | Herbert Sixsmith, Geoffrey K. Soar, James W. Burton | 1981-12-22 |