Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539753 | Hybrid rocket motor with annular, concentric solid fuel elements | — | 2013-09-24 |
| 8099945 | Hybrid propulsion system | Chris Grainger | 2012-01-24 |
| 7503165 | Hybrid propulsion system | Chris Grainger | 2009-03-17 |
| 7404288 | High propulsion mass fraction hybrid propellant system | Marti Sarigul-Klijn, Nesrin Sarigul-Klijn, Jim Benson, Grant Williams | 2008-07-29 |
| 7069717 | Hybrid propulsion system | Chris Grainger | 2006-07-04 |