Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913485 | Dual mode propulsion system | William M. Butler | 2011-03-29 |
| 7870720 | Inlet electromagnetic flow control | Paul D. McClure | 2011-01-18 |
| 6758032 | System of pulsed detonation injection for fluid flow control of inlets, nozzles, and lift fans | Louis G. Hunter, Jr., Daniel N. Miller | 2004-07-06 |
| 6616092 | Reusable flyback rocket booster and method for recovering same | Kenneth H. Barnes, William M. Butler | 2003-09-09 |
| 6477829 | Combined cycle pulse combustion/gas turbine engine | Louis G. Hunter, Jr., Billy D. Couch | 2002-11-12 |