Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360997 | Vibration damper coating | John Frederick Ackerman, Kenneth L. Johnson | 2008-04-22 |
| 7188464 | Methods for operating gas turbine engines | John Frederick Ackerman | 2007-03-13 |
| 6920748 | Methods and apparatus for operating gas turbine engines | John Frederick Ackerman | 2005-07-26 |