Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079221 | Variable geometry hysteresis control for a gas turbine engine | Ray F. Bowman, Phillip J. Steffen, Robert G. Kiser | 2011-12-20 |
| 7866159 | Variable geometry hysteresis control for a gas turbine engine | Ray F. Bowman, Phillip J. Steffen, Robert G. Kiser | 2011-01-11 |
| 5622045 | System for detecting and accommodating gas turbine engine fan damage | Matthew M. Weimer | 1997-04-22 |