Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211536 | Boltless turbine nozzle/stationary seal mounting | Robert Ingram Ackerman, Alan M. Walker | 1993-05-18 |
| 4890981 | Boltless rotor blade retainer | Robert J. Corsmeier, Richard W. Albrecht, Dennis Paul Dry | 1990-01-02 |
| 4480958 | High pressure turbine rotor two-piece blade retainer | — | 1984-11-06 |