Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280142 | Pressure relief device for a propeller hub | Paul A. Carvalho | 2001-08-28 |
| 6241473 | Pressure relief device for a propeller hub | Matthew Soule, Thomas G. Corley | 2001-06-05 |
| 6137082 | Multiple piece propeller deicing system brush block housings | Daniel J. Madar | 2000-10-24 |
| 6077040 | Control system for blades for a variable pitch propeller | Paul A. Carvalho | 2000-06-20 |
| 6069341 | Brush block housing for propeller deicing system | Marc E. Gage | 2000-05-30 |
| 5865599 | System and process for direct blade angle measurement in propulsion systems | Harry R. Paquin, III, Geoffrey Wolfe, David V. Arel | 1999-02-02 |
| 5836743 | Variable pitch counterweighted propeller system with releasable hydraulic pitchlock | Paul A. Carvalho | 1998-11-17 |