Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116138 | Multi-element propeller blade deicer scheme for balanced three-phase electrical loads | — | 2024-10-15 |
| 11479339 | Propeller blade pitch angle feedback from actuator rotation | — | 2022-10-25 |
| 11417241 | Artificial canine model | Christopher Sakezles | 2022-08-16 |
| 9718536 | Counter-rotating open-rotor (CROR) | Paul A. Carvalho, Mark Raes, Robert H. Perkinson | 2017-08-01 |
| 9512728 | Simplified propeller balancing system and method | Robert H. Perkinson | 2016-12-06 |
| 9120559 | Propeller blade pitch actuation system | Paul A. Carvalho | 2015-09-01 |
| 9051044 | Counter-rotating open-rotor (CROR) | Eric Talasco, Paul A. Carvalho, Robert H. Perkinson | 2015-06-09 |
| 8894418 | Retractable contact assembly | Robert H. Perkinson | 2014-11-25 |
| 8651811 | Control logic for a propeller system | — | 2014-02-18 |
| 8167553 | Electrical system for driving a propeller pitch change mechanism | Robert H. Perkinson | 2012-05-01 |
| 6811376 | Actuation system for a controllable pitch propeller | David V. Arel, Robert H. Perkinson | 2004-11-02 |
| 6609900 | Dynamic brake with backlash control for peristaltic pump | Lori Lucke, Richard A. Griewski | 2003-08-26 |
| 6422816 | Variable pitch propeller control system | — | 2002-07-23 |
| 6059528 | Electronic propeller control system | Charles L. DeGeorge, Paul A. Carvalho | 2000-05-09 |