Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10539157 | Fan blade surface features | David R. Hennessy, Kevin Cahill | 2020-01-21 |
| 5613586 | Rotational control apparatus | John Davis, Robert C. Bredt | 1997-03-25 |
| 4648493 | Rotational control apparatus | Leonid Dayen, Charles D. Raines | 1987-03-10 |
| 4576266 | Rotational control apparatus | Leonid Dayen, Charles D. Raines | 1986-03-18 |
| 4445605 | Spring engaged fluid released fan clutch for a live shaft | — | 1984-05-01 |
| 4427102 | Fluid engaged and spring returned fan clutch | — | 1984-01-24 |
| 4425993 | Fluid engaged spring released fan clutch having a modular mount for a spring engaged fluid released fan clutch | — | 1984-01-17 |
| 4408685 | Fluid set and spring released clutch | Charles D. Raines | 1983-10-11 |
| 4355710 | Spring engaged fluid released fan clutch for a live shaft | — | 1982-10-26 |