Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887117 | Pump jet with an exhaust bypass and associated methods | John D. Martino, Kimball P. Hall | 2005-05-03 |
| 6270385 | Pump jet rotor housing modification for noise signature spectral control | John D. Martino | 2001-08-07 |
| 6224434 | Pump jet with axial directional flow control device for thrust modulation | John D. Martino | 2001-05-01 |
| 6190218 | Pump jet with redirected exhaust gas through stator vane for drag reduction | Kimball P. Hall, John D. Martino | 2001-02-20 |
| 6168485 | Pump jet with double-walled stator housing for exhaust noise reduction | Kimball P. Hall, John D. Martino | 2001-01-02 |
| 5964626 | Tractor pump jet | Kimball P. Hall, John D. Martino | 1999-10-12 |
| 5846103 | Tractor pump jet | Kimball P. Hall, John D. Martino | 1998-12-08 |
| 5325662 | Advanced exhaust discharge for pump jet propulsion apparatus | John D. Martino, Kimball P. Hall | 1994-07-05 |