Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537070 | Autonomous portable range extender | Boris Maslov, Eun Kim | 2009-05-26 |
| 7492240 | Integrated capacitor and inductor | William A. Lynch, Thong N. Ly, Richard A. McConnell | 2009-02-17 |
| 7449793 | Portable range extender with autonomous control of starting and stopping operations | Eun Kim | 2008-11-11 |
| 7259664 | Sensorless fuel level and oil change indicators | Eun Kim | 2007-08-21 |
| 7224132 | Portable range extender operable in automatic and manual modes | Eun Kim | 2007-05-29 |
| 6362544 | Electromagnetic device with embedded windings and method for its manufacture | Ralph Johnston, Ronald A. Martin | 2002-03-26 |
| 6346810 | Electric motor control using temperature and magnetic field strength variation of its stator liminations | Chong Ock Lee | 2002-02-12 |
| 6262574 | Sensor for measuring magnetic field strength and temperature for an electric motor | Chong Ock Lee | 2001-07-17 |
| 6232681 | Electromagnetic device with embedded windings and method for its manufacture | Ralph Johnston, Ronald A. Martin | 2001-05-15 |
| 5894902 | Self-propelled wheel for wheeled vehicles | — | 1999-04-20 |
| 5826883 | Sealing ring with deformable tubular sheath filled with permanent magnetic granules and method of making the same | William P. Krol, Jr., Antonio M. Amaral | 1998-10-27 |
| 5818141 | Squirrel cage type electric motor rotor assembly | William P. Krol, Jr. | 1998-10-06 |
| 5702273 | Marine propulsion system for underwater vehicles | William P. Krol, Jr. | 1997-12-30 |
| 5661260 | Fin assembly for a vehicle | Stanley J. Olson | 1997-08-26 |
| 5649811 | Combination motor and pump assembly | William P. Krol, Jr., James S. Uhlman, Ralph Andrew Bedingfield | 1997-07-22 |
| 5607329 | Integrated motor/marine propulsor with permanent magnet blades | Ralph Andrew Bedingfield, William P. Krol, Jr., James S. Uhlman | 1997-03-04 |
| 5569111 | Permanent magnet torque/force transfer apparatus | Ralph Andrew Bedingfield | 1996-10-29 |
| 5397953 | Stator for disc type electric motor | — | 1995-03-14 |
| 5392881 | Device for dampening vibratory motion | John Hung | 1995-02-28 |