Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534891 | High speed induction motor rotor and method of fabrication | Gerald Burt Kliman, Raymond Alan White, Roger N. Johnson, Joseph E. Miller, John R. Hughes | 2003-03-18 |
| RE37576 | Single phase motor with positive torque parking positions | Charles Michael Stephens | 2002-03-12 |
| 6345433 | Fabrication method for high speed induction motor rotor | Gerald Burt Kliman, Raymond Alan White, Roger N. Johnson, Joseph E. Miller, John R. Hughes | 2002-02-12 |
| 6166469 | Method of fabricating a compact bearingless machine drive system | Mohamed Osama, Neil Richard Garrigan | 2000-12-26 |
| 6159305 | High speed induction motor rotor and method of fabrication | Gerald Burt Kliman, Raymond Alan White, Roger N. Johnson, Joseph E. Miller, John R. Hughes | 2000-12-12 |
| 6141856 | Method of fabricating rotors with retaining cylinders and reduced harmonic field effect losses | Roger N. Johnson, Gerald Burt Kliman, Yuefeng Liao | 2000-11-07 |
| 6034456 | Compact bearingless machine drive system | Mohamed Osama, Neil Richard Garrigan | 2000-03-07 |
| 5986419 | Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor | William R. Archer, Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, David M. Erdman +5 more | 1999-11-16 |
| 5801470 | Rotors with retaining cylinders and reduced harmonic field effect losses | Roger N. Johnson, Gerald Burt Kliman, Yuefeng Liao | 1998-09-01 |
| 5796194 | Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor | William R. Archer, Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, David M. Erdman +5 more | 1998-08-18 |
| 5773908 | Single phase motor with positive torque parking positions | Charles Michael Stephens | 1998-06-30 |
| 5729066 | Combined radial and axial magnetic bearings | James P. Lyons, Gerald Burt Kliman | 1998-03-17 |