Issued Patents All Time
Showing 51–75 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6199023 | System for removing spurious signatures in motor current signature analysis | — | 2001-03-06 |
| 6198803 | Bearing assembly including rotating element and magnetic bearings | Mohamed Osama, Neil Richard Garrigan | 2001-03-06 |
| 6169489 | Motor winding contamination detector and detection | Robert Henry Rehder | 2001-01-02 |
| 6159305 | High speed induction motor rotor and method of fabrication | Raymond Alan White, Wen Liang Soong, Roger N. Johnson, Joseph E. Miller, John R. Hughes | 2000-12-12 |
| 6145187 | Method for manufacturing a claw pole stator structure | — | 2000-11-14 |
| 6141856 | Method of fabricating rotors with retaining cylinders and reduced harmonic field effect losses | Roger N. Johnson, Yuefeng Liao, Wen Liang Soong | 2000-11-07 |
| 6140730 | High efficiency electric generator for mechanically powered electronic equipment | John Eric Tkaczyk, Jerome J. Tiemann | 2000-10-31 |
| 6141196 | Method and apparatus for compensation of phasor estimations | William James Premerlani, David J. Hoeweler, Albert Andreas Maria Esser, James P. Lyons, Rudolph Alfred Albert Koegl +1 more | 2000-10-31 |
| 6121788 | Method and fixture for evaluating stator core quality in production | Albert Andreas Maria Esser | 2000-09-19 |
| 6042265 | Sensorless estimation of rotor temperature in induction motors | James H. Dymond | 2000-03-28 |
| 6043664 | Method and apparatus for turn fault detection in multi-phase AC motors | Thomas G. Habetler, Marcus A. Cash | 2000-03-28 |
| 6029336 | Method of fabricating a permanent magnet line start motor having magnets outside the starting cage | Mark A. Preston, Donald W. Jones | 2000-02-29 |
| 6025666 | Controllable flux permanent magnet motor | — | 2000-02-15 |
| 6012217 | Method of fabrication of motor coil stator including bobbin wound coils | Mark A. Preston, Chester Stanley Jezierski, Jr., Donald W. Jones | 2000-01-11 |
| 5990588 | Induction motor driven seal-less pump | Paul A. Siemers, Daniel M. Saban | 1999-11-23 |
| 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 |
| 5890277 | Method for manufacturing a claw pole stator structure | — | 1999-04-06 |
| 5859483 | Staggered cooling holes for enhanced heat transfer in air-cooled motors | Richard Kenneth Barton | 1999-01-12 |
| 5828210 | X-ray tube anode drive speed monitor including flux pickup coil | Rudolph Alfred Albert Koegl, Steven D. Hansen | 1998-10-27 |
| 5801470 | Rotors with retaining cylinders and reduced harmonic field effect losses | Roger N. Johnson, Yuefeng Liao, Wen Liang Soong | 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 |
| 5793138 | Fabrication of induction motors | Clive W. Reed | 1998-08-11 |
| 5786708 | Self-tuning and compensating turn fault detector | William James Premerlani, David J. Hoeweler, Rudolph Alfred Albert Koegl | 1998-07-28 |
| 5742522 | Adaptive, on line, statistical method and apparatus for detection of broken bars in motors by passive motor current monitoring and digital torque estimation | Birsen Yazici | 1998-04-21 |
| 5729066 | Combined radial and axial magnetic bearings | Wen Liang Soong, James P. Lyons | 1998-03-17 |