Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8901896 | System and method for non-sinusoidal current waveform excitation of electrical generators | Ayman Mohamed Fawzi El-Refaie, Robert Dean King | 2014-12-02 |
| 8222855 | System and method for non-sinusoidal current waveform excitation of electrical machines | Ayman Mohamed Fawzi El-Refaie, Robert Dean King | 2012-07-17 |
| 8181333 | Method of manufacturing squirrel-cage rotor | Timothy J. Alfermann, Arthur L. McGrew, Jr. | 2012-05-22 |
| 8115434 | High-speed self-cascaded electric machine | Robert Dean King, Ayman Mohamed Fawzi El-Refaie | 2012-02-14 |
| 8056211 | Method of assembling a stator for an electric motor | Alan G. Holmes, Richard A. Ordo | 2011-11-15 |
| 7937823 | Method for producing a stator assembly | Timothy J. Alfermann, Arthur L. Mc Grew, Jr., Charles B. Lucas, Alan G. Holmes | 2011-05-10 |
| 7936104 | Permanent magnet machines with stator pole sections having different magnetic materials | Timothy J. Alfermann, Arthur L. McGrew, Jr. | 2011-05-03 |
| 7791240 | Stir-welded rotors and methods of making | Timothy J. Alfermann, Arthur L. Mc Grew, Jr., Charles B. Lucas, Mark L. Anderson | 2010-09-07 |
| 7696661 | Stator for an electric motor and assembly method | Alan G. Holmes, Richard A. Ordo | 2010-04-13 |
| 7646130 | Stator segment and method of assembly | Alan G. Holmes, Richard A. Ordo | 2010-01-12 |
| 7643733 | Control device for driving a brushless DC motor | Asma B. Rhouma, Ahmed Masmoudi, Alan G. Holmes | 2010-01-05 |
| 7538457 | Electric motor assemblies with coolant flow for concentrated windings | Alan G. Holmes, Richard A. Ordo | 2009-05-26 |
| 7479716 | Cooling system for a stator assembly | Timothy J. Alfermann, Arthur L. Mc Grew, Jr., Charles B. Lucas | 2009-01-20 |
| 7402923 | Electrically variable transmission | Donald Klemen, Michael R. Schmidt | 2008-07-22 |
| 6743135 | Modularly-constructed vehicular transmissions | Donald Klemen, Michael R. Schmidt | 2004-06-01 |
| 6579202 | Lubrication and cooling system for power receiving and delivery units in an electro-mechanical vehicular transmission | George G. Shafer, Jr., Donald Klemen | 2003-06-17 |
| 6509667 | Rotor for a reluctance motor | Frank A. Wilder, David Allen Score | 2003-01-21 |
| 6064134 | Rotor for a synchronous reluctance machine | Moshen M. Erfanfar, Ronald A. Martin | 2000-05-16 |
| 6008562 | Rotor section containment with steel punched star | Moshen M. Erfanfar | 1999-12-28 |
| 5929551 | Rotor section containment with steel punched star | Moshen M. Erfanfar | 1999-07-27 |
| 5898253 | Grain oriented composite soft magnetic structure | Robert W. Ward | 1999-04-27 |
| 5693250 | Grain oriented composite soft magnetic structure | Robert W. Ward | 1997-12-02 |
| 5296773 | Composite rotor for a synchronous reluctance machine | Donald Klemen | 1994-03-22 |
| 4740738 | Reluctance motor control system and method | Jacob Zubek | 1988-04-26 |
| 4459502 | Self-cascaded reluctance motor with axially laminated rotor | — | 1984-07-10 |