Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966716 | Method of assembling direct-drive generator | Daniel Gizaw, Joseph E. Miller, Girma Desta | 2011-06-28 |
| 7750522 | Slow-speed direct-drive generator | Daniel Gizaw, Joseph E. Miller, Girma Desta | 2010-07-06 |
| 7701095 | Permanent-magnet generator and method of cooling | Daniel Gizaw, Joseph E. Miller, Girma Desta | 2010-04-20 |
| 6864616 | Method and apparatus for forming an electric motor having stacked laminations | Robert K. Hollenbeck, Dennis P. Bobay | 2005-03-08 |
| 6722015 | Assembly method for stamped and cupped laminations | Robert Sirois, James J. Holich, Dennis P. Bobay, Robert K. Hollenbeck | 2004-04-20 |
| 6531794 | Method for fabricating motors of different outputs using standardized parts | Subhash Marutirao Brahmavar, Harold B. Harms | 2003-03-11 |
| 6483265 | Methods and systems for minimizing vibration in electric machines | Robert K. Hollenbeck | 2002-11-19 |
| 6479957 | Integral motor and control | Dale F. Yoder, Richard S. Tatman, David T. Molnar | 2002-11-12 |
| 6414408 | Integral motor and control | Dale F. Yoder, Richard S. Tatman, David T. Molnar | 2002-07-02 |
| 6378849 | Methods and apparatus for mounting motors | Subhash Marutirao Brahmavar, David L. Bailey, Harold B. Harms | 2002-04-30 |
| 6348752 | Integral motor and control | Dale F. Yoder, Richard S. Tatman, David T. Molnar | 2002-02-19 |
| 6271638 | Brushless D. C. motor and control assembly | Dale F. Yoder, Richard S. Tatman, David T. Molnar | 2001-08-07 |
| 6239532 | Motor with external rotor | Robert K. Hollenbeck, Dennis P. Bobay, James Grimm, Harold B. Harms, David T. Molnar | 2001-05-29 |
| 5986379 | Motor with external rotor | Robert K. Hollenbeck, Dennis P. Bobay, James Grimm, Harold B. Harms, David T. Molnar | 1999-11-16 |
| 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, Thomas Merlin Jahns +5 more | 1999-11-16 |
| 5982122 | Capacitively powered motor and constant speed control therefor | Robert K. Hollenbeck, James R. Kiefer | 1999-11-09 |
| 5847524 | Constant speed control for a motor | James R. Kiefer, Robert K. Hollenbeck | 1998-12-08 |
| 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, Thomas Merlin Jahns +5 more | 1998-08-18 |
| 5696430 | Circuit, motor, and method generating a signal representing back EMF in an energized motor winding | Eric R. Benedict | 1997-12-09 |
| 5657638 | Two speed control circuit for a refrigerator fan | Warren F. Bessler | 1997-08-19 |
| 5646491 | Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position | James A. Beatty | 1997-07-08 |
| RE35124 | Control system, electronically commutated motor system, draft inducer apparatus and method | Mark A. Brattoli | 1995-12-19 |
| 5376866 | Motor controls, refrigeration systems and methods of motor operation and control | — | 1994-12-27 |
| 5227704 | Motor controls, refrigeration systems and methods of motor operation and control | — | 1993-07-13 |
| 5125067 | Motor controls, refrigeration systems and methods of motor operation and control | — | 1992-06-23 |