| 10175080 |
System and method for indicating an efficiency of a fluid movement system |
Brian L. Beifus, Roger Carlos Becerra, Marc McKinzie, Joshua T. Doseck, John Sheldon Wagley |
2019-01-08 |
| 10033242 |
Electrical machines and methods of assembling the same |
Rachele Barbara Cocks, Michael Allen Marks |
2018-07-24 |
| 10008972 |
Systems and methods for determining loss of phase for power provided to an electric motor |
Zachary Joseph Stauffer, Brian L. Beifus, Maung Saw Eddison, Ludovic Andre Chretien |
2018-06-26 |
| 8896248 |
Methods and systems for controlling a motor |
Roger Carlos Becerra, Ludovic Andre Chretien, Glen C. Young |
2014-11-25 |
| 8810170 |
Methods and apparatus for electric motor controller protection |
Guy Bonner, Jr. |
2014-08-19 |
| D707629 |
End cap |
Rachele Barbara Cocks, Michael Allen Marks |
2014-06-24 |
| 8368331 |
Methods and apparatus for monitoring average current and input power in an electronically commutated motor |
Guy Bonner, Jr. |
2013-02-05 |
| 7106019 |
Digital communication link |
Roger Carlos Becerra, William R. Archer, Brian L. Beifus |
2006-09-12 |
| 6765361 |
Motor control circuit |
Brian L. Beifus |
2004-07-20 |
| 6456023 |
Method and apparatus to control a variable speed motor |
Roger Carlos Becerra, Dirk van der Duim |
2002-09-24 |
| 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, David M. Erdman, Thomas Merlin Jahns +5 more |
1999-11-16 |
| 5825107 |
Drive package for a dynamoelectric machine |
Philip Wayne Johnson, Jeffrey Neumann |
1998-10-20 |
| 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, David M. Erdman, Thomas Merlin Jahns +5 more |
1998-08-18 |
| 5675231 |
Systems and methods for protecting a single phase motor from circulating currents |
Roger Carlos Becerra |
1997-10-07 |
| 5592058 |
Control system and methods for a multiparameter electronically commutated motor |
William R. Archer, Roger Carlos Becerra, Brian L. Beifus, Rajendra K. Shah |
1997-01-07 |
| 5557182 |
System and methods for controlling a draft inducer to provide a desired operating area |
Robert K. Hollenbeck |
1996-09-17 |
| RE35124 |
Control system, electronically commutated motor system, draft inducer apparatus and method |
David M. Erdman |
1995-12-19 |
| 5075608 |
Control system, electronically commutated motor system, draft inducer apparatus and method |
David M. Erdman |
1991-12-24 |