Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410996 | Method and system employing finite state machine modeling to identify one of a plurality of different electric load types | Liang Du, Yi Yang, Ronald G. Harley, Dawei He | 2016-08-09 |
| 9170303 | System and method to determine electric motor efficiency using an equivalent circuit | Bin Lu | 2015-10-27 |
| 8405339 | System and method for detecting fault in an AC machine | Pinjia Zhang, Bin Lu | 2013-03-26 |
| 8384338 | System and method for determining stator winding resistance in an AC motor using motor drives | Bin Lu, Pinjia Zhang | 2013-02-26 |
| 8084984 | System and method for monitoring and controlling stator winding temperature in a de-energized AC motor | Bin Lu, Charles John Luebke, Pinjia Zhang, Scott Becker | 2011-12-27 |
| 8010318 | System and method to determine electric motor efficiency nonintrusively | Bin Lu, Ronald G. Harley | 2011-08-30 |
| 7956637 | System and method to determine electric motor efficiency using an equivalent circuit | Bin Lu | 2011-06-07 |
| 7952318 | System and method for determining stator winding resistance in an AC motor | Bin Lu, Pinjia Zhang, Peter J. Theisen | 2011-05-31 |
| 7777516 | System and method for bearing fault detection using stator current noise cancellation | Wei Zhou, Bin Lu, Ronald G. Harley, Peter J. Theisen | 2010-08-17 |
| 7570074 | Electronic overload relay for mains-fed induction motors | Zhi Gao, Ronald G. Harley, Roy S. Colby | 2009-08-04 |
| 7346475 | System and method for proactive motor wellness diagnosis based on potential mechanical faults | Steven Andrew Dimino, Ramzy R. Obaid, Slobodan Krstic, Michael P. Nowak, Yanzhen Liu | 2008-03-18 |
| 7336455 | System and method for proactive motor wellness diagnosis | Steven Andrew Dimino, Ramzy R. Obaid, Slobodan Krstic, Michael P. Nowak, Yanzhen Liu | 2008-02-26 |
| 7117125 | System and method for proactive motor wellness diagnosis based on potential mechanical faults | Steven Andrew Dimino, Ramzy R. Obaid, Slobodan Krstic, Michael P. Nowak, Yanzhen Liu | 2006-10-03 |
| 7075327 | System and method for proactive motor wellness diagnosis | Steven Andrew Dimino, Ramzy R. Obaid, Slobodan Krstic, Michael P. Nowak, Yanzhen Liu | 2006-07-11 |
| 6822839 | Method and apparatus of detecting internal motor faults in an induction machine | — | 2004-11-23 |
| 6621291 | Device and method for estimating the resistance of a stator winding for an AC induction motor | Sang-Bin Lee, David J. Gritter | 2003-09-16 |
| 6611771 | Method and apparatus to detect a stator turn fault in an AC motor | David J. Gritter, Ronald G. Harley, Rangarajan M. Tallam | 2003-08-26 |
| 6236227 | Method and apparatus for turn fault detection in multi-phase AC motors | Gerald Burt Kliman, Marcus A. Cash | 2001-05-22 |
| 6172509 | Detecting polyphase machine faults via current deviation | Marcus A. Cash | 2001-01-09 |
| 6043664 | Method and apparatus for turn fault detection in multi-phase AC motors | Gerald Burt Kliman, Marcus A. Cash | 2000-03-28 |
| 5644458 | Induction machine protection device | Randy Schoen | 1997-07-01 |
| 5629870 | Method and apparatus for predicting electric induction machine failure during operation | Samir F. Farag, Jay H. Schlag | 1997-05-13 |
| 5570256 | Induction machine protection device | Randy Schoen | 1996-10-29 |