Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128253 | Rotor resistance based motor thermal protection | — | 2021-09-21 |
| 10454390 | Detection of initial motor rotation in mains-fed induction motor | — | 2019-10-22 |
| 9851382 | Power meter with current and phase sensor | Marc Bruel, Paul R. Buda, Colin N. Gunn, Alexander Filippenko | 2017-12-26 |
| 9231512 | Systems, methods, and devices for demodulating induction motor instantaneous rotor slot harmonic frequency | Zhi Gao, Larry A. Turner, Benoit Leprettre | 2016-01-05 |
| 8800309 | Method of automatically detecting an anomalous condition relative to a nominal operating condition in a vapor compression system | Paul R. Buda, Scott Robert Littler | 2014-08-12 |
| 8744630 | System and method for measuring atmospheric parameters in enclosed spaces | Mark Kocher | 2014-06-03 |
| 8373379 | Methods and devices for estimation of induction motor inductance parameters | Zhi Gao, Larry A. Turner | 2013-02-12 |
| 8332163 | Methods and apparatus for estimating rotor slots | Larry A. Turner, Zhi Gao | 2012-12-11 |
| 8131482 | Methods and apparatus for estimating rotor slots | Larry A. Turner, Zhi Gao | 2012-03-06 |
| 8102140 | Method and apparatus for estimating induction motor electrical parameters | Zhi Gao, Larry A. Turner | 2012-01-24 |
| 8035322 | Methods and apparatuses for estimating transient slip | Larry A. Turner, Zhi Gao | 2011-10-11 |
| 7766231 | Devices and methods for determining the amount of individual usage of a shared commodity | Robert Oldham | 2010-08-03 |
| 7769552 | Method and apparatus for estimating induction motor rotor temperature | Zhi Gao, Larry A. Turner | 2010-08-03 |
| 7680234 | Method and apparatus for signal phase locking | Mark Kocher, Gerald Benjamin Carson | 2010-03-16 |
| 7570074 | Electronic overload relay for mains-fed induction motors | Zhi Gao, Thomas G. Habetler, Ronald G. Harley | 2009-08-04 |
| 7183667 | Method and apparatus for power inverter synchronization | Mark Kocher, Gerald Benjamin Carson | 2007-02-27 |
| 7112898 | Real-time digital voltage sag compensator | Scott Brown, Mark Kocher, Robert Dwulet, Timothy B. Phillips | 2006-09-26 |
| 7079365 | Electrical fault detection system | Scott Brown, Kyle Hunter | 2006-07-18 |
| 7015597 | Power regulator for power inverter | Mark Kocher, Gerald Benjamin Carson | 2006-03-21 |
| 6452360 | Auto tuning and parameter identification of a control circuit | — | 2002-09-17 |
| 6163472 | Elevator DC motor drive with unity power factor, including regeneration | — | 2000-12-19 |
| 5929400 | Self commissioning controller for field-oriented elevator motor/drive system | Alberto Vecchiotti, Neil A. Greiner, Leslie Lamontagne, Ronnie E. Thebeau | 1999-07-27 |
| 5909018 | Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive | Alberto Vecchiotti | 1999-06-01 |
| 5896954 | Automatic fine tuning of rotor time constant in field-oriented elevator motor drive | Alberto Vecchiotti, Neil A. Greiner | 1999-04-27 |
| 5883344 | Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements | Alberto Vecchiotti, Leslie Lamontagne | 1999-03-16 |