Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9537307 | Overvoltage protection method and device | John Duward Sagona, Vietson M. Nguyen, Randall Bax | 2017-01-03 |
| 8450892 | Synchronous generating machine with rectifier snubber circuit | Dhaval Patel | 2013-05-28 |
| 8415914 | Motor drive load damping | Raymond J. Beckmann, Curtis J. Plude | 2013-04-09 |
| 8217630 | Electric load damper for damping torsional oscillation | Albert L. Markunas, Vijay K. Madalli, John Duward Sagona | 2012-07-10 |
| 7994876 | Lightweight electromagnetic interference filter | Frank Z. Feng, Dwight D. Schmitt, John Huss, Curtis B. White, Jamal Shafii +1 more | 2011-08-09 |
| 7880460 | Hardware in the loop motor simulation | Curtis J. Plude, Raymond J. Beckman, Jr. | 2011-02-01 |
| 7810337 | Method to re-engage start of dynamoelectric machine | Gary L. Miles, Raymond J. Beckmann | 2010-10-12 |
| 7755208 | Electric engine start with two motors and single motor drive | Byron R. Mehl | 2010-07-13 |
| 7292003 | Starter/generator with permanent magnet generator position indicator | — | 2007-11-06 |
| 7268522 | Excitation control for wound field synchronous dynamoelectric machines | — | 2007-09-11 |
| 7242105 | Electric engine start with two motors and single motor drive | Byron R. Mehl | 2007-07-10 |
| 7205756 | Unbalanced current detection | — | 2007-04-17 |
| 7109681 | Parallel inverter motor drive with improved waveform and reduced filter requirements | Byron R. Mehl | 2006-09-19 |
| 7068005 | Motor drive with damper | — | 2006-06-27 |
| 6038152 | Active rectifier utilizing a fixed switching pattern | — | 2000-03-14 |
| 5594630 | Add-on distortion scrubber for AC power systems | — | 1997-01-14 |
| 5493201 | Starter/generator system and method utilizing a low voltage source | — | 1996-02-20 |
| 4948209 | VSCF starter/generator systems | Jack W. Ogden | 1990-08-14 |
| 4807106 | Method and circuit for voltage regulation of DC power sources | David A. Fox, Roger Thornton | 1989-02-21 |
| 4743777 | Starter generator system with two stator exciter windings | William J. Shilling | 1988-05-10 |
| 4731690 | Real load unbalance protection system for parallel variable speed constant frequency electrical power systems | Mirza A. Beg | 1988-03-15 |
| 4728806 | DC link variable speed constant frequency power source paralleling controls | Mirza A. Beg | 1988-03-01 |
| 4707142 | Master clock system for a parallel variable speed constant frequency power system | Mirza A. Beg | 1987-11-17 |
| 4694187 | Electromechanical constant speed drive generating system | — | 1987-09-15 |
| 4608626 | Electrical inverter with minority pole current limiting | David A. Fox | 1986-08-26 |