Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9346489 | Steering system with magnetic torque overlay | Jason A. Dutsky, Brenda L. Martin, Joel E. Birsching | 2016-05-24 |
| 7932635 | Transfer switch system with neutral current management | Suratkal P. Shenoy, Peter A. Panfil, Richard T. Caudill, William A. Barcus, James K. Martin | 2011-04-26 |
| 7598880 | Wireless battery monitoring system and method | Daniel M. Chrystal, David G. Saliaris | 2009-10-06 |
| 7564148 | UPS having a dual-use boost converter | — | 2009-07-21 |
| 7511229 | Sensor module, system, and method for sensors in proximity to circuit breakers | Gerald R. Vlasak, Gregg J. Nelson, James K. Martin | 2009-03-31 |
| 7477501 | System and method of mounting current transducers in proximity to circuit breakers | Gregg J. Nelson, Gerald R. Vlasak, James K. Martin | 2009-01-13 |
| 7364006 | Steering system with leads and pulls compensation | Joel E. Birsching, Henry Yang, Martin Sheridan, Stephen J. Reider | 2008-04-29 |
| 6768223 | Apparatus and method for rapid fault detection and transfer in a utility-interactive uninterruptible power supply | Robert W. Baker | 2004-07-27 |
| 5409036 | Electromagnetically operated pneumatic valve assembly for an electrical contactor actuator | Mehdi Ahmadian, Stephen M. Drabant | 1995-04-25 |
| 4719550 | Uninterruptible power supply with energy conversion and enhancement | Don A. Gephart | 1988-01-12 |
| 4709318 | UPS apparatus with control protocols | Don A. Gephart | 1987-11-24 |
| 4684875 | Power conditioning system and apparatus | — | 1987-08-04 |
| 4544877 | Power conditioning system and apparatus | — | 1985-10-01 |
| 4305033 | Polyphase ferroresonant voltage stabilizer having input chokes with non-linear impedance characteristic | — | 1981-12-08 |