Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427131 | Voltage regulation at a remote location using measurements from a remote metering device | Michael B. Bryson | 2013-04-23 |
| 8275486 | Electric power system automation using time coordinated instructions | Edmund O. Schweitzer, III, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8275487 | Electric power system automation using time coordinated instructions | Edmund O. Schweitzer, III, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8275485 | Electric power system automation using time coordinated instructions | Edmund O. Schweitzer, III, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8248061 | Power angle monitor | Edmund O. Schweitzer, III | 2012-08-21 |
| 8248060 | Power angle monitor | Edmund O. Schweitzer, III | 2012-08-21 |
| 8155326 | System, method, and apparatus for using the sound signature of a device to determine its operability | Edmund O. Schweitzer, III, Timothy M. Minteer | 2012-04-10 |
| 7680273 | System and method for optimizing error detection to detect unauthorized modification of transmitted data | Allen D. Risley | 2010-03-16 |
| 7272201 | System for synchronous sampling and time-of-day clocking using an encoded time signal | Gregary C. Zweigle, David J. Casebolt | 2007-09-18 |
| 7230809 | System for checking synchronization of AC voltage sources before closing a power circuit breaker | — | 2007-06-12 |
| 6839210 | Bus total overcurrent system for a protective relay | Jeffrey B. Roberts | 2005-01-04 |
| 6836395 | Protective relay system having settings provided therein for all protective relay locations in a power system | — | 2004-12-28 |
| 6785105 | Ground fault detection system for ungrounded power systems | Jeffrey B. Roberts | 2004-08-31 |
| 6639413 | System and method for calibration of data in an electric power monitoring system | Gregary C. Zweigle | 2003-10-28 |
| 6084755 | Protective relay-based monitoring system of DC power within an electric power substation | Jeffrey B. Roberts, Tony J. Lee | 2000-07-04 |
| 5914663 | Detection of subsidence current in the determination of circuit breaker status in a power system | — | 1999-06-22 |