Issued Patents All Time
Showing 76–100 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8319173 | Arc flash protection with self-test | Veselin Skendzic, Gary W. Scheer, James R. Kesler, Douglas M. Trout, Dhruba P. Das | 2012-11-27 |
| 8319628 | Three-phase faulted circuit indicator | Laurence V. Feight, James Manely Duros, Joseph R. Rauch | 2012-11-27 |
| 8275485 | Electric power system automation using time coordinated instructions | David E. Whitehead, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8275486 | Electric power system automation using time coordinated instructions | David E. Whitehead, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8275487 | Electric power system automation using time coordinated instructions | David E. Whitehead, Gregary C. Zweigle, Normann Fischer, Robert E. Morris | 2012-09-25 |
| 8248061 | Power angle monitor | David E. Whitehead | 2012-08-21 |
| 8248060 | Power angle monitor | David E. Whitehead | 2012-08-21 |
| 8155326 | System, method, and apparatus for using the sound signature of a device to determine its operability | David E. Whitehead, Timothy M. Minteer | 2012-04-10 |
| 8112235 | State and topology processor | Marcos A. Donolo, Armando Guzman-Casillas | 2012-02-07 |
| 8059006 | System and method for communicating power system information through a radio frequency device | Luthor S. Anderson, Witold Teller, Mark J. Bosold, Douglas A. Park, Steven A. McMahon +3 more | 2011-11-15 |
| 7856327 | State and topology processor | Marcos A. Donolo, Armando Guzman-Casillas | 2010-12-21 |
| 7746241 | Magnetic probe apparatus and method for providing a wireless connection to a detection device | Laurence V. Feight, Witold R. Tellor, Donald Hicks | 2010-06-29 |
| 7692538 | User interface for monitoring a plurality of faulted circuit indicators | Luther S. Anderson, Mark J. Bosold, Douglas A. Park, Laurence Virgl Feight | 2010-04-06 |
| 7582986 | Compensated inverse-time undervoltage load shedding systems | Ralph W. Folkers, Jeffrey B. Roberts, Armando Guzman-Casillas, Gabriel Benmouyal | 2009-09-01 |
| 7460347 | Systems and methods for performing a redundancy check using intelligent electronic devices in an electric power system | Edmund A. Schweitzer, Tony J. Lee | 2008-12-02 |
| RE40569 | Communications processor for electric power substations | David C. Wood | 2008-11-11 |
| 7375941 | Protective relay capable of protection applications without protection settings | Tony J. Lee | 2008-05-20 |
| 7356422 | Apparatus and method for high-speed load shedding in an electrical power system | — | 2008-04-08 |
| 7345862 | Protective relay for power systems having fault distance measurement filter logic | Joseph B. Mooney | 2008-03-18 |
| 7239496 | Distance protective relay using a programmable thermal model for thermal protection | Gabriel Benmouyal, Michael B. Bryson | 2007-07-03 |
| 7123459 | Protective relay capable of protection applications without protection settings | Tony J. Lee | 2006-10-17 |
| 7123457 | System for transitioning to the trip threshold for the start condition thermal model for a motor protection relay | Stanley E. Zocholl | 2006-10-17 |
| 6920028 | Digital protective relay for power systems with operator-initiated record keeping capability | — | 2005-07-19 |
| 6774785 | Front panel light system for an electronic instrument which indicates the operating condition of the front panel lights and selected portions of the instrument | — | 2004-08-10 |
| 6662124 | Protective relay with synchronized phasor measurement capability for use in electric power systems | Luther S. Anderson, Armando Guzman-Casillas, Gregary C. Zweigle, Gabriel Benmouyal | 2003-12-09 |