Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8576527 | Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel | Bogdan Z. Kasztenny, Tony J. Lee | 2013-11-05 |
| 8559146 | Line current differential protection upon loss of an external time reference | Bogdan Z. Kasztenny, Normann Fischer | 2013-10-15 |
| 8494795 | Apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system | Gregary C. Zweigle, Armando Guzman-Casillas | 2013-07-23 |
| 8154836 | Line current differential protection upon loss of an external time reference | Bogdan Z. Kasztenny, Normann Fischer | 2012-04-10 |
| 8111492 | Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel | Tony J. Lee, Bogdan Z. Kasztenny | 2012-02-07 |
| 7877624 | Faulted circuit indicator monitoring device with wireless memory monitor | Douglas A. Park, Witold Teller, Steven A. McMahon, Donald Hicks | 2011-01-25 |
| 7868776 | Apparatus and system for adjusting settings of a power system device using a magnetically coupled actuator | James R. Kesler, Steven A. McMahon, Witold Teller | 2011-01-11 |
| 7692538 | User interface for monitoring a plurality of faulted circuit indicators | Edmund O. Schweitzer, III, Mark J. Bosold, Douglas A. Park, Laurence Virgl Feight | 2010-04-06 |
| 7570469 | Dynamically configurable relay element and related methods | Armando Guzman-Casillas | 2009-08-04 |
| 7480580 | Apparatus and method for estimating synchronized phasors at predetermined times referenced to an absolute time standard in an electrical system | Gregary C. Zweigle, Armando Guzman-Casillas | 2009-01-20 |
| 6662124 | Protective relay with synchronized phasor measurement capability for use in electric power systems | Edmund O. Schweitzer, III, Armando Guzman-Casillas, Gregary C. Zweigle, Gabriel Benmouyal | 2003-12-09 |
| 6608742 | Voltage and current source selection system for use in the protection, automation and control of an electric power system | Edmund O. Schweitzer, III, Jeffrey B. Roberts, Armando Guzman-Casillas, Joseph B. Mooney | 2003-08-19 |
| 5963404 | Restricted earth fault protection for transformers using a directional element | Armando Guzman-Casillas | 1999-10-05 |
| 5157575 | Circuit breaker failure relay system for power transmission line systems | Mark W. Feltis | 1992-10-20 |