Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8942954 | Fault location in a non-homogeneous electric power line | Yanfeng Gong, Mangapathirao Venkata Mynam, Richard M. Edge | 2015-01-27 |
| 8781766 | Fault location using traveling waves | Edmund O. Schweitzer, III, Veselin Skendzic, Mangaoathirao Venkata Mynam | 2014-07-15 |
| 8655609 | Fault location using traveling waves | Edmund O. Schweitzer, III, Veselin Skendzic, Mangapathirao Venkata Mynam | 2014-02-18 |
| 8655608 | Symmetrical component amplitude and phase comparators for line protection using time stamped data | — | 2014-02-18 |
| 8558551 | Fault location in electric power delivery systems | Mangapathirao Venkata Mynam, Yanfeng Gong | 2013-10-15 |
| 8525522 | Fault location in electric power delivery systems | Yanfeng Gong | 2013-09-03 |
| 8494795 | Apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system | Gregary C. Zweigle, Luther S. Anderson | 2013-07-23 |
| 8410785 | Electrical power system phase and ground protection using an adaptive quadrilateral characteristics | Jorge Fernando Calero, Gabriel Benmouyal | 2013-04-02 |
| 8405944 | Distributed bus differential protection using time-stamped data | Marcos A. Donolo, Edmund O. Schweitzer, III | 2013-03-26 |
| 8346402 | Islanding detection in an electrical power delivery system | Mangapathirao Venkata Mynam, Marcos A. Donolo | 2013-01-01 |
| 8321162 | Minimizing circulating current using time-aligned data | Casper A. Labuschagne, Normann Fischer, Satish Samineni | 2012-11-27 |
| 8194374 | Differential element with harmonic blocking and harmonic restraint operating in parallel | Normann Fischer | 2012-06-05 |
| 8112235 | State and topology processor | Edmund O. Schweitzer, III, Marcos A. Donolo | 2012-02-07 |
| 8031447 | Transformer through-fault current monitor | Normann Fischer | 2011-10-04 |
| 7987059 | Real-time power system oscillation detection using modal analysis | Yanfeng Gong | 2011-07-26 |
| 7930117 | Systems and methods for power swing and out-of-step detection using time stamped data | — | 2011-04-19 |
| 7856327 | State and topology processor | Edmund O. Schweitzer, III, Marcos A. Donolo | 2010-12-21 |
| 7710693 | Apparatus and method for providing protection for a synchronous electrical generator in a power system | Hector Altuve-Ferrer | 2010-05-04 |
| 7630863 | Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith | Gregary C. Zweigle, Charles E. Petras, Ping Jiang | 2009-12-08 |
| 7582986 | Compensated inverse-time undervoltage load shedding systems | Ralph W. Folkers, Jeffrey B. Roberts, Edmund O. Schweitzer, III, Gabriel Benmouyal | 2009-09-01 |
| 7570469 | Dynamically configurable relay element and related methods | Luther S. Anderson | 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, Luther S. Anderson | 2009-01-20 |
| 7196884 | Apparatus and method for detecting the loss of a current transformer connection coupling a current differential relay to an element of a power system | Normann Fischer | 2007-03-27 |
| 6845333 | Protective relay with synchronized phasor measurement capability for use in electric power systems | Luth r S. Anderson, Gregary C. Zweigle, Gabriel B nmouyal | 2005-01-18 |
| 6757146 | Instantaneous overcurrent element for heavily saturated current in a power system | Gabriel Benmouyal, Stanley E. Zocholl | 2004-06-29 |