| Patent | Date |
|---|
Frequency measurement for load shedding and accurate magnitude calculation
Grant 11,381,084 - Donolo , et al. July 5, 2 | 2022-07-05 |
Detection of low-energy events in an electric power system
Grant 11,280,834 - Schweitzer, III , et al. March 22, 2 | 2022-03-22 |
High-fidelity voltage measurement using a capacitance-coupled voltage transformer
Grant 11,105,832 - Schweitzer, III , et al. August 31, 2 | 2021-08-31 |
High-fidelity Voltage Measurement Using A Capacitance-coupled Voltage Transformer
App 20210018538 - Schweitzer, III; Edmund O. ; et al. | 2021-01-21 |
Fault Detection In Electric Power Delivery Systems Using Underreach, Directional, And Traveling Wave Elements
App 20200350760 - Schweitzer, III; Edmund O. ; et al. | 2020-11-05 |
High-fidelity voltage measurement using a capacitance-coupled voltage transformer
Grant 10,802,054 - Schweitzer, III , et al. October 13, 2 | 2020-10-13 |
Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements
Grant 10,742,022 - Schweitzer, III , et al. A | 2020-08-11 |
Electric power system monitoring using high-frequency signals
Grant 10,656,198 - Schweitzer, III , et al. | 2020-05-19 |
Detection Of Low-energy Events In An Electric Power System
App 20200072904 - Schweitzer, III; Edmund O. ; et al. | 2020-03-05 |
Electric Power System Monitoring Using High-frequency Signals
App 20190339321 - Schweitzer, III; Edmund O. ; et al. | 2019-11-07 |
Time-domain line differential protection of electric power delivery systems
Grant 10,422,827 - Schweitzer, III , et al. Sept | 2019-09-24 |
High-fidelity voltage measurement using resistive divider in a capacitance-coupled voltage transformer
Grant 10,345,363 - Schweitzer, III , et al. July 9, 2 | 2019-07-09 |
High-fidelity Voltage Measurement Using A Capacitance-coupled Voltage Transformer
App 20190195918 - Schweitzer, III; Edmund O. ; et al. | 2019-06-27 |
Traveling Wave Fault Location With Dispersion Compensation In Electric Power Delivery Systems
App 20190187202 - Schweitzer, III; Edmund O. ; et al. | 2019-06-20 |
Time-domain distance line protection of electric power delivery systems
Grant 10,310,005 - Schweitzer, III , et al. | 2019-06-04 |
Time-domain differential line protection of electric power delivery systems
Grant 10,310,004 - Schweitzer, III , et al. | 2019-06-04 |
High-fidelity Voltage Measurement Using Resistive Divider In A Capacitance-coupled Voltage Transformer
App 20190094287 - Schweitzer, III; Edmund O. ; et al. | 2019-03-28 |
Electric power system monitoring using high-frequency signals
Grant 10,180,451 - Schweitzer, III , et al. Ja | 2019-01-15 |
Time-domain Line Differential Protection Of Electric Power Delivery Systems
App 20180292448 - Schweitzer, III; Edmund O. ; et al. | 2018-10-11 |
Time-domain directional line protection of electric power delivery systems
Grant 10,090,664 - Schweitzer, III , et al. October 2, 2 | 2018-10-02 |
Time-domain Distance Line Protection Of Electric Power Delivery Systems
App 20180278048 - Schweitzer, III; Edmund O. ; et al. | 2018-09-27 |
Time-domain Differential Line Protection Of Electric Power Delivery Systems
App 20180212421 - Schweitzer, III; Edmund O. ; et al. | 2018-07-26 |
Time-domain Line Differential Protection Of Electric Power Delivery Systems
App 20180083437 - Schweitzer, III; Edmund O. ; et al. | 2018-03-22 |
Supervision of input signal channels
Grant 9,843,335 - Schweitzer, III , et al. December 12, 2 | 2017-12-12 |
Supervision of Input Signal Channels
App 20170187385 - Schweitzer, III; Edmund O. ; et al. | 2017-06-29 |
Input-controlled multiple threshold debounce system
Grant 9,680,458 - Windley , et al. June 13, 2 | 2017-06-13 |
Fault Detection in Electric Power Delivery Systems Using Underreach, Directional, and Traveling Wave Elements
App 20170146613 - Schweitzer, III; Edmund O. ; et al. | 2017-05-25 |
Arc flash protection system with self-test
Grant 9,653,904 - Schweitzer, III , et al. May 16, 2 | 2017-05-16 |
Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements
Grant 9,627,881 - Schweitzer, III , et al. April 18, 2 | 2017-04-18 |
Electric Power System Monitoring Using High-Frequency Signals
App 20170102426 - Schweitzer, III; Edmund O. ; et al. | 2017-04-13 |
Time-domain Directional Line Protection Of Electric Power Delivery Systems
App 20170082675 - Schweitzer, III; Edmund O. ; et al. | 2017-03-23 |
Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements
Grant 9,594,112 - Schweitzer, III , et al. March 14, 2 | 2017-03-14 |
Fault Detection In Electric Power Delivery Systems Using Underreach, Directional, And Traveling Wave Elements
App 20170012424 - Schweitzer, III; Edmund O. ; et al. | 2017-01-12 |
Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements
Grant 9,470,748 - Schweitzer, III , et al. October 18, 2 | 2016-10-18 |
Fault Detection In Electric Power Delivery Systems Using Underreach, Directional, And Traveling Wave Elements
App 20160077150 - Schweitzer, III; Edmund O. ; et al. | 2016-03-17 |
Fault Detection In Electric Power Delivery Systems Using Underreach, Directional, And Traveling Wave Elements
App 20160077149 - Schweitzer, III; Edmund O. ; et al. | 2016-03-17 |
Arc Flash Protection System With Self-test
App 20150244160 - Schweitzer, III; Edmund O. ; et al. | 2015-08-27 |
Arc flash protection system with self-test
Grant 9,046,391 - Schweitzer, III , et al. June 2, 2 | 2015-06-02 |
Power line parameter adjustment and fault location using traveling waves
Grant 8,990,036 - Schweitzer, III , et al. March 24, 2 | 2015-03-24 |
Traveling Wave Validation Using Estimated Fault Location
App 20150081236 - Schweitzer, III; Edmund O. ; et al. | 2015-03-19 |
Power Line Parameter Adjustment And Fault Location Using Traveling Waves
App 20150081234 - Schweitzer, III; Edmund O. ; et al. | 2015-03-19 |
Fault Location Using Traveling Waves By Calculating Traveling Wave Arrival Time
App 20150081235 - Schweitzer, III; Edmund O. ; et al. | 2015-03-19 |
Device for measuring electrical current and method of manufacturing the same
Grant 8,928,337 - Kesler , et al. January 6, 2 | 2015-01-06 |
Fault location using traveling waves
Grant 8,781,766 - Schweitzer, III , et al. July 15, 2 | 2014-07-15 |
Fault Location Using Traveling Waves
App 20140074414 - Schweitzer, III; Edmund O. ; et al. | 2014-03-13 |
Fault location using traveling waves
Grant 8,655,609 - Schweitzer, III , et al. February 18, 2 | 2014-02-18 |
Device For Measuring Electrical Current And Method Of Manufacturing The Same
App 20130193987 - Kesler; James R. ; et al. | 2013-08-01 |
Fault Location Using Traveling Waves
App 20130096854 - Schweitzer, III; Edmund O. ; et al. | 2013-04-18 |
Systems and methods for generator ground fault protection
Grant 8,405,940 - Schweitzer, III , et al. March 26, 2 | 2013-03-26 |
Arc Flash Protection System with Self-Test
App 20120312977 - Schweitzer, III; Edmund O. ; et al. | 2012-12-13 |
Arc flash protection with self-test
Grant 8,319,173 - Schweitzer, III , et al. November 27, 2 | 2012-11-27 |
Systems and Methods for Generator Ground Fault Protection
App 20110085272 - Schweitzer, III; Edmund O. ; et al. | 2011-04-14 |
Method of making high voltage operating rod sensor
Grant 7,854,058 - Schreiber , et al. December 21, 2 | 2010-12-21 |
Fault Tolerant Time Synchronization
App 20100254225 - Schweitzer, III; Edmund O. ; et al. | 2010-10-07 |
Arc Flash Protection With Self-test
App 20100072355 - Schweitzer, III; Edmund O. ; et al. | 2010-03-25 |
Precision, temperature-compensated, shielded current measurement device
Grant 7,545,138 - Wilkerson , et al. June 9, 2 | 2009-06-09 |
High Voltage Operating Rod Sensor and Method of Making the Same
App 20090077793 - Schreiber; Daniel ; et al. | 2009-03-26 |
Electrical system controlling device with wireless communication link
Grant 7,495,574 - Rocamora , et al. February 24, 2 | 2009-02-24 |
Precision Rogowski coil and method for manufacturing same
Grant 7,474,192 - Skendzic , et al. January 6, 2 | 2009-01-06 |
High voltage operating rod sensor and method of making the same
Grant 7,473,863 - Schreiber , et al. January 6, 2 | 2009-01-06 |
Apparatus, systems and methods for reliably detecting faults within a power distribution system
App 20080155293 - Skendzic; Veselin ; et al. | 2008-06-26 |
Spatially Assisted Fault Reporting Method, System and Apparatus
App 20080125984 - Skendzic; Veselin ; et al. | 2008-05-29 |
Apparatus, systems and methods for reliably detecting faults within a power distribution system
App 20080080114 - Schweitzer; Edmund O. ; et al. | 2008-04-03 |
Precision, Temperature-compensated, Shielded Current Measurement Device
App 20080048646 - Wilkerson; Donovan E. ; et al. | 2008-02-28 |
Precision, Temperature-compensated, Shielded Current Measurement Device
App 20080007249 - Wilkerson; Donovan E. ; et al. | 2008-01-10 |
Precision Rogowski Coil And Method For Manufacturing Same
App 20070226989 - Skendzic; Veselin ; et al. | 2007-10-04 |
Precision printed circuit board based rogowski coil and method for manufacturing same
Grant 7,227,442 - Skendzic June 5, 2 | 2007-06-05 |
Precision Rogowski coil and method for manufacturing same
Grant 7,227,441 - Skendzic , et al. June 5, 2 | 2007-06-05 |
Switchgear with embedded electronic controls
Grant 7,133,271 - Jonas , et al. November 7, 2 | 2006-11-07 |
Precision printed circuit board based rogowski coil and method for manufacturing same
App 20060220774 - Skendzic; Veselin | 2006-10-05 |
Precision rogowski coil and method for manufacturing same
App 20060176140 - Skendzic; Veselin ; et al. | 2006-08-10 |
Electrical system controlling device with wireless communication link
App 20060084419 - Rocamora; Richard G. ; et al. | 2006-04-20 |
Electrical protection system
Grant 6,940,702 - Kojovic , et al. September 6, 2 | 2005-09-06 |
Switchgear with embedded electronic controls
App 20050135030 - Jonas, John P. ; et al. | 2005-06-23 |
High voltage operating rod sensor and method of making the same
App 20040155014 - Schreiber, Daniel ; et al. | 2004-08-12 |
Distributed fault resilient shared memory
Grant 6,754,789 - Skendzic , et al. June 22, 2 | 2004-06-22 |
Current transformer based high voltage measurement apparatus
Grant 6,717,395 - Skendzic , et al. April 6, 2 | 2004-04-06 |
Electrical protection system
App 20040027748 - Kojovic, Ljubomir A. ; et al. | 2004-02-12 |
Distributed fault resilient shared memory
App 20030163653 - Skendzic, Veselin ; et al. | 2003-08-28 |
Three-phase voltage sensor with active crosstalk cancellation
Grant 6,529,013 - Skendzic , et al. March 4, 2 | 2003-03-04 |
Current transformer based high voltage measurement method
App 20020190705 - Skendzic, Veselin ; et al. | 2002-12-19 |
Three-phase Voltage Sensor With Active Crosstalk Cancellation
App 20020180459 - Skendzic, Veselin ; et al. | 2002-12-05 |
High precision rogowski coil
Grant 6,313,623 - Kojovic , et al. November 6, 2 | 2001-11-06 |
Controlling and monitoring an electrical system
Grant 6,271,759 - Weinbach , et al. August 7, 2 | 2001-08-07 |
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