| Patent | Date |
|---|
Testing system for traveling wave fault detectors
Grant 11,320,475 - Whitehead , et al. May 3, 2 | 2022-05-03 |
Primary And System Protection For An Electric Power Delivery System
App 20220131366 - Schweitzer, III; Edmund O. ; et al. | 2022-04-28 |
Primary and system protection for an electric power delivery system
Grant 11,258,249 - Schweitzer, III , et al. February 22, 2 | 2022-02-22 |
Loopback Testing Of Electric Power Protection Systems
App 20210364557 - Schweitzer, III; Edmund O. ; et al. | 2021-11-25 |
Electrical arc event detection in an electric power system
Grant 11,165,238 - Schweitzer, III , et al. November 2, 2 | 2021-11-02 |
Testing device for protective relays in electric power delivery systems
Grant 11,125,821 - Schweitzer, III , et al. September 21, 2 | 2021-09-21 |
Loopback testing of electric power protection systems
Grant 11,119,128 - Schweitzer, III , et al. September 14, 2 | 2021-09-14 |
Equipment failure detection in an electric power system
Grant 11,112,466 - Schweitzer, III , et al. September 7, 2 | 2021-09-07 |
Data tunneling for testing equipment in electric power system
Grant 11,115,311 - Schweitzer, III , et al. September 7, 2 | 2021-09-07 |
Electric power system transducer failure monitor and measurement recovery
Grant 11,114,892 - Schweitzer, III , et al. September 7, 2 | 2021-09-07 |
Secure electric power delivery system protection during cyber threats
Grant 11,108,737 - Schweitzer, III , et al. August 31, 2 | 2021-08-31 |
Electric power system pricing with energy packets
Grant 11,100,595 - Schweitzer, III , et al. August 24, 2 | 2021-08-24 |
Multiple merging unit testing system
Grant 11,079,436 - Schweitzer, III , et al. August 3, 2 | 2021-08-03 |
Waterfall display for high-speed streaming measurements
Grant 11,056,082 - Schweitzer, III , et al. July 6, 2 | 2021-07-06 |
Fault detection and protection during steady state using traveling waves
Grant 11,056,874 - Schweitzer, III , et al. July 6, 2 | 2021-07-06 |
Integration of primary protection relays for electric power delivery systems
Grant 11,050,234 - Schweitzer, III , et al. June 29, 2 | 2021-06-29 |
Redundant power module and discharge circuit for improved substation device availability
Grant 11,038,336 - Schweitzer, III , et al. June 15, 2 | 2021-06-15 |
Redundant Power Module And Discharge Circuit For Improved Substation Device Availability
App 20210167590 - Schweitzer, III; Edmund O. ; et al. | 2021-06-03 |
Multiple Merging Unit Testing System
App 20210109157 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Testing Device For Protective Relays In Electric Power Delivery Systems
App 20210109156 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Equipment Failure Detection In An Electric Power System
App 20210109164 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Primary And System Protection For An Electric Power Delivery System
App 20210111555 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Electric Power System Transducer Failure Monitor And Measurement Recovery
App 20210111586 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Loopback Testing Of Electric Power Protection Systems
App 20210109139 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Electrical Arc Event Detection In An Electric Power System
App 20210111549 - Schweitzer, III; Edmund O. ; et al. | 2021-04-15 |
Reliable power module for improved substation device availability
Grant 10,951,057 - Schweitzer, III , et al. March 16, 2 | 2021-03-16 |
Integration Of Primary Protection Relays For Electric Power Delivery Systems
App 20210057901 - Schweitzer, III; Edmund O. ; et al. | 2021-02-25 |
Secure Electric Power Delivery System Protection During Cyber Threats
App 20210014196 - Schweitzer, III; Edmund O. ; et al. | 2021-01-14 |
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 |
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 |
Testing System For Traveling Wave Fault Detectors
App 20200182956 - Whitehead; David E. ; et al. | 2020-06-11 |
Electric power system monitoring using high-frequency signals
Grant 10,656,198 - Schweitzer, III , et al. | 2020-05-19 |
Electric Power System Pricing With Energy Packets
App 20200111176 - Schweitzer, III; Edmund O. ; et al. | 2020-04-09 |
Systems and methods for revenue meter testing
Grant 10,605,887 - Schweitzer , et al. | 2020-03-31 |
High-frequency electric power system signal processing system
Grant 10,581,237 - Schweitzer, III , et al. | 2020-03-03 |
Testing system for traveling wave fault detectors
Grant 10,564,246 - Whitehead , et al. Feb | 2020-02-18 |
Testing system for traveling wave fault detectors
Grant 10,564,247 - Guzman-Casillas , et al. Feb | 2020-02-18 |
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 |
Time distribution device with multi-band antenna
Grant 10,379,500 - Achanta , et al. A | 2019-08-13 |
Time signal manipulation and spoofing detection based on a latency of a communication system
Grant 10,375,108 - Schweitzer, III , et al. | 2019-08-06 |
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 |
Fault Detection And Protection During Steady State Using Traveling Waves
App 20190157854 - Schweitzer, III; Edmund O. ; et al. | 2019-05-23 |
Fault detection and protection during steady state using traveling waves
Grant 10,236,675 - Schweitzer, III , et al. | 2019-03-19 |
Electric power system monitoring using high-frequency signals
Grant 10,180,451 - Schweitzer, III , et al. Ja | 2019-01-15 |
Electric power system monitoring using distributed conductor-mounted devices
Grant 10,161,986 - Schweitzer, III , et al. Dec | 2018-12-25 |
Time distribution switch
Grant 10,122,487 - Whitehead , et al. November 6, 2 | 2018-11-06 |
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 |
Testing System For Traveling Wave Fault Detectors
App 20180210060 - Guzman-Casillas; Armando ; et al. | 2018-07-26 |
Time-domain Differential Line Protection Of Electric Power Delivery Systems
App 20180212421 - Schweitzer, III; Edmund O. ; et al. | 2018-07-26 |
Electric Power System Monitoring Using Distributed Conductor-mounted Devices
App 20180106851 - Schweitzer, III; Edmund O. ; et al. | 2018-04-19 |
Time-domain Line Differential Protection Of Electric Power Delivery Systems
App 20180083437 - Schweitzer, III; Edmund O. ; et al. | 2018-03-22 |
Fault Detection and Protection During Steady State Using Traveling Waves
App 20180034258 - Schweitzer, III; Edmund O. ; et al. | 2018-02-01 |
Time Distribution Device With Multi-band Antenna
App 20170351223 - Achanta; Shankar V. ; et al. | 2017-12-07 |
Systems and Methods for Revenue Meter Testing
App 20170322283 - Schweitzer; Edmund A. ; et al. | 2017-11-09 |
Time signal verification and distribution
Grant 9,813,173 - Achanta , et al. November 7, 2 | 2017-11-07 |
Time distribution with multi-band antenna
Grant 9,760,062 - Achanta , et al. September 12, 2 | 2017-09-12 |
Quality of precision time sources
Grant 9,709,680 - Achanta , et al. July 18, 2 | 2017-07-18 |
Time Signal Manipulation and Spoofing Detection Based on a Latency of a Communication System
App 20170195362 - Schweitzer, III; Edmund O. ; et al. | 2017-07-06 |
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 |
High-Frequency Electric Power System Signal Processing System
App 20170110875 - Schweitzer, III; Edmund O. ; et al. | 2017-04-20 |
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 |
Testing System for Traveling Wave Fault Detectors
App 20170102444 - Whitehead; David E. ; 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 |
Detection of manipulated satellite time signals
Grant 9,599,719 - Achanta , et al. March 21, 2 | 2017-03-21 |
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 |
Time Distribution Switch
App 20170063482 - Whitehead; David E. ; et al. | 2017-03-02 |
Recording of operating parameters of an intelligent electronic device
Grant 9,581,976 - Schweitzer, III , et al. February 28, 2 | 2017-02-28 |
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 |
Time distribution switch
Grant 9,520,860 - Whitehead , et al. December 13, 2 | 2016-12-13 |
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 |
Distributed coordinated electric power delivery control system using component models
Grant 9,383,735 - Schweitzer, III , et al. July 5, 2 | 2016-07-05 |
Time Signal Verification And Distribution
App 20160099803 - Achanta; Shankar V. ; et al. | 2016-04-07 |
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 |
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 |
Voltage regulation using multiple voltage regulator controllers
Grant 9,256,232 - Bryson , et al. February 9, 2 | 2016-02-09 |
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 |
Fault Location Using Traveling Waves By Calculating Traveling Wave Arrival Time
App 20150081235 - 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 |
Quality of Precision Time Sources
App 20140250972 - Achanta; Shankar V. ; et al. | 2014-09-11 |
Detection of Manipulated Satellite Time Signals
App 20140247185 - Achanta; Shankar V. ; et al. | 2014-09-04 |
Network access management via a secondary communication channel
Grant 8,793,767 - Schweitzer, III , et al. July 29, 2 | 2014-07-29 |
Recording of Operating Parameters of an Intelligent Electronic Device
App 20140128999 - Schweitzer, III; Edmund O ; et al. | 2014-05-08 |
Time Distribution Switch
App 20140111249 - Whitehead; David E. ; et al. | 2014-04-24 |
Time Distribution with Multi-Band Antenna
App 20140114608 - Achanta; Shankar V. ; et al. | 2014-04-24 |
Systems and method for obtaining a load model and related parameters based on load dynamics
Grant 8,706,309 - Schweitzer, III , et al. April 22, 2 | 2014-04-22 |
Distributed Coordinated Wide-area Control For Electric Power Delivery Systems
App 20140100702 - Schweitzer, III; Edmund O. ; et al. | 2014-04-10 |
Electric power system automation using time coordinated instructions
Grant 8,682,496 - Schweitzer, III , et al. March 25, 2 | 2014-03-25 |
Power angle monitor
Grant 8,674,683 - Schweitzer, III , et al. March 18, 2 | 2014-03-18 |
Network Access Management via a Secondary Communication Channel
App 20140068711 - Schweitzer, III; Edmund O. ; et al. | 2014-03-06 |
Fault detection using phase comparison
Grant 8,581,723 - Schweitzer, III , et al. November 12, 2 | 2013-11-12 |
Voltage Regulation Using Multiple Voltage Regulator Controllers
App 20130234696 - Bryson; Michael B. ; et al. | 2013-09-12 |
Voltage regulation at a remote location using measurements from a remote metering device
Grant 8,427,131 - Bryson , et al. April 23, 2 | 2013-04-23 |
Electric Power System Automation Using Time Coordinated Instructions
App 20120323397 - Schweitzer, III; Edmund O. ; et al. | 2012-12-20 |
Power Angle Monitor
App 20120313490 - Schweitzer, III; Edmund O. ; et al. | 2012-12-13 |
Electric power system automation using time coordinated instructions
Grant 8,275,485 - Schweitzer, III , et al. September 25, 2 | 2012-09-25 |
Electric power system automation using time coordinated instructions
Grant 8,275,487 - Schweitzer, III , et al. September 25, 2 | 2012-09-25 |
Electric power system automation using time coordinated instructions
Grant 8,275,486 - Schweitzer, III , et al. September 25, 2 | 2012-09-25 |
Power angle monitor
Grant 8,248,060 - Schweitzer, III , et al. August 21, 2 | 2012-08-21 |
Power angle monitor
Grant 8,248,061 - Schweitzer, III , et al. August 21, 2 | 2012-08-21 |
System, method, and apparatus for using the sound signature of a device to determine its operability
Grant 8,155,326 - Schweitzer, III , et al. April 10, 2 | 2012-04-10 |
Power Angle Monitor
App 20110260042 - Schweitzer, III; Edmund O. ; et al. | 2011-10-27 |
Systems And Method For Obtaining A Load Model And Related Parameters Based On Load Dynamics
App 20110251732 - Schweitzer, III; Edmund O. ; et al. | 2011-10-13 |
Fault Detection Using Phase Comparison
App 20110080283 - Schweitzer, III; Edmund O. ; et al. | 2011-04-07 |
Electric Power System Automation Using Time Coordinated Instructions
App 20110035066 - Schweitzer, III; Edmund O. ; et al. | 2011-02-10 |
Electric Power System Automation Using Time Coordinated Instructions
App 20110035065 - Schweitzer, III; Edmund O. ; et al. | 2011-02-10 |
Electric Power System Automation Using Time Coordinated Instructions
App 20110035076 - Schweitzer, III; Edmund O. ; et al. | 2011-02-10 |
Voltage Regulation Using A Remote Metering Device
App 20100318238 - Bryson; Michael B. ; et al. | 2010-12-16 |
Fault Tolerant Time Synchronization
App 20100254225 - Schweitzer, III; Edmund O. ; et al. | 2010-10-07 |
System and method for optimizing error detection to detect unauthorized modification of transmitted data
Grant 7,680,273 - Whitehead , et al. March 16, 2 | 2010-03-16 |
System, Method, and Apparatus for Using the Sound Signature of a Device to Determine its Operability
App 20090091441 - Schweitzer, III; Edmund O. ; et al. | 2009-04-09 |
Power Angle Monitor
App 20090091303 - Schweitzer, III; Edmund O. ; et al. | 2009-04-09 |
Synchronized Phasor Processor For A Power System
App 20090088990 - Schweitzer, III; Edmund O. ; et al. | 2009-04-02 |
System for synchronous sampling and time-of-day clocking using an encoded time signal
Grant 7,272,201 - Whitehead , et al. September 18, 2 | 2007-09-18 |
System for checking synchronization of AC voltage sources before closing a power circuit breaker
Grant 7,230,809 - Whitehead June 12, 2 | 2007-06-12 |
Method And Apparatus For Routing Data Streams Among Intelligent Electronic Devices
App 20070067132 - Tziouvaras; Demetrios A. ; et al. | 2007-03-22 |
System and method for converting serial data into secure data packets configured for wireless transmission in a power system
App 20060269066 - Whitehead; David E. ; et al. | 2006-11-30 |
System and method for optimizing error detection to detect unauthorized modification of transmitted data
App 20060120521 - Whitehead; David E. ; et al. | 2006-06-08 |
System for checking synchronization of AC voltage sources before closing a power circuit breaker
App 20050280966 - Whitehead, David E. | 2005-12-22 |
System for synchronous sampling and time-of-day clocking using an encoded time signal
App 20050041767 - Whitehead, David E. ; et al. | 2005-02-24 |
Bus total overcurrent system for a protective relay
Grant 6,839,210 - Roberts , et al. January 4, 2 | 2005-01-04 |
Protective relay system having settings provided therein for all protective relay locations in a power system
Grant 6,836,395 - Whitehead December 28, 2 | 2004-12-28 |
Analog signal input boards for protective relays with calibration for board components stored on the board
App 20040254687 - Whitehead, David E. ; et al. | 2004-12-16 |
Ground fault detection system for ungrounded power systems
Grant 6,785,105 - Roberts , et al. August 31, 2 | 2004-08-31 |
Protective relay system having settings provided therein for all protective relay locations in a power system
App 20040153758 - Whitehead, David E. | 2004-08-05 |
Bus total overcurrent system for a protective relay
App 20040080884 - Roberts, Jeffrey B. ; et al. | 2004-04-29 |
Ground fault detection system for ungrounded power systems
App 20040021995 - Roberts, Jeffrey B. ; et al. | 2004-02-05 |
System and method for calibration of data in an electric power monitoring system
Grant 6,639,413 - Whitehead , et al. October 28, 2 | 2003-10-28 |
System and method for calibration of data in an electric power monitoring system
App 20030011353 - Whitehead, David E. ; et al. | 2003-01-16 |
Apparatus and method for compression of data in protection and control communications between protective relays in a power system
App 20030002576 - Whitehead, David E. ; et al. | 2003-01-02 |
Protective relay-based monitoring system of DC power within an electric power substation
Grant 6,084,755 - Roberts , et al. July 4, 2 | 2000-07-04 |
| 