Inventor · disambiguated record
David E. Whitehead
Also filed as: WHITEHEAD DAVID E
66 granted patents·10 pending applications·653 citations·filing 1997–2022
99Inventor score
Files withSCHWEITZER ENGINEERING LAB INC60SCHWEITZER EDMUND O III11SCHWEITZER III EDMUND O2BRYSON MICHAEL B1SCHWEITZER ENGINEERING LAB1
Top patents by PatentIndex Score
76 records- 0199US9627881B2Fault detection in electric power delivery systems using underreach, directional, and traveling wave elementsSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Apr 18, 2017·26 cites·12 claims
- 0299US9594112B2Fault detection in electric power delivery systems using underreach, directional, and traveling wave elementsSCHWEITZER ENGINEERING LAB INC·Filed 2015·Granted Mar 14, 2017·29 cites·23 claims
- 0398US10581237B2High-frequency electric power system signal processing systemSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Mar 3, 2020·14 cites·20 claims
- 0498US9470748B2Fault detection in electric power delivery systems using underreach, directional, and traveling wave elementsSCHWEITZER ENGINEERING LAB INC·Filed 2015·Granted Oct 18, 2016·31 cites·24 claims
- 0598US8990036B1Power line parameter adjustment and fault location using traveling wavesSCHWEITZER ENGINEERING LAB INC·Filed 2014·Granted Mar 24, 2015·39 cites·21 claims
- 0697US10310005B2Time-domain distance line protection of electric power delivery systemsSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Jun 4, 2019·7 cites·19 claims
- 0797US10180451B2Electric power system monitoring using high-frequency signalsSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Jan 15, 2019·12 cites·20 claims
- 0897US10090664B2Time-domain directional line protection of electric power delivery systemsSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Oct 2, 2018·11 cites·20 claims
- 0996US9520860B2Time distribution switchSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Dec 13, 2016·24 cites·20 claims
- 1096US8674683B2Power angle monitorSCHWEITZER EDMUND O III·Filed 2012·Granted Mar 18, 2014·13 cites·28 claims
- 1195US10310004B2Time-domain differential line protection of electric power delivery systemsSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Jun 4, 2019·6 cites·20 claims
- 1295US8248061B2Power angle monitorSCHWEITZER EDMUND O III·Filed 2011·Granted Aug 21, 2012·11 cites·27 claims
- 1394US10951057B1Reliable power module for improved substation device availabilitySCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Mar 16, 2021·4 cites·20 claims
- 1493US11050234B2Integration of primary protection relays for electric power delivery systemsSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Jun 29, 2021·4 cites·20 claims
- 1593US8248060B2Power angle monitorSCHWEITZER EDMUND O III·Filed 2008·Granted Aug 21, 2012·18 cites·27 claims
- 1692US11112466B2Equipment failure detection in an electric power systemSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Sep 7, 2021·3 cites·23 claims
- 1792US10161986B2Electric power system monitoring using distributed conductor-mounted devicesSCHWEITZER ENGINEERING LAB INC·Filed 2017·Granted Dec 25, 2018·5 cites·25 claims
- 1892US9813173B2Time signal verification and distributionSCHWEITZER ENGINEERING LAB INC·Filed 2015·Granted Nov 7, 2017·13 cites·23 claims
- 1992US8682496B2Electric power system automation using time coordinated instructionsSCHWEITZER EDMUND O III·Filed 2012·Granted Mar 25, 2014·18 cites·23 claims
- 2091US10375108B2Time signal manipulation and spoofing detection based on a latency of a communication systemSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Aug 6, 2019·8 cites·19 claims
- 2190US9383735B2Distributed coordinated electric power delivery control system using component modelsSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Jul 5, 2016·19 cites·26 claims
- 2290US8706309B2Systems and method for obtaining a load model and related parameters based on load dynamicsSCHWEITZER EDMUND O III·Filed 2010·Granted Apr 22, 2014·19 cites·22 claims
- 2390US8155326B2System, method, and apparatus for using the sound signature of a device to determine its operabilitySCHWEITZER EDMUND O III·Filed 2008·Granted Apr 10, 2012·15 cites·17 claims
- 2489US11258249B2Primary and system protection for an electric power delivery systemSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Feb 22, 2022·2 cites·11 claims
- 2589US10236675B2Fault detection and protection during steady state using traveling wavesSCHWEITZER ENGINEERING LAB INC·Filed 2017·Granted Mar 19, 2019·3 cites·22 claims
- 2689US8581723B2Fault detection using phase comparisonSCHWEITZER EDMUND O III·Filed 2010·Granted Nov 12, 2013·11 cites·27 claims
- 2788US10422827B2Time-domain line differential protection of electric power delivery systemsSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Sep 24, 2019·2 cites·20 claims
- 2888US8275486B2Electric power system automation using time coordinated instructionsSCHWEITZER EDMUND O III·Filed 2010·Granted Sep 25, 2012·12 cites·20 claims
- 2988US8275485B2Electric power system automation using time coordinated instructionsSCHWEITZER EDMUND O III·Filed 2010·Granted Sep 25, 2012·11 cites·27 claims
- 3087US8793767B2Network access management via a secondary communication channelSCHWEITZER EDMUND O III·Filed 2012·Granted Jul 29, 2014·9 cites·33 claims
- 3186US10122487B2Time distribution switchSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Nov 6, 2018·6 cites·13 claims
- 3286US7272201B2System for synchronous sampling and time-of-day clocking using an encoded time signalSCHWEITZER ENGINEERING LAB INC·Filed 2003·Granted Sep 18, 2007·30 cites·13 claims
- 3386US6839210B2Bus total overcurrent system for a protective relaySCHWEITZER ENGINEERING LAB INC·Filed 2002·Granted Jan 4, 2005·38 cites·6 claims
- 3485US8427131B2Voltage regulation at a remote location using measurements from a remote metering deviceBRYSON MICHAEL B·Filed 2009·Granted Apr 23, 2013·18 cites·37 claims
- 3584US8275487B2Electric power system automation using time coordinated instructionsSCHWEITZER EDMUND O III·Filed 2010·Granted Sep 25, 2012·7 cites·20 claims
- 3683US9256232B2Voltage regulation using multiple voltage regulator controllersSCHWEITZER ENGINEERING LAB·Filed 2013·Granted Feb 9, 2016·5 cites·20 claims
- 3782US9709680B2Quality of precision time sourcesSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Jul 18, 2017·9 cites·20 claims
- 3882US9599719B2Detection of manipulated satellite time signalsSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Mar 21, 2017·9 cites·20 claims
- 3979US9760062B2Time distribution with multi-band antennaSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Sep 12, 2017·6 cites·6 claims
- 4078US11165238B2Electrical arc event detection in an electric power systemSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Nov 2, 2021·1 cites·22 claims
- 4178US11056874B2Fault detection and protection during steady state using traveling wavesSCHWEITZER ENGINEERING LAB INC·Filed 2019·Granted Jul 6, 2021·1 cites·12 claims
- 4278US10656198B2Electric power system monitoring using high-frequency signalsSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted May 19, 2020·1 cites·20 claims
- 4378US10379500B2Time distribution device with multi-band antennaSCHWEITZER ENGINEERING LAB INC·Filed 2017·Granted Aug 13, 2019·2 cites·7 claims
- 4476US11115311B1Data tunneling for testing equipment in electric power systemSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Sep 7, 2021·1 cites·20 claims
- 4575US6639413B2System and method for calibration of data in an electric power monitoring systemSCHWEITZER ENGINEERING LAB INC·Filed 2001·Granted Oct 28, 2003·21 cites·14 claims
- 4674US7680273B2System and method for optimizing error detection to detect unauthorized modification of transmitted dataSCHWEITZER ENGINEERING LAB INC·Filed 2004·Granted Mar 16, 2010·22 cites·34 claims
- 4774US6785105B2Ground fault detection system for ungrounded power systemsSCHWEITZER ENGINEERING LAB INC·Filed 2002·Granted Aug 31, 2004·20 cites·11 claims
- 4873US2020350760A1Fault detection in electric power delivery systems using underreach, directional, and traveling wave elementsSCHWEITZER ENGINEERING LAB INC·Filed 2020·Application pending·0 cites
- 4971US10564246B2Testing system for traveling wave fault detectorsSCHWEITZER ENGINEERING LAB INC·Filed 2016·Granted Feb 18, 2020·1 cites·18 claims
- 5070US10564247B2Testing system for traveling wave fault detectorsSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Feb 18, 2020·1 cites·16 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →