Inventor · disambiguated record
Jeffrey B. Roberts
Also filed as: ROBERTS JEFFREY B
32 granted patents·2 pending applications·1,367 citations·filing 1990–2008
98Inventor score
Files withSCHWEITZER ENGINEERING LAB INC26MEGADYNE MED PROD INC2BATTELLE ENERGY ALLIANCE LLC1DUSANG JR LOUIS V1OMAN PAUL W1
Top patents by PatentIndex Score
34 records- 0195USD402030SElectrosurgical pencil with push button actuatorsMEGADYNE MED PROD INC·Filed 1997·Granted Dec 1, 1998·92 cites·1 claims
- 0294US6590397B2Line differential protection system for a power transmission lineSCHWEITZER ENGINEERING LAB INC·Filed 2001·Granted Jul 8, 2003·73 cites·5 claims
- 0394US6525543B1Fault type selection system for identifying faults in an electric power systemSCHWEITZER ENGINEERING LAB·Filed 2000·Granted Feb 25, 2003·109 cites·21 claims
- 0494US6518767B1Line differential protection system for a power transmission lineSCHWEITZER ENGINEERING LAB INC·Filed 2000·Granted Feb 11, 2003·115 cites·28 claims
- 0594USD402031SElectrosurgical pencil with rocker arm actuatorMEGADYNE MED PROD INC·Filed 1997·Granted Dec 1, 1998·74 cites·1 claims
- 0692US6256592B1Multi-ended fault location systemSCHWEITZER ENGINEERING LAB INC·Filed 1999·Granted Jul 3, 2001·104 cites·16 claims
- 0791US6573726B1Sensitive ground fault detection system for use in compensated electric power distribution networksSCHWEITZER ENGINEERING LAB INC·Filed 2000·Granted Jun 3, 2003·64 cites·31 claims
- 0887US6721671B2Directional element to determine faults on ungrounded power systemsSCHWEITZER ENGINEERING LAB INC·Filed 2001·Granted Apr 13, 2004·43 cites·11 claims
- 0986US6839210B2Bus total overcurrent system for a protective relaySCHWEITZER ENGINEERING LAB INC·Filed 2002·Granted Jan 4, 2005·38 cites·6 claims
- 1085US6417791B1Delta filter with an adaptive time window for protective relaysSCHWEITZER ENGINEERING LAB INC·Filed 2001·Granted Jul 9, 2002·40 cites·9 claims
- 1184US5703745ASystem for detection of transients from a coupling capacitor voltage transformer used in a protective relaySCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Dec 30, 1997·63 cites·12 claims
- 1283US6608742B2Voltage and current source selection system for use in the protection, automation and control of an electric power systemSCHWEITZER ENGINEERING LAB INC·Filed 2001·Granted Aug 19, 2003·36 cites·11 claims
- 1383US6028754ASystem for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transientsSCHWEITZER ENGINEERING LAB INC·Filed 1997·Granted Feb 22, 2000·54 cites·5 claims
- 1482US6011480AProtection quality capability for protective relays used in an electric power systemSCHWEITZER ENGINEERING LAB INC·Filed 1997·Granted Jan 4, 2000·52 cites·17 claims
- 1580US5731943AProtective relay having out-of-step logic capabilitySCHWEITZER ENGINEERING LAB INC·Filed 1996·Granted Mar 24, 1998·50 cites·11 claims
- 1680US5694281AZero sequence voltage-polarized directional element for protective relaysSCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Dec 2, 1997·50 cites·11 claims
- 1779US7582986B2Compensated inverse-time undervoltage load shedding systemsSCHWEITZER ENGINEERING LAB INC·Filed 2004·Granted Sep 1, 2009·42 cites·38 claims
- 1879US5515227AFault identification system for use in protective relays for power transmission linesSCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted May 7, 1996·47 cites·9 claims
- 1975US7453674B2Method for protecting an electric generatorBATTELLE ENERGY ALLIANCE LLC·Filed 2007·Granted Nov 18, 2008·18 cites·24 claims
- 2074US6785105B2Ground fault detection system for ungrounded power systemsSCHWEITZER ENGINEERING LAB INC·Filed 2002·Granted Aug 31, 2004·20 cites·11 claims
- 2174US5349490ANegative sequence directional element for a relay useful in protecting power transmission linesSCHWEITZER ENGINEERING LAB INC·Filed 1992·Granted Sep 20, 1994·29 cites·10 claims
- 2271US5365396ANegative sequence directional element for a relay useful in protecting power transmission linesSCHWEITZER ENGINEERING LAB INC·Filed 1993·Granted Nov 15, 1994·26 cites·5 claims
- 2361US5808845ASystem for preventing sympathetic tripping in a power systemSCHWEITZER ENGINEERING LAB INC·Filed 1997·Granted Sep 15, 1998·24 cites·10 claims
- 2460US5883578ALoss of potential determination for use in protective relays for electric power systemsSCHWEITZER ENGINEERING LAB INC·Filed 1996·Granted Mar 16, 1999·25 cites·13 claims
- 2556US5041737AProgrammable bus-tie relay having a plurality of selectable setting groupsSCHWEITZER ENGINEERING LAB INC·Filed 1990·Granted Aug 20, 1991·17 cites·14 claims
- 2649US2006146996A1Text-to-voice system for communicating operational information from a protective device for a power system to a human voiceOMAN PAUL W·Filed 2006·Application pending·0 cites
- 2746US8072715B2Method, apparatus and computer program product for fault protectionDUSANG JR LOUIS V·Filed 2008·Granted Dec 6, 2011·3 cites·20 claims
- 2846US6560132B1System for obtaining phase-ground voltages from a broken delta VT voltage connection systemSCHWEITZER ENGINEERING LABS IN·Filed 2001·Granted May 6, 2003·6 cites·5 claims
- 2946US2004076273A1Text-to-voice system for communicating operational information from a protective device for a power system to a human userFiled 2002·Application pending·0 cites
- 3045US5602707ADetection of transformer high side fuse operations in a power transmission systemSCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Feb 11, 1997·12 cites·4 claims
- 3143US6101075ASystem for improving protective relay coordination with other protective elements in power systemSCHWEITZER ENGINEERING LAB INC·Filed 1998·Granted Aug 8, 2000·11 cites·6 claims
- 3240US5790418AAdaptive polarizing memory voltage time constantSCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Aug 4, 1998·10 cites·13 claims
- 3339US6084755AProtective relay-based monitoring system of DC power within an electric power substationSCHWEITZER ENGINEERING LAB INC·Filed 1998·Granted Jul 4, 2000·9 cites·12 claims
- 3439US5262679APolarizing potential transfer switch circuit for use with power transmission linesSCHWEITZER ENGINEERING LAB INC·Filed 1991·Granted Nov 16, 1993·11 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →