Inventor · disambiguated record
Robert T. Elms
Also filed as: ELMS ROBERT J · ELMS ROBERT T · ELMS ROBERT TRACY · MATTOX DOUGLAS M
94 granted patents·8 pending applications·3,695 citations·filing 1974–2012
99Inventor score
Files withEATON CORP52WESTINGHOUSE ELECTRIC CORP35ELMS ROBERT T6PHILIPS LIGHTING CORP5ABB POWER T & D CO1
Top patents by PatentIndex Score
102 records- 0198US4434390AMotor control apparatus with parallel input, serial output signal conditioning meansWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Feb 28, 1984·138 cites·6 claims
- 0297US7268989B2Arc fault circuit interrupter for a compressor loadEATON CORP·Filed 2005·Granted Sep 11, 2007·52 cites·19 claims
- 0397US6720872B1Ground fault/arc fault circuit interrupter and method of testing the same with a test button and a reset buttonEATON CORP·Filed 2002·Granted Apr 13, 2004·89 cites·26 claims
- 0497US5982593ACircuit interrupter with test actuator for ground fault and arc fault test mechanismsEATON CORP·Filed 1998·Granted Nov 9, 1999·167 cites·17 claims
- 0597US5835321AArc fault detection apparatus and circuit breaker incorporating sameEATON CORP·Filed 1996·Granted Nov 10, 1998·159 cites·7 claims
- 0696US6717394B2Method and apparatus for determining frequency of an alternating current signal of an electric power systemEATON CORP·Filed 2002·Granted Apr 6, 2004·96 cites·28 claims
- 0796US5384712AEnergy monitoring system for a plurality of local stations with snapshot polling from a central stationEATON CORP·Filed 1991·Granted Jan 24, 1995·147 cites·13 claims
- 0895US7359168B2Arc fault circuit interrupter and method for disabling series arc protection during current transientsEATON CORP·Filed 2005·Granted Apr 15, 2008·37 cites·4 claims
- 0995US5315531AEnergy monitoring system for a plurality of local stations with snapshot polling from a central stationWESTINGHOUSE ELECTRIC CORP·Filed 1992·Granted May 24, 1994·112 cites·21 claims
- 1094US5889643AApparatus for detecting arcing faults and ground faults in multiwire branch electric power circuitsEATON CORP·Filed 1997·Granted Mar 30, 1999·115 cites·15 claims
- 1194US5587917AData collection and processing for digital AC power system monitor/analyzerEATON CORP·Filed 1994·Granted Dec 24, 1996·102 cites·16 claims
- 1294US4351012ACircuit interrupter with digital trip unit and means to enter trip settingsWESTINGHOUSE ELECTRIC CORP·Filed 1980·Granted Sep 21, 1982·52 cites·4 claims
- 1393US7518840B2Electrical switching apparatus and receptacle including automatic miswiring protectionEATON CORP·Filed 2006·Granted Apr 14, 2009·25 cites·24 claims
- 1492US6734682B2Testing device for detecting and locating arc faults in an electrical systemEATON CORP·Filed 2002·Granted May 11, 2004·66 cites·4 claims
- 1592US4365302AHigh accuracy AC electric energy metering systemWESTINGHOUSE ELECTRIC CORP·Filed 1981·Granted Dec 21, 1982·63 cites·21 claims
- 1691US5706204AApparatus for triggering alarms and waveform capture in an electric power systemEATON CORP·Filed 1996·Granted Jan 6, 1998·101 cites·13 claims
- 1790US7486492B2Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signalEATON CORP·Filed 2006·Granted Feb 3, 2009·20 cites·21 claims
- 1889US5487016AApparatus for generating a signal representative of total harmonic distortion in waveforms of an A/C electrical systemEATON CORP·Filed 1994·Granted Jan 23, 1996·66 cites·7 claims
- 1988US6850073B2Power circuit tester apparatus and methodEATON CORP·Filed 2003·Granted Feb 1, 2005·37 cites·25 claims
- 2088US6707651B2ARC fault or ground fault or ARC fault/ground fault trip signal generator and trip unit employing the sameEATON CORP·Filed 2002·Granted Mar 16, 2004·46 cites·29 claims
- 2188US5525985ASure chipEATON CORP·Filed 1990·Granted Jun 11, 1996·61 cites·14 claims
- 2288US5134691ABidirectional communication and control network with programmable microcontroller interfacing digital ICs transmitting in serial format to controlled productWESTINGHOUSE ELECTRIC CORP·Filed 1989·Granted Jul 28, 1992·97 cites·1 claims
- 2388US4623949ABus differential relayWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Nov 18, 1986·66 cites·7 claims
- 2487US5493468AElectrical contactor system with transfer of scaled overload informationEATON CORP·Filed 1993·Granted Feb 20, 1996·59 cites·3 claims
- 2586US5270898ASure chip plusWESTINGHOUSE ELECTRIC CORP·Filed 1990·Granted Dec 14, 1993·70 cites·11 claims
- 2685US7362553B2Arc fault circuit interrupter and method for inhibiting series arc protection based on dimmer phase angleEATON CORP·Filed 2005·Granted Apr 22, 2008·14 cites·11 claims
- 2785US6785104B2Low energy pulsing device and method for electrical system arc detectionEATON CORP·Filed 2002·Granted Aug 31, 2004·41 cites·10 claims
- 2885US6744254B2Breaker failure annunciator systemEATON CORP·Filed 2002·Granted Jun 1, 2004·37 cites·7 claims
- 2985US5754440AApparatus for harmonic analysis of waveforms in an AC electrical systemEATON CORP·Filed 1996·Granted May 19, 1998·59 cites·2 claims
- 3084US6014297AApparatus for detecting arcing faults and ground faults in multiwire branch electric power circuitsEATON CORP·Filed 1999·Granted Jan 11, 2000·66 cites·10 claims
- 3183US7253996B2Method and arc fault circuit interrupter employing a hysteresis value for compressor rumbleEATON CORP·Filed 2005·Granted Aug 7, 2007·12 cites·15 claims
- 3283US6724591B2Circuit interrupter employing a mechanism to open a power circuit in response to a resistor body burning openEATON CORP·Filed 2001·Granted Apr 20, 2004·36 cites·24 claims
- 3383US5831509ACircuit breaker with sense bar to sense current from voltage drop across bimetalEATON CORP·Filed 1997·Granted Nov 3, 1998·57 cites·10 claims
- 3483US4453117AMotor control apparatus with short term undervoltage motor mode saverELMS ROBERT T·Filed 1983·Granted Jun 5, 1984·48 cites·3 claims
- 3582US7675721B2Circuit interrupter including a shunt wire current sensor and a processor having a thermal overload predictive functionEATON CORP·Filed 2006·Granted Mar 9, 2010·11 cites·3 claims
- 3682US7633728B2Arc fault circuit interrupter and method of parallel arc fault detectionEATON CORP·Filed 2007·Granted Dec 15, 2009·11 cites·27 claims
- 3782US5706214ACalibration of microcomputer-based metering apparatusEATON CORP·Filed 1995·Granted Jan 6, 1998·57 cites·14 claims
- 3881US7359167B2Corded leakage-current detection and interruption apparatusEATON CORP·Filed 2005·Granted Apr 15, 2008·11 cites·10 claims
- 3981US7215520B2Circuit interrupter including arc fault test and/or ground fault test failure indicatorEATON CORP·Filed 2004·Granted May 8, 2007·31 cites·20 claims
- 4081US6671150B2Circuit breaker for detecting an excessive voltage and tripping responsive theretoEATON CORP·Filed 2001·Granted Dec 30, 2003·32 cites·20 claims
- 4181US5661643AUniversal power moduleEATON CORP·Filed 1996·Granted Aug 26, 1997·64 cites·26 claims
- 4281US4876502AWide dynamic range current measuring apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1988·Granted Oct 24, 1989·39 cites·9 claims
- 4381US4377836ACircuit interrupter with solid state digital trip unit and positive power-up featureWESTINGHOUSE ELECTRIC CORP·Filed 1980·Granted Mar 22, 1983·39 cites·14 claims
- 4480US6330141B1Electronic protective relay with variable and fixed delay tally time of current protectionEATON CORP·Filed 2000·Granted Dec 11, 2001·27 cites·23 claims
- 4580US5896262AArc fault detector with protection against nuisance trips and circuit breaker incorporating sameEATON CORP·Filed 1998·Granted Apr 20, 1999·53 cites·20 claims
- 4680US5038372ASystems for transmitting data via telephone linesABB POWER T & D CO·Filed 1989·Granted Aug 6, 1991·68 cites·7 claims
- 4780US4331997ACircuit interrupter with digital trip unit and potentiometers for parameter entryWESTINGHOUSE ELECTRIC CORP·Filed 1980·Granted May 25, 1982·37 cites·8 claims
- 4879US7362552B2Arc fault circuit interrupterEATON CORP·Filed 2004·Granted Apr 22, 2008·27 cites·26 claims
- 4979US4331999ACircuit interrupter with digital trip unit and power supplyWESTINGHOUSE ELECTRIC CORP·Filed 1980·Granted May 25, 1982·34 cites·14 claims
- 5078US4162429ABallast circuit for accurately regulating HID lamp wattageWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Jul 24, 1979·32 cites·4 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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