Inventor · disambiguated record
Alexander Mceachern
Also filed as: MCEACHERN ALEXANDER
34 granted patents·1,785 citations·filing 1985–2018
98Inventor score
Files withBASIC MEASURING INSTR16BASIC MEASURING INSTR INC4MCEACHERN ALEXANDER4INFRASTRUCTURE INSTR INC3POWER STANDARDS LAB2
Top patents by PatentIndex Score
34 records- 0197US5089979AApparatus for digital calibration of detachable transducersBASIC MEASURING INSTR·Filed 1989·Granted Feb 18, 1992·161 cites·10 claims
- 0295US5212441AHarmonic-adjusted power factor meterBASIC MEASURING INSTR INC·Filed 1992·Granted May 18, 1993·117 cites·5 claims
- 0394US5302890AHarmonic-adjusted power factor meterBASIC MEASURING INSTR·Filed 1992·Granted Apr 12, 1994·94 cites·1 claims
- 0493US7511468B2Harmonics measurement instrument with in-situ calibrationMCEACHERN ALEXANDER·Filed 2006·Granted Mar 31, 2009·58 cites·4 claims
- 0593US5298854AHarmonic-adjusted watt-hour meterBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·86 cites·7 claims
- 0693US5298856AHarmonic-adjusted power factor meterBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·75 cites·3 claims
- 0793US4694402AWaveform disturbance detection apparatus and methodBASIC MEASURING INSTR·Filed 1985·Granted Sep 15, 1987·88 cites·49 claims
- 0891US5298855AHarmonic-adjusted power factor meterBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·70 cites·1 claims
- 0990US5536979ACharger for hand-held rechargeable electric apparatus with switch for reduced magnetic fieldFiled 1994·Granted Jul 16, 1996·204 cites·20 claims
- 1090US5307009AHarmonic-adjusted watt-hour meterBASIC MEASURING INSTR·Filed 1992·Granted Apr 26, 1994·71 cites·2 claims
- 1190US5300924AHarmonic measuring instrument for AC power systems with a time-based threshold meansBASIC MEASURING INSTR·Filed 1992·Granted Apr 5, 1994·78 cites·24 claims
- 1290US5298859AHarmonic-adjusted watt-hour meterBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·64 cites·5 claims
- 1389US5298888AHarmonic measuring instrument for AC power systems with latched indicator meansBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·71 cites·20 claims
- 1488US5347464AHigh-pass filter for enhancing the resolution of AC power line harmonic measurementsBASIC MEASURING INSTR·Filed 1992·Granted Sep 13, 1994·85 cites·24 claims
- 1587US5298885AHarmonic measuring instrument for AC power systems with poly-phase threshold meansBASIC MEASURING INSTR·Filed 1992·Granted Mar 29, 1994·68 cites·18 claims
- 1684US5680028ACharger for hand-held rechargeable electric apparatus with reduced magnetic fieldFiled 1994·Granted Oct 21, 1997·100 cites·15 claims
- 1782US10139434B1Method and apparatus for measuring the stability of an alternating current distribution gridPOWER STANDARD LAB INC·Filed 2018·Granted Nov 27, 2018·4 cites·16 claims
- 1881US5530738AElectric power measuring instrument with speech synthesis featureINFRASTRUCTURE INSTR INC·Filed 1994·Granted Jun 25, 1996·46 cites·9 claims
- 1976US6285169B1Sag generator with switch-mode impedancePOWER STANDARDS LAB·Filed 2001·Granted Sep 4, 2001·25 cites·3 claims
- 2072US9621569B1Method and apparatus for detecting cyber attacks on an alternating current power gridMCEACHERN ALEXANDER·Filed 2015·Granted Apr 11, 2017·3 cites·4 claims
- 2171US9581618B1Method and apparatus for triggered capture of voltage phase angle data on an alternating current power gridMCEACHERN ALEXANDER·Filed 2012·Granted Feb 28, 2017·4 cites·15 claims
- 2269US9383397B1System and method for measuring a parameter of an alternating current power grid while minimizing the likelihood of lightning damage in a measuring systemMCEACHERN ALEXANDER·Filed 2012·Granted Jul 5, 2016·2 cites·18 claims
- 2369US4642563APower line impulse measurement systemBASIC MEASURING INSTR·Filed 1985·Granted Feb 10, 1987·27 cites·15 claims
- 2468US5526694AInstrument for detecting hidden structural damage in multi-story buildingsINFRASTRUCTURE INSTR INC·Filed 1994·Granted Jun 18, 1996·30 cites·6 claims
- 2567US5471401AWaveform library for characterizing an AC power line spectrumBASIC MEASURING INSTR INC·Filed 1992·Granted Nov 28, 1995·27 cites·21 claims
- 2662US5581471AMethod and apparatus for storing electric power measurementsFiled 1994·Granted Dec 3, 1996·26 cites·20 claims
- 2758US10067167B2Method and apparatus for precision phasor measurements through a medium-voltage distribution transformerPOWER STANDARDS LAB INC·Filed 2015·Granted Sep 4, 2018·1 cites·12 claims
- 2853US5408523AElectronic remote data recorder with facsimile output for utility AC power systemsBASIC MEASURING INSTR INC·Filed 1992·Granted Apr 18, 1995·26 cites·1 claims
- 2950US5789677ADual-axis force feedback accelerometerINFRASTRUCTURE INSTR INC·Filed 1996·Granted Aug 4, 1998·14 cites·6 claims
- 3048US6759765B2Sag generator with plurality of switch technologiesPOWER STANDARDS LAB·Filed 2002·Granted Jul 6, 2004·5 cites·1 claims
- 3148US5742153ACoasting power supply for AC power system waveform measuring instrumentBASIC MEASURING INSTR·Filed 1993·Granted Apr 21, 1998·23 cites·22 claims
- 3245US5184066AMethod and apparatus for disabling all operations of an electronic instrument except for an automatic test procedureBASIC MEASURING INSTR·Filed 1991·Granted Feb 2, 1993·13 cites·7 claims
- 3344US5270637AImpulse direction detector for ac power systemsBASIC MEASURING INSTR·Filed 1992·Granted Dec 14, 1993·12 cites·15 claims
- 3437US5481468AMethod and apparatus for storing an increasing number of sequential real-time samples in a fixed amount of memoryBASIC MEASURING INSTR INC·Filed 1992·Granted Jan 2, 1996·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →