Alexander McEachern — 34 Patents at Basic Measuring Instruments

Alexander McEachern has been granted 34 US patents while listed as an inventor at Basic Measuring Instruments. The first was granted in 1987 and the most recent in November 2018. Alexander McEachern ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Alexander McEachern in Oakland, CA, US.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #	Title	Co-Inventors	Date
10139434	Method and apparatus for measuring the stability of an alternating current distribution grid	David Watson, Charles McParland	2018-11-27
10067167	Method and apparatus for precision phasor measurements through a medium-voltage distribution transformer	Ronald Hofmann	2018-09-04
9621569	Method and apparatus for detecting cyber attacks on an alternating current power grid	Ronald Hofmann	2017-04-11
9581618	Method and apparatus for triggered capture of voltage phase angle data on an alternating current power grid	—	2017-02-28
9383397	System and method for measuring a parameter of an alternating current power grid while minimizing the likelihood of lightning damage in a measuring system	—	2016-07-05
7511468	Harmonics measurement instrument with in-situ calibration	Matthew Muh	2009-03-31
6759765	Sag generator with plurality of switch technologies	Barry Tangney	2004-07-06
6285169	Sag generator with switch-mode impedance	—	2001-09-04
5789677	Dual-axis force feedback accelerometer	—	1998-08-04
5742153	Coasting power supply for AC power system waveform measuring instrument	Bryan D. Hord	1998-04-21
5680028	Charger for hand-held rechargeable electric apparatus with reduced magnetic field	—	1997-10-21
5581471	Method and apparatus for storing electric power measurements	Richard Piehl	1996-12-03
5536979	Charger for hand-held rechargeable electric apparatus with switch for reduced magnetic field	Thomas B. Haverstock	1996-07-16
5530738	Electric power measuring instrument with speech synthesis feature	—	1996-06-25
5526694	Instrument for detecting hidden structural damage in multi-story buildings	Joseph Ungerer	1996-06-18
5481468	Method and apparatus for storing an increasing number of sequential real-time samples in a fixed amount of memory	—	1996-01-02
5471401	Waveform library for characterizing an AC power line spectrum	Jamie Nicholson	1995-11-28
5408523	Electronic remote data recorder with facsimile output for utility AC power systems	Scott Terry, Jamie Nicholson, Erich Günther	1995-04-18
5347464	High-pass filter for enhancing the resolution of AC power line harmonic measurements	Bryan D. Hord	1994-09-13
5307009	Harmonic-adjusted watt-hour meter	William A. Moncrief	1994-04-26
5302890	Harmonic-adjusted power factor meter	W. Mack Grady	1994-04-12
5300924	Harmonic measuring instrument for AC power systems with a time-based threshold means	Jamie Nicholson	1994-04-05
5298885	Harmonic measuring instrument for AC power systems with poly-phase threshold means	Jamie Nicholson	1994-03-29
5298888	Harmonic measuring instrument for AC power systems with latched indicator means	Jamie Nicholson	1994-03-29
5298856	Harmonic-adjusted power factor meter	W. Mack Grady	1994-03-29

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Alexander McEachern — 34 Patents

Issued Patents All Time

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