McEachern; Alexander

Patent Applications and Registrations

Patent applications and USPTO patent grants for McEachern; Alexander.The latest application filed is for "method and apparatus for detecting cyber attacks on an alternating current power grid".

Company Profile

0.32.6

McEachern; Alexander - Oakland CA
McEachern; Alexander - Oakdale CA
McEachern; Alexander - Alameda CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for measuring the stability of an alternating current distribution grid Grant 10,139,434 - McEachern , et al. Nov	2018-11-27
Method and apparatus for precision phasor measurements through a medium-voltage distribution transformer Grant 10,067,167 - McEachern , et al. September 4, 2	2018-09-04
Method and apparatus for detecting cyber attacks on an alternating current power grid Grant 9,621,569 - McEachern , et al. April 11, 2	2017-04-11
Method and Apparatus for Detecting Cyber Attacks on an Alternating Current Power Grid App 20170093889 - McEachern; Alexander ; et al.	2017-03-30
Method and apparatus for triggered capture of voltage phase angle data on an alternating current power grid Grant 9,581,618 - McEachern February 28, 2	2017-02-28
Method and Apparatus for Precision Phasor Measurements Through a Medium-voltage Distribution Transformer App 20170023627 - McEachern; Alexander ; et al.	2017-01-26
System and method for measuring a parameter of an alternating current power grid while minimizing the likelihood of lightning damage in a measuring system Grant 9,383,397 - McEachern July 5, 2	2016-07-05
Harmonics measurement instrument with in-situ calibration Grant 7,511,468 - McEachern , et al. March 31, 2	2009-03-31
Harmonics measurement instrument with in-situ calibration App 20080116880 - McEachern; Alexander ; et al.	2008-05-22
Sag generator with plurality of switch technologies Grant 6,759,765 - McEachern , et al. July 6, 2	2004-07-06
Sag generator with plurality of switch technologies App 20030230937 - McEachern, Alexander ; et al.	2003-12-18
Sag generator with switch-mode impedance Grant 6,285,169 - McEachern September 4, 2	2001-09-04
Dual-axis force feedback accelerometer Grant 5,789,677 - McEachern August 4, 1	1998-08-04
Coasting power supply for AC power system waveform measuring instrument Grant 5,742,153 - McEachern , et al. April 21, 1	1998-04-21
Charger for hand-held rechargeable electric apparatus with reduced magnetic field Grant 5,680,028 - McEachern October 21, 1	1997-10-21
Method and apparatus for storing electric power measurements Grant 5,581,471 - McEachern , et al. December 3, 1	1996-12-03
Charger for hand-held rechargeable electric apparatus with switch for reduced magnetic field Grant 5,536,979 - McEachern , et al. July 16, 1	1996-07-16
Instrument for detecting hidden structural damage in multi-story buildings Grant 5,526,694 - McEachern , et al. June 18, 1	1996-06-18
Method and apparatus for storing an increasing number of sequential real-time samples in a fixed amount of memory Grant 5,481,468 - McEachern January 2, 1	1996-01-02
Waveform library for characterizing an AC power line spectrum Grant 5,471,401 - Nicholson , et al. November 28, 1	1995-11-28
Electronic remote data recorder with facsimile output for utility AC power systems Grant 5,408,523 - McEachern , et al. April 18, 1	1995-04-18
Harmonic-adjusted watt-hour meter Grant 5,307,009 - McEachern , et al. April 26, 1	1994-04-26
Harmonic-adjusted power factor meter Grant 5,302,890 - McEachern , et al. April 12, 1	1994-04-12
Harmonic measuring instrument for AC power systems with a time-based threshold means Grant 5,300,924 - McEachern , et al. April 5, 1	1994-04-05
Harmonic-adjusted watt-hour meter Grant 5,298,859 - McEachern , et al. March 29, 1	1994-03-29
Harmonic-adjusted watt-hour meter Grant 5,298,854 - McEachern , et al. March 29, 1	1994-03-29
Harmonic-adjusted power factor meter Grant 5,298,855 - McEachern , et al. March 29, 1	1994-03-29
Harmonic measuring instrument for AC power systems with latched indicator means Grant 5,298,888 - McEachern , et al. March 29, 1	1994-03-29
Harmonic-adjusted power factor meter Grant 5,298,856 - McEachern , et al. March 29, 1	1994-03-29
Harmonic measuring instrument for AC power systems with poly-phase threshold means Grant 5,298,885 - McEachern , et al. March 29, 1	1994-03-29
Harmonic-adjusted power factor meter Grant 5,212,441 - McEachern , et al. May 18, 1	1993-05-18
Apparatus for digital calibration of detachable transducers Grant 5,089,979 - McEachern , et al. February 18, 1	1992-02-18
Waveform disturbance detection apparatus and method Grant 4,694,402 - McEachern , et al. September 15, 1	1987-09-15

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.