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For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

Power Efficiency Corporation


USPTO Granted Patents = 3


Forward Citations = 35

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3 inventors (with patents filed for the assignee):

goldMedal George I Boyadjieff (2 out of 51 patents)

silverMedal John J Hurst (1 out of 1 patent)

bronzeMedal Nicholas Anderson (1 out of 1 patent)


3 patents:

1. 7911173 - Open loop method for controlling power (2011-03-22),
2. 7768221 - Method, system, and apparatus for controlling an electric motor (2010-08-03),
3. 5821726 - Balanced and synchronized phase detector for an AC induction motor (1998-10-13),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#195 in Ann Arbor, MI

#2,442 in Michigan

#71,950 in US

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Ann Arbor, MI, United States of America

Power Efficiency Corporation

Forward Citations = 35

3 inventors:

goldMedal George I Boyadjieff (2 out of 51 patents)

silverMedal John J Hurst (1 out of 1 patent)

bronzeMedal Nicholas Anderson (1 out of 1 patent)

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