Utility Systems Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 496

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8207716 Useful improvements in the art of 3-phase electronic tap changer commutation deviceOct 24, 08Jun 26, 12[G05F]
7737667 3-phase electronic tap changer commutation and deviceOct 13, 05Jun 15, 10[G05F]
6144191 Voltage regulatorFeb 18, 00Nov 07, 00[G05F]
5604423 Tap changing system having discrete cycle modulation and fault rotation for coupling to an inductive deviceApr 06, 95Feb 18, 97[G05F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5990667 Regulator with asymmetrical voltage increase/decrease capability for utility systemExpiredOct 24, 97Nov 23, 99[G05F]
5854729 Power system device and method for actively interrupting fault current before reaching peak magnitudeExpiredMay 23, 97Dec 29, 98[H02H]

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