DUKE ENERGY CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 6114
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 357
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
H04B TRANSMISSION 2208
 
  
 
H04Q SELECTING 2108
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0229,868 METHODS OF MICROGRID COMMUNICATIONS AND CONNECTION TRANSITIONSFeb 03, 17Aug 10, 17[H02J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9843189 Grid tied system controller including logic coupled to a photovoltaic station and an energy storage systemMay 18, 15Dec 12, 17[H02J]
9829899 Apparatuses including utility meter, power electronics, and communications circuitry, and related methods of operationSep 30, 15Nov 28, 17[H02J, G05F, G01R]
9729678 Methods of processing data corresponding to a device that corresponds to a gas, water, or electric grid, and related devices and computer program productsApr 29, 14Aug 08, 17[H04L, G08B, G01D]
9722665 Communication nodes and sensor devices configured to use power line communication signals, and related methods of operationMay 06, 14Aug 01, 17[H04L, H04Q, G08C, H04B, H04J]
9648143 Methods of processing data corresponding to a device that corresponds to a gas, water, or electric grid, and related devices and computer program productsApr 29, 14May 09, 17[H04L, G01D]
9507364 Methods for reducing solar inverter output volatility, and related nodes and solar invertersMar 10, 14Nov 29, 16[H02J, H02S, G05F]
9407324 Communication nodes and sensor devices configured to use power line communication signals, and related methods of operationMay 06, 14Aug 02, 16[H04L, H04Q, H04B, H04J]
8812165 Electric grid optimizationJan 13, 12Aug 19, 14[H02J, G06Q, G05B, G06F, G05D, G01R]
7845813 Positional setting tool for use in an oil sump lubrication systemAug 14, 07Dec 07, 10[F21V, G02B]
6979992 Portable radiated emissions measurement systemMay 16, 02Dec 27, 05[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6145454 Tangentially-fired furnace having reduced NOx emissionsExpiredNov 30, 99Nov 14, 00[F23C, F23D]

Top Inventors for This Owner

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