Portland General Electric Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS233
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0227,299 PLURAL HEAT PUMP AND THERMAL STORAGE SYSTEM FOR FACILITATING POWER SHAPING SERVICES ON THE ELECTRICAL POWER GRID AT CONSUMER PREMISESApr 28, 17Aug 10, 17[F28D, F25B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9677809 Plural heat pump and thermal storage system for facilitating power shaping services on the electrical power grid at consumer premisesOct 02, 12Jun 13, 17[F25D]
D608733 Electric vehicle charging stationMay 04, 09Jan 26, 10[1302]
D608734 Electric vehicle charging station with displayMay 04, 09Jan 26, 10[1302]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4589348 Retrofitted railway car and method of producing sameExpiredOct 24, 83May 20, 86[B61F, B61D]

Top Inventors for This Owner

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