SIEMENS TRANSMISSION & DISTRIBUTION, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 10149
 
  
 
B21G MAKING NEEDLES, PINS, OR NAILS16
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183
 
  
 
H02B BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6675071 Power quality utility metering system having waveform captureJan 08, 99Jan 06, 04[G05D]
6665620 Utility meter having primary and secondary communication circuitsJul 27, 99Dec 16, 03[G01B]
6377037 Watt-hour meter with digital per-phase power factor compensationAug 01, 97Apr 23, 02[G01R]
6112158 Service type recognition in electrical utility meterAug 01, 96Aug 29, 00[G01R]
6112159 Robust electrical utility meterJun 24, 97Aug 29, 00[G01R]
6043642 Watt-hour meter with communication on diagnostic error detectionAug 01, 97Mar 28, 00[G01R]
6020734 Electrical utility meter with event-triggered window for highest demands loggingAug 01, 97Feb 01, 00[G01R]
6008711 Method and arrangement for securing a current transformer to an electric utility meter housingJan 09, 98Dec 28, 99[H01F, C01G]
D409934 Modular electric utility meter sensor moduleDec 31, 97May 18, 99[1004]
D406072 Electric utility meterDec 31, 97Feb 23, 99[1004]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5066906 Time of use register for use with a utility meterExpiredSep 22, 89Nov 19, 91[G01R]
5049810 Watt-hour meter cover with battery hatch reset switch and optical communication portExpiredSep 22, 89Sep 17, 91[G06C, G01R]
4998061 Watthour meter with temperature compensation for wye connected systemsExpiredDec 15, 89Mar 05, 91[G01R]
4987363 Electric energy meter with power outage recovery circuitExpiredSep 25, 89Jan 22, 91[G01R]
4902964 Program clock for an electronic demand register with automatic calibration based on sensed line frequencyExpiredSep 21, 87Feb 20, 90[G01R]
4896106 Watthour meter for wye connected systemsExpiredSep 21, 87Jan 23, 90[G01R]
4887028 Watthour meter with isolation transformers having a feedback loopExpiredSep 21, 87Dec 12, 89[G01R, H01F]

Top Inventors for This Owner

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