VIRGINIA TRANSFORMER CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 678
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0278,627 EXTERNALLY MOUNTED FUSE BOX ON A LIQUID-FILLED TRANSFORMER AND METHOD FOR SERVICINGJun 09, 17Sep 28, 17[H01F, H01H]
2017/0252,721 TRANSFORMER OIL MOISTURE REMOVING APPARATUSMar 07, 16Sep 07, 17[B01J, H01F]
2016/0348,816 APPARATUS AND METHOD FOR GASKET COMPRESSION CONTROLMay 26, 15Dec 01, 16[F16L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9711275 Externally mounted fuse box on a liquid-filled transformer and method for servicingJan 27, 15Jul 18, 17[H01F, H01H]
9442150 System and method for monitoring and controlling a transformerDec 17, 12Sep 13, 16[G06F, G01R, H01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0117,088 IMPULSE VOLTAGE-RESISTANT DISC-WOUND TRANSFORMERAbandonedOct 26, 15Apr 27, 17[H01F]
2017/0018,354 TENSION BARAbandonedJul 16, 15Jan 19, 17[H01F]
2016/0352,088 SINGLE PLATE ARRESTER MOUNTING BRACKETAbandonedMay 26, 15Dec 01, 16[F16M, H02G]
2016/0216,152 VIBRATIONAL SENSOR DEVICE AND METHOD FOR DETECTING AN ENERGIZED TRANSFORMERAbandonedJan 27, 15Jul 28, 16[G01H, G01R]
2016/0153,604 SYSTEM AND METHOD FOR SEALING SUBMERGED OPENINGSAbandonedDec 02, 14Jun 02, 16[F16L, B65D]

Top Inventors for This Owner

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