Huadao Huang

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8300368 Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capabilityJul 14, 08Oct 30, 12[H02H]
7940498 Circuit interrupting device with high voltage surge protectionDec 13, 07May 10, 11[H01H, H02H]
7833030 Safety shield for electrical receptaclesOct 07, 09Nov 16, 10[H01R]
7411766 Circuit interrupting device with end of life testing functionsJul 06, 07Aug 12, 08[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0211,283 NOVEL CIRCUIT INTERRUPTING DEVICE WITH HIGH VOLTAGE SURGE PROTECTIONAbandonedMay 06, 11Sep 01, 11[H02H]
7859368 Circuit interrupting device with automatic components detection functionExpiredDec 05, 07Dec 28, 10[H01H]
6943309 Two-position three-wire switchExpiredSep 30, 04Sep 13, 05[H01H]

Top Inventors for This Owner

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