HUANG, HUADAO

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 869
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8858245 Leakage protection socket with integrated baffle locking mechanismFeb 21, 13Oct 14, 14[H01R, H01H, H02H]
8462471 Circuit interrupting device with high voltage surge protectionNov 19, 09Jun 11, 13[H02H]
8233251 Circuit interrupting device with interconnecting reset and test buttonsDec 08, 08Jul 31, 12[H01H, H02H]
7576959 Circuit interrupting device with automatic end-of-life testApr 25, 07Aug 18, 09[H02H]
7538993 Receptacle circuit interrupting devices providing an end of life test controlled by test buttonOct 24, 06May 26, 09[H02H]
7317600 Circuit interrupting device with automatic end of life testMay 22, 06Jan 08, 08[H02H]
7315227 Ground fault circuit interrupters providing end of the life testFeb 27, 06Jan 01, 08[H02H]
7295415 Circuits for circuit interrupting devices having automatic end of life testing functionSep 21, 06Nov 13, 07[H02H]
7126905 Information recording medium and information recording/reproducing apparatus to increase recording densitySep 28, 01Oct 24, 06[G11B]
6580344 Ground fault interruption receptacleFeb 15, 01Jun 17, 03[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0094,765 Circuit interrupting device with automatic end of life testAbandonedOct 03, 07Apr 24, 08[H02H]
7195500 Ground fault circuit interrupter with end of life indicatorsExpiredFeb 27, 06Mar 27, 07[H01R]
6998945 Receptacle device having protection against arc faults and leakage currentsExpiredDec 09, 03Feb 14, 06[H01H]
6943309 Two-position three-wire switchExpiredSep 30, 04Sep 13, 05[H01H]

Top Inventors for This Owner

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