CHEN, HENG

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 787
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 770
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 391
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3130
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8853539 Cable with current leakage detection functionApr 02, 10Oct 07, 14[H01B]
8705216 High sensitivity leakage current detection interrupterSep 27, 11Apr 22, 14[H02H]
8562362 Supported slide safety member for a low voltage power connection deviceSep 30, 11Oct 22, 13[H01R]
8366463 Safety structure for electric receptacles and power stripsNov 18, 10Feb 05, 13[H01R]
8248192 Pulse activated magnetic trip/reset mechanism for a ground fault circuit interrupterJan 11, 10Aug 21, 12[H01H, H02H]
8154831 Leakage current detection interrupter with fire protection meansOct 27, 09Apr 10, 12[H02H]
7978032 Locking mechanism for protecting a ground fault circuit interrupter from faulty resettingJun 16, 09Jul 12, 11[H01H, H02H]
7944653 Self fault-detection circuit for ground fault circuit interrupterJun 20, 08May 17, 11[H02H]
7889464 Leakage current detection interrupter with fire protection meansOct 26, 06Feb 15, 11[H02H]
7884292 Electrical safety receptacle with a cross-connection circuitFeb 24, 10Feb 08, 11[H01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7268559 Intelligent life testing methods and apparatus for leakage current protectionExpiredOct 26, 06Sep 11, 07[G01R]

Top Inventors for This Owner

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