LI, CHENGLI

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 1166
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9871366 Leakage current detection and protection deviceMay 04, 17Jan 16, 18[G08B, G01R, H02H]
9713273 Fireproof separator board and plug-based circuit interrupter employing the fireproof boardJun 12, 14Jul 18, 17[H02H, H05K]
9640968 Arc fault circuit interrupterJun 17, 14May 02, 17[H02H]
9640969 Arc fault circuit interrupterJun 20, 14May 02, 17[H01R, H02H]
9547047 Leakage current detection device with self-testing functionFeb 04, 15Jan 17, 17[G01R, H02H]
9312680 Leakage current detection interrupter with self-testing function and over-temperature protection functionAug 19, 14Apr 12, 16[G01R, H02H]
9312681 Circuit interrupter with over-temperature protection function for power cordSep 26, 14Apr 12, 16[H02H]
9136082 Ground-fault circuit interrupterSep 05, 13Sep 15, 15[H01H]
7701680 Ground-fault circuit interrupterJun 05, 07Apr 20, 10[H02H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8193445 Tamper resistant power receptacle having a safety shutterExpiredMar 27, 09Jun 05, 12[H01R]
8164403 Disconnect mechanism in a power receptacle with ground-fault circuit interruption functionsExpiredMar 27, 09Apr 24, 12[H01H]
7924541 Power plug with leakage current protection functionExpiredJun 29, 05Apr 12, 11[H02H]
7672098 Power plug with leakage current detection and protection circuitExpiredApr 24, 07Mar 02, 10[H01L, H02H]
7518063 Power cord with a leakage current detection conductorExpiredApr 24, 07Apr 14, 09[H01B]
2008/0062,593 LEAKAGE CURRENT DETECTION AND PROTECTION CIRCUIT FOR A POWER PLUGAbandonedJun 05, 07Mar 13, 08[H02H]
7009473 Ground-fault circuit interrupter with reverse wiring protectionExpiredMay 13, 05Mar 07, 06[H02H]

Top Inventors for This Owner

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