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NORTH CHINA GRID CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    215,584
About

NORTH CHINA GRID CO LTD has a total of 29 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are LIAONING ELECTRIC POWER CO LTD JINZHOU ELECTRIC POWER SUPPLY CO, ELECTRIC POWER DISPATCH CONTROL CT GUANGDONG GRID CO and GUANGDONG POWER DISPATCH CT.

Patent filings in countries

World map showing NORTH CHINA GRID CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing NORTH CHINA GRID CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wang Ning 5
#2 Ping Yuan 4
#3 Feng Chenhu 4
#4 Lin Jia 4
#5 Du Juan 3
#6 Liu Yu 3
#7 Yang Huimin 3
#8 Liu Yimin 3
#9 Yang Xinping 3
#10 Yuan Jingzhong 3

Latest patents

Publication Filing date Title
CN103997126A Fault diagnosis grading method and system based on on-off state
CN103779845A Method for improving current differential protection motion performance of series compensated line
CN103093028A Modeling method and simulation method for monitoring signals in electric power dispatching simulation training system
CN103001180A Sensitivity check result display method based on geographical wiring diagram
CN103023418A Online parameter identification method of synchronous generator based on wide-area measurement information
CN102567816A Regional generation right hierarchical coordination method
CN102521421A Method for importing intelligent transformer substation state monitoring system model into database
CN102567847A Intraday dispatching optimization method
CN102509165A Intelligent line selecting system and method for power transmission line
CN103442022A Method for managing multiple data acquisition nodes of electric power telecommunication network in centralized mode
CN102624539A Multilevel relativity bearing type automatic mapping method for electric power communication network
CN102900360A Combined type digging and drilling machine
CN102074956A Power grid risk management method and system
CN102611193A Interactive control method, device and system of power system
CN102611194A Control method, device and system of power system
CN102611195A Method, device and system for monitoring power system
CN102136703A Wire stripper
CN102593546A Battery insulation system
CN102064553A Control command code based automatic substation voltage control method
CN102055200A Method for calculating capacity configuration of reactive power compensation capacitor device of transformer substation