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HONGHE POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTD

Overview
  • Total Patents
    73
  • GoodIP Patent Rank
    19,985
  • Filing trend
    ⇧ 90.0%
About

HONGHE POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTD has a total of 73 patent applications. It increased the IP activity by 90.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and environmental technology are LINCANG POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTD, LUOYANG POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO and GUANGZHOU SITAI INFORMATION TECH CO LTD.

Patent filings in countries

World map showing HONGHE POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTDs patent filings in countries
# Country Total Patents
#1 China 73

Patent filings per year

Chart showing HONGHE POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Ying 12
#2 Xu Jiyong 11
#3 Shi Yu 11
#4 Guo Tao 11
#5 Zhang Yuanlong 11
#6 Liu Yuntao 11
#7 Duan Bing 10
#8 Zhu Qilong 10
#9 Li Huiming 10
#10 Xu Yun 10

Latest patents

Publication Filing date Title
CN112147464A Device for testing earth surface potential gradient distribution of transformer substation grounding grid
CN112147463A Method and device for reducing grounding impedance of transformer substation grounding grid by additionally arranging capacitor module
CN112098782A MOA insulation state detection method and system based on neural network
CN111856149A Device and method for testing wide-area dielectric loss and capacitance of capacitive bushing
CN111983380A Distributed high-precision transmission line traveling wave positioning system and method
CN111983289A Device and method for monitoring step potential difference and contact potential difference of large grounding grid
CN112003988A Device and method for identifying number accuracy
CN111856213A Fault positioning method for looped network operation
CN111785487A Maintenance-free moisture absorption device and control method thereof
CN111665419A T-connection line fault single-terminal ranging method and system based on wave head symmetry
CN111668756A 220kV straight line cement pole electrified operation tool for replacing insulator string
CN111697488A Butt-joint type overturning insulation platform
CN111579905A Method for testing live-line of series-compensated zinc oxide arrester
CN111521909A Complex-structure power grid fault single-terminal location method based on line zero-mode wave velocity difference
CN111505451A On-spot online evaluation device of capacitive equipment insulating properties of transformer substation
CN110824233A Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device
CN110829271A Transmission line defect inspection device and defect analysis method
CN110912138A Distribution network loop closing control method
CN110912139A Control method for closed-loop operation of medium-high voltage power grid
CN110912020A Method for carrying out maintenance operation of power transmission line by adopting digital force-bearing tool