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MAINTENANCE COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY LTD

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    41,592
  • Filing trend
    ⇩ 36.0%
About

MAINTENANCE COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY LTD has a total of 37 patent applications. It decreased the IP activity by 36.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, computer technology and measurement are XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER COMPANY, STATE GRID ZHEJIANG ELECTRIC POWER CO TAIZHOU POWER SUPPLY CO LTD and LANGFANG POWER SUPPLY CO STATE GRID JIBEI ELECTRIC POWER CO LTD.

Patent filings in countries

World map showing MAINTENANCE COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing MAINTENANCE COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Wei 16
#2 Liu Jian 9
#3 Jiang Changyou 7
#4 Ou Xiye 7
#5 Kong Bo 7
#6 Yang Huimin 6
#7 Wang Qiang 6
#8 Wang Botao 6
#9 Dong Deyang 6
#10 Qu Xianhai 6

Latest patents

Publication Filing date Title
CN111598469A Importing method of direct current power plan curve semi-automatic importing function system
CN111561225A Automatic control system and control method for security fence management
CN111555456A Multifunctional wireless alarm management machine for transformer substation
CN111509674A Non-full-phase protection device of dual integrated circuit breaker body
CN111446565A Hanging device and hanging method for tubular bus grounding wire
CN110827433A Air-ground amphibious inspection device and inspection method
CN110345893A A kind of overhead transmission line sag measuring device
CN110611283A Two-split spacer for use after repair of jumper repair pipe of 500kV strain tower
CN109896417A Lifting type pipe bus tool special for hoisting and hanging method
CN109372326A Outdoor deep embeded type hydraulic lifting safe fence bar and method for arranging
CN109193533A Transmission line of electricity suspension string overhang insulation subcard tool and installation method
CN109244948A Transformer substation grounding wire auxiliary device and grounding wire mounting equipment, method
CN109166705A A kind of intelligent control method that transformer forced oil is air-cooled
CN109450650A Local area network USB interface key device and connection method
CN109362700A It can side obforms bird-proof needle plate
CN109176376A Hand-chain type Universal-purpose screwdriver and working method
CN108107444A Substation's method for recognizing impurities based on laser data
CN108038620A The comprehensive inspection tour system of substation and inspection method based on cell phone application
CN107766836A A kind of circular deflection readings of pointer type meters antidote
CN107843261A A kind of method and system based on laser scanning data positioning robot position