Learn more

NORTHEAST CHINA GRID CO

Overview
  • Total Patents
    16
About

NORTHEAST CHINA GRID CO has a total of 16 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are HANDAN POWER SUPPLY CO, SHANGHAI SUNRISE POWER AUTOMAT and SUZHOU IND PRAK NEW HONGBO COMM TECHNOLOGY CO LTD.

Patent filings in countries

World map showing NORTHEAST CHINA GRID COs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing NORTHEAST CHINA GRID COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Jia Wei 11
#2 Shao Guanghui 11
#3 Ma Xin 11
#4 Li Zeyu 10
#5 Liu Jiaqing 10
#6 Hou Kaiyuan 10
#7 Xu Xingwei 10
#8 Yue Han 9
#9 Wang Gang 9
#10 Xia Deming 9

Latest patents

Publication Filing date Title
CN103559570A Fault recording master station information management system
CN103413044A Substation measurement information based method for estimating local topology of electric power system
CN103439596A Method for detecting safe operation steady-state performance of power transmission network
CN103093037A Electric system splitting fracture surface searching method based on master-slave problem alternating optimization
CN102902894A Method for evaluating the data quality and estimating the angle error of PMU (Phasor Measurement Unit) of control center based on difference comparison
CN102723710A Critical cluster identifying method for transient stability analysis of power system
CN102593831A Implementation method for on-line detection system of subsynchronous oscillation events of electric power system
CN102434227A Generator set overspeed protecting system
CN102545208A Power grid running mode getting method based on frequency response
CN102521510A Method for evaluating capability of power grid for resisting concentric power falling off
CN102361353A Method for aligning section raw data on basis of double time scale delay evaluation
CN102346915A Method for rapidly generating voltage contour curve diagram
CN102291085B Asynchronous motor frequency converter device with low-voltage ride through capability
CN102280883B Wide area pattern analysis method for dynamic simulation validation of power system
CN101944743A Method for designing coordinate amount among automatic voltage control systems of power grid and implementing method thereof
CN101763031A System for intelligently leading in and checking control strategy of safety auto-mechanism