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EXAMING & EX CT ULTRAHIGH VOLTAGE POWER TRANSMISSION CO CHINA SOUTHEN POWER GRID CO LTD

Overview
  • Total Patents
    59
  • GoodIP Patent Rank
    90,745
About

EXAMING & EX CT ULTRAHIGH VOLTAGE POWER TRANSMISSION CO CHINA SOUTHEN POWER GRID CO LTD has a total of 59 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are ASSET WITS CO LTD, DATONG POWER SUPPLY BRANCH SHANXI ELECTRIC POWER CO LTD and LOOOP INC.

Patent filings in countries

World map showing EXAMING & EX CT ULTRAHIGH VOLTAGE POWER TRANSMISSION CO CHINA SOUTHEN POWER GRID CO LTDs patent filings in countries
# Country Total Patents
#1 China 59

Patent filings per year

Chart showing EXAMING & EX CT ULTRAHIGH VOLTAGE POWER TRANSMISSION CO CHINA SOUTHEN POWER GRID CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wang Qi 17
#2 Deng Jun 16
#3 Chang An 12
#4 Qian Hai 11
#5 Li Jinwei 9
#6 Song Yunhai 8
#7 Feng Dong 8
#8 Zhou Quan 8
#9 Zhou Zhenzhen 7
#10 Xia Gulin 7

Latest patents

Publication Filing date Title
CN104122489A Single-phase earth fault selection method of DC (Direct Current) transmission line
CN104103409A Converter transformer as well as site drying processing method and site drying processing equipment of converter transformer
CN104091046A Method and system for calculating icing thickness of tension resistant tower wire based on weighing method
CN104035013A 500 KV electromagnetic voltage transformer alternating-current frequency-doubling withstand voltage test circuit and method
CN103971171A State evaluation method for power transmission equipment
CN103955863A Method for processing power network monitoring device data
CN103956713A Direct-current transmission line protection configuration setting method with electromagnetic coupling relationship taken into consideration
CN103914791A Electrical equipment state maintenance system
CN103914792A Integrated risk assessment method for calculating operation uncertainty of electric transmission line
CN103913655A Direct-current common grounding electrode state monitoring system and state assessment method
CN103913654A Method and device for identifying fault feature of grounding electrode of high-voltage direct-current transmission system
CN103793853A Overhead power transmission line running state assessment method based on bidirectional Bayesian network
CN103793854A Multiple combination optimization overhead transmission line operation risk informatization assessment method
CN103795064A Method and device for collecting and controlling alternating voltage in high-voltage direct current transmission project
CN103762585A Multi-direct-current distribution method of long-term overload capacity of high-voltage direct current transmission
CN103698698A Diagnostic method of electrical life of high-voltage circuit breaker based on fuzzy theory
CN103728517A Correcting algorithm for transformer state assessment by considering poor working conditions
CN103714493A SF6 breaker remaining life assessment method
CN103746400A Last circuit breaker and last line protection method for high-voltage direct current power transmission
CN103701133A Reactive power control method for high-voltage direct current transmission system under low-power running condition