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EXTRA HIGH VOLTAGE POWER TRANS CORP NANNING BUREAU OF CHINA SOUTHERN POWER GRID CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    70,674
  • Filing trend
    ⇩ 100.0%
About

EXTRA HIGH VOLTAGE POWER TRANS CORP NANNING BUREAU OF CHINA SOUTHERN POWER GRID CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and computer technology are JIEYANG POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD, MAGTRON INTELLIGENT TECH INC and OUTSMART POWER SYSTEMS LLC.

Patent filings in countries

World map showing EXTRA HIGH VOLTAGE POWER TRANS CORP NANNING BUREAU OF CHINA SOUTHERN POWER GRID CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing EXTRA HIGH VOLTAGE POWER TRANS CORP NANNING BUREAU OF CHINA SOUTHERN POWER GRID CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Huanghe 10
#2 Su Xiao 10
#3 Zhong Hongle 6
#4 Luo Zanchen 6
#5 Wu Zhengshu 6
#6 Cheng Yanyuan 6
#7 Zhu Wei 6
#8 Zeng Xinghong 5
#9 Qiu Jiechang 5
#10 He Shan 5

Latest patents

Publication Filing date Title
CN112166947A Tree reversing controller
CN112038796A General type push-pull little formula earth connection of twisting about
CN112039029A Controlled anti-tripping circuit of circuit breaker
CN111953414A Self-adaptive high-precision optical fiber calibrator
CN111982198A State maintenance method and system for high-voltage circuit breaker
CN111983286A Unbalanced current testing device and system for large-capacity cluster capacitor bank
CN111985089A Analysis method for parallel operation of neutral point voltage regulating transformer and medium-voltage line terminal voltage regulating transformer
CN111835084A Visual identification-based transformer substation work ticket safety measure integrity judging method
CN111711041A Special device for repairing conductive contact surface of strain drainage plate of power transmission line
CN110994451A Unmanned aerial vehicle hangs draw gear based on high voltage electric network high altitude transmission operation
CN110902589A Pulley device
CN110912419A Three-phase voltage-stabilized power supply for transformer air cooling system
CN110609203A CT polarity detector and detection method thereof
CN110489929A The simulation model and modeling and simulation method of air-core shunt reactor turn-to-turn fault
CN110416920A A kind of Quick disassembling tool for conductors on quad bundled conductor spacer
CN110632412A Test method of series compensation protection device
CN110412389A String mends protective device and the string based on cloud computing mends protection test macro
CN110308353A String mends sensor tester and test method
CN110297123A Series compensation device out-of-balance current test macro
CN110376465A String mends protection test platform