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ZHONGWEI POWER SUPPLY CO STATE GRID NINGXIA ELECTRIC POWER CO

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    159,869
  • Filing trend
    ⇩ 100.0%
About

ZHONGWEI POWER SUPPLY CO STATE GRID NINGXIA ELECTRIC POWER CO has a total of 11 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets measurement, environmental technology and electrical machinery and energy are SIBIRSK GNII METROLOGII, MIWA ELECTRIC and WUHAN SUNSHINE POWER SCIENCE & TECH CO LTD.

Patent filings in countries

World map showing ZHONGWEI POWER SUPPLY CO STATE GRID NINGXIA ELECTRIC POWER COs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHONGWEI POWER SUPPLY CO STATE GRID NINGXIA ELECTRIC POWER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yongzeng 5
#2 Shi Yangang 3
#3 He Rui 3
#4 Wang Jun 3
#5 Han Tao 3
#6 Su Guolong 2
#7 Zhang Ning 2
#8 Ma Hua 2
#9 Gong Liudan 2
#10 Kang Baoying 2

Latest patents

Publication Filing date Title
CN108120899A A kind of single-ended Section Location of one-phase earthing failure in electric distribution network
CN108169623A The method that single-phase earth fault current traveling wave in 10kv outlets is measured in electric substation
CN108152674A A kind of feature based point identification and the fault traveling wave filtering method of linear interpolation
CN106968593A A kind of rotatable collapsible hard ladder
CN106971916A Breaker open operation spring more changing device
CN105929281A Backup power automatic switching check all-in-one machine
CN105929205A Insulation resistance test auxiliary device for high-altitude equipment
CN104565810A General type SF6-gas filling device
CN104616570A Secondary circuit simulation device of breaker
CN104617663A Method and device for configuring attributes of three-remote signals in distribution network automation system
CN104577872A Device for charged removal of fault indicators