Learn more

YUNNAN ELECTRIC POWER TEST & RES INST (GROUP) CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    73,122
  • Filing trend
    ⇩ 100.0%
About

YUNNAN ELECTRIC POWER TEST & RES INST (GROUP) CO LTD has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and computer technology are EDC GMBH, TECHIMP TECHNOLOGIES S A ORA TECHIMP TECHNOLOGIES S R L and WUHAN SUNSHINE POWER SCIENCE & TECH CO LTD.

Patent filings in countries

World map showing YUNNAN ELECTRIC POWER TEST & RES INST (GROUP) CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing YUNNAN ELECTRIC POWER TEST & RES INST (GROUP) CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tian Qingsheng 15
#2 Liang Shibin 15
#3 Wang Lei 15
#4 Liu Tao 14
#5 Liu Xin 9
#6 Peng Qingjun 7
#7 Wang Junkai 6
#8 Yao Chenguo 6
#9 Du Jingqi 5
#10 Liu Zhukui 3

Latest patents

Publication Filing date Title
CN106908745A A kind of experiment and the computational methods of ferromagnetic element excitation property and open circuit loss based on low-frequency square-wave
CN106599459A Method for generating arrangement diagram of fault indicators
CN106646125A Low-power-consumption power distribution network fault monitoring terminal
CN106707101A Distribution network operating state monitoring device with four-remote function
CN106597270A Structure and method for examining optical probe in arc protection apparatus
CN106410739A Arc protection device and fault diagnosis method thereof
CN106016146A Punching optical auxiliary device for blind-hole-method stress detection equipment
CN106249068A A kind of ferromagnetic element no-load characteristic low frequency measurement method
CN105929250A Low-frequency measurement method for core loss of ferromagnetic element
CN106208852A A kind of fired power generating unit primary frequency modulation spare capacity control strategy optimization method
CN106022965A Method for establishing power generating vibrating area of hydroelectric generating set
CN105807187A Single-phase ground-fault assist detection device
CN105651233A Method for measuring depth of surface open defect by injecting high-molecular polymer and device for method
CN105527340A Portable automatic water magnetic suspension preparation machine
CN105576621A Arc light protection method
CN105428000A Pulse width change-based iron core demagnetization method for low-frequency bipolar square wave source
CN105425045A Ferromagnetic element leakage reactance measuring method based on simplified model
CN105510742A Experiment method and analysis calculation method for testing transformer volt-ampere characteristic by using low-frequency power supply
CN105445680A Duality-principle-equivalent-model-based residual flux measuring method for iron cores and yokes of three-phase three-core-limb transformer
CN105425175A Iron core remanent magnetism elimination and measurement method based on polarity-reversal DC voltage source