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KAIFENG POWER SUPPLY CO HENAN

Overview
  • Total Patents
    11
About

KAIFENG POWER SUPPLY CO HENAN has a total of 11 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 CHUGOKU ELECTRIC POWER CO INCTHE, LANZHOU HAIHONG TECHNOLOGY CO LTD and JIAOZUO POWER SUPPLY COMPANY ELECTRIC POWER OF HENAN.

Patent filings in countries

World map showing KAIFENG POWER SUPPLY CO HENANs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing KAIFENG POWER SUPPLY CO HENANs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Qiang Chang 3
#2 Jing Hao 2
#3 Wenhui Luo 1
#4 Xiaojun Wang 1
#5 Ming Li 1
#6 Dongfeng Zhou 1
#7 Huiying Ji 1
#8 Hua Zhang 1

Latest patents

Publication Filing date Title
CN102129002A Detecting method for judging zero sequence power directional correct connection
CN102479427A GPRS-based intelligent monitoring process for electric energy meters
CN102480165A Method for improving reliability of automatic switching device of standby power source
CN102478798A Method for monitoring illegal opening of user electric meter box
CN102479644A Modification method of high-voltage breaker
CN102477755A Constant pressure water supply variable frequency system
CN102455420A Method for correcting electric energy meter on site
CN102455409A Application method of technology of one-chip computer in relay test
CN101944774A Medium-voltage distribution monitoring system
CN101944284A Low voltage resident centralized meter reading management system
CN101866791A Undervoltage open-phase protection contactor