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HUBEI SANHUAN DEV CORP LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    236,802
About

HUBEI SANHUAN DEV CORP LTD has a total of 11 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are WUHU SHUNCHANG AUTOMOTIVE PARTS CO LTD, NICHIDO DENKO KK and CH I MEKH I ELEK SELSKOGO KHOZ.

Patent filings in countries

World map showing HUBEI SANHUAN DEV CORP LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HUBEI SANHUAN DEV CORP LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Bi Pingjin 9
#2 Wang Hongying 7
#3 Fan Shaochun 6
#4 Luo Yuncheng 6
#5 Jiang Shaotao 5
#6 Gong Shiying 5
#7 Mei Zhen 5
#8 Li Xiaofen 2
#9 Li Yun 1
#10 Zhou Qingxia 1

Latest patents

Publication Filing date Title
CN103779866A M and delta comprehensive optimization control method applicable to SVG
CN103001551A Control method for restarting motor after power loss of high-voltage inverter
CN103036237A Static synchronous compensator (STATCOM) capable of suppressing delta-type connection internal circulation
CN102810869A Disc type reactor-based static synchronous compensator (STATCOM) and control method
CN102809726A Online measuring method for high-voltage high-capacity asynchronous motor parameters
CN102709886A Status monitoring and overvoltage protection system of high-voltage TCR (Thyristor Controlled Reactor) thyristor valve gate set
CN102810866A Control method for triple-harmonic current of static var compensator (SVC)
CN102611326A Device for minimizing capacity of direct-current bus capacitor of high-voltage frequency converter and control method thereof
CN102377253A Energy acquiring and electromagnetic triggering system of high-voltage thyristor valve bank
CN102355049A Large power variable-frequency power supply device with adjustable output voltage ultra-wide range
CN102904455A Control method of energy feedback type high-pressure frequency converter device