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SHENZHEN CHANGHAO MECHANICAL AND ELECTRICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    164,289
About

SHENZHEN CHANGHAO MECHANICAL AND ELECTRICAL CO LTD has a total of 12 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and engines, pumps and turbines are Liao fu-zhang, OOSHIYAN ENERUGII KAIHATSU KK and ROMANENKO YURIJ M.

Patent filings in countries

World map showing SHENZHEN CHANGHAO MECHANICAL AND ELECTRICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing SHENZHEN CHANGHAO MECHANICAL AND ELECTRICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Yu 7
#2 Zhou Dangsheng 6
#3 Xiao Anbo 4
#4 Zeng Jianyou 1
#5 Lyu Yihang 1
#6 Li Dongpo 1
#7 Song Jianbo 1
#8 Wang Zhihua 1
#9 Sheng Xiaojun 1
#10 Huang Taijun 1

Latest patents

Publication Filing date Title
CN104935005A Double-fed inverter system and shutdown method of double-fed wind generator set
CN104979848A Converter system and double-fed wind turbine generator set shutdown method
CN104779639A Current transformer system and double-fed wind power generator set
CN104734197A Doubly-fed current transformer system and doubly-fed wind power generation unit
CN104993696A DC/DC conversion boosting module
CN104265565A Wind power plant real-time monitoring system and monitoring method
CN104092373A DC/DC boost conversion module and circuit
CN103855715A Method and system for wind farm reactive voltage control
CN103855726A Photovoltaic power generation control system and control method of photovoltaic power generation system
CN103825299A Grid-connected photovoltaic power generation system and control method thereof
CN103475035A Reactive power control method for power generation system
CN102904286A Grid-connected inverter and control method thereof