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HUNAN YIHUA CHEMICAL INDUSTRY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    184,028
About

HUNAN YIHUA CHEMICAL INDUSTRY 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 basic materials chemistry, materials and metallurgy and environmental technology are OS BAD ROZWOJOWY ELEKT PROZNI, KERR MACHINE CO and EUGENE DUMONT ETS.

Patent filings in countries

World map showing HUNAN YIHUA CHEMICAL INDUSTRY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HUNAN YIHUA CHEMICAL INDUSTRY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tong Xinghui 11
#2 Wang Peiliang 10
#3 Wang Jinlong 9
#4 Wang Shijie 6
#5 Duan Zhongxiang 4
#6 Zhong Hongchang 4
#7 Liu Xiaohua 3
#8 Zhang Zuhong 2
#9 Zhao Le 2
#10 Liu Songhe 2

Latest patents

Publication Filing date Title
CN105135424A Boiler slag dump automation and cooling water treatment device and method
CN104806792A Liquid feeding and draining one-way valve of urea liquid ammonia pump
CN104929908A Connecting structure and connecting method of piston rod crosshead
CN104929909A Oil leak treatment equipment and use method thereof
CN104927957A Glue solution production method
CN104927926A Desulfurization technology
CN104930534A Technology reducing carbon content of boiler fly ash
CN104229830A Method for recovering regeneration gas of synthetic ammonia
CN104229849A Method for preparing nano calcium carbonate
CN104232166A Method for gasifying crushed coal and molten slag in synthetic ammonia process
CN102992951A Method for preparing high-purity refined methanol by three-tower rectification
CN103016202A Method for generating electricity by using coal mine low-concentration gas