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HUNAN CHENZHOU MINING GROUP CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    194,846
About

HUNAN CHENZHOU MINING GROUP CO LTD has a total of 18 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 and civil engineering are KITAGAWA KAZUHIKO, TIANJIN BINHAI INT HORTICULTURE PARK CO LTD and SHAANXI XINHUA FARMING RESOURCE FLOWS CO LTD.

Patent filings in countries

World map showing HUNAN CHENZHOU MINING GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing HUNAN CHENZHOU MINING GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xu Xia 4
#2 Wang Guohui 4
#3 Peng Demiao 3
#4 Zhang Hongzhi 3
#5 Yang Yali 3
#6 Kuang Jianghua 2
#7 Yang Dazhi 2
#8 Xiao Shida 2
#9 Tan Meng 2
#10 Wu Quanfen 2

Latest patents

Publication Filing date Title
CN104874471A Process for beneficiation and separation of low-grade gold, antimony and tungsten coexistence raw ore
CN104264690A Method for increasing volume of tailings pond for mine enterprise
CN104152721A Process for smelting and separating antimony from gold
CN104142309A Method for detecting content of chlorine ions in high-purity antimony oxide
CN104120270A One-step technique for separating antimony from gold and lead in gold-containing antimony oxide smoke dust
CN103487286A Powder material online automatic sampling device and automatic sampling method
CN103451434A Treatment method for dephosphorized slag in tungsten metallurgy
CN103452479A Angle-adjustable engineering geological drilling rig
CN103508490A Multi-functional upper expanding device for producing antimony trioxide
CN103397206A Method for wet processing of antimony trioxide powder with high arsenic content
CN103351025A Method for preparing antimony sesquioxide by stibnite concentrate
CN103044200A Preparation method of ethylene glycol antimony
CN102976407A Method for increasing diantimony trioxide particle size during wet production process of diantimony trioxide
CN102976408A Method for producing orthorhombic crystal form antimony trioxide through wet method
CN102139919A Method for reducing arsenic and lead in production of antimonous oxide by wet process
CN102134099A Deep purification and phosphorus removal method for mixed liquor of coarse sodium tungstate solution and crystallized mother liquor
CN102134652A Process for preliminarily separating antimony from gold in antimony-gold material
CN102071313A Method for treating tungsten-containing and molybdenum-containing slag produced in ammonium paratungstate production process