Learn more

YUNNAN GOLD MINING GROUP CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    147,947
About

YUNNAN GOLD MINING GROUP CO LTD has a total of 13 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, machines and environmental technology are WESTON DAVID, ANGLO AMERICAN SERVICES UK LTD and Metso Outotec Finland Oy.

Patent filings in countries

World map showing YUNNAN GOLD MINING GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing YUNNAN GOLD MINING GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Qifang 8
#2 Xie Enlong 4
#3 Duan Shenghong 4
#4 Jiang Yaxiong 4
#5 Liu Zhibin 3
#6 Liu Zhiliang 2
#7 Wu Jiancun 2
#8 Fang Jin 2
#9 Gan Yin 2
#10 Dai Shengquan 2

Latest patents

Publication Filing date Title
CN112251614A Method for efficiently extracting gold and silver from gold-containing silver-sulfur concentrate
CN111715412A Flotation method of lead-zinc sulfide pyrite
CN111715400A Separation method for gold and copper flotation bulk concentrates
CN111442702A VCR method vertical deep hole spaced charging method
CN111266183A Copper sulfide lead-zinc ore treatment method
CN111214917A A dust removal injection apparatus for mine environment administers
CN104818391A Method for extracting gold from gold-containing oxidized ore
CN104789795A Method for extraction of gold and silver from polymetallic oxidized ore containing gold, silver and iron
CN104498730A Method for processing low-grade gold ore
CN104109764A Method for separation of high sodium cyanide concentration lean solution and low sodium cyanide concentration lean solution
CN104107761A Method for recycling valuable metals from cyanidation slag containing gold
CN104087747A Method for desorbing valuable metals from gold loaded carbon
CN104089798A Gold content determination method