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QINGCHUAN TENWIN METALS DEV CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    174,991
  • Filing trend
    0.0%
About

QINGCHUAN TENWIN METALS DEV CO LTD has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are DIAZ NOGUEIRA EDUARDO, YUNNAN YUNTONG ZINC CO LTD and ROBLES ANTONIO T.

Patent filings in countries

World map showing QINGCHUAN TENWIN METALS DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing QINGCHUAN TENWIN METALS DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Xiuhai 9
#2 Lin Guangqin 3
#3 Jia Zhihui 2
#4 Li Xin 1
#5 Zhao Jianhua 1
#6 Zhang Qianwu 1
#7 Yang Zipan 1

Latest patents

Publication Filing date Title
CN112047360A Method for regenerating sodium hydroxide and application of method in metallurgical wastewater treatment
CN110791654A Harmless treatment of cadmium-containing waste
CN110846504A Method for recovering copper and nickel from solid wastes
CN109806641A The close press of the three-dimensional filtering of one kind and filter method
CN108339376A A kind of centrifugation Ash-tray and its net cigarette method
CN108568139A A kind of pot type centrifugal extractor and its extracting process
CN107417148A In a kind of electroplating sludge after METAL EXTRACTION tailings processing method
CN107324303A A kind of method of separation and purification iron, chromium from many metal hazardous wastes
CN103555952A Harmless treatment method for multi-metal coexisting arsenic-containing waste
CN103555953A Full circulation method for water in treatment process of multi-metal hazardous waste
CN103550903A Harmless treatment method for multi-metal coexisting chromium-containing waste