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HENGYANG DAYU ZINC IND CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    102,167
About

HENGYANG DAYU ZINC IND CO LTD has a total of 16 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are VALE S/A, GANZHOU YIHAO UMICORE IND CO LTD and GUANGZHOU ENV CREATIVE SOLUTIONS CO LTD.

Patent filings in countries

World map showing HENGYANG DAYU ZINC IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing HENGYANG DAYU ZINC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xie Yongjun 11
#2 Yan Xuemei 11
#3 Wang Qianhua 11
#4 Chen Mingjun 11
#5 Hu Xudong 11
#6 Yan Huarong 11
#7 Liu Niansheng 11
#8 Yan Haijun 11
#9 Yan Changjun 5

Latest patents

Publication Filing date Title
CN112246181A Dust suppression type granulation device for zinc oxide powder production
CN112264143A Integrated ore crushing and acidolysis device for preparing boric acid from boron ore
CN112173182A Zinc sulfate monohydrate production line is with packagine machine that has structure of weighing
CN112268411A Heptahydrate zinc sulfate centrifugal dehydration device for heptahydrate zinc sulfate cooling crystallization
CN112268410A Vapour drying device with crushing structure for processing zinc sulfate monohydrate
CN112268414A Prepare boric acid from boron ore and use freeze-drying device
CN111961852A Method for deeply removing selenium in zinc sulfate solution
CN112095014A Method for efficiently recycling copper and cadmium from copper-cadmium slag
CN112176199A Process for efficiently purifying zinc oxide from zinc smelting waste residues
CN112126785A Method for recovering heavy metal waste residues through vulcanization
CN112125327A Preparation process of active zinc oxide
CN109187530A Zinc, aluminum content tests method in a kind of industry ZnSO4
CN109110775A A method of the preparing boracic acid from boron rock
CN109133153A The method of iron is removed in a kind of solution of zinc sulfate
CN109371259A A method of going dechlorination from solution of zinc sulfate
CN109231650A A method of removal zinc sulfate produces heavy metal in waste liquid