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HUNAN SHIZHUYUAN NONFERROUS METALS CO LTD

Overview
  • Total Patents
    81
  • GoodIP Patent Rank
    19,245
  • Filing trend
    ⇧ 2600.0%
About

HUNAN SHIZHUYUAN NONFERROUS METALS CO LTD has a total of 81 patent applications. It increased the IP activity by 2600.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, environmental technology and machines are XIAMEN ZIJIN MINING AND METALLURGY TECH CO LTD, HUNAN RES INSTITUTE FOR NONFERROUS METALS and TIBET HUATAILONG MINING DEV CO LTD.

Patent filings in countries

World map showing HUNAN SHIZHUYUAN NONFERROUS METALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 81

Patent filings per year

Chart showing HUNAN SHIZHUYUAN NONFERROUS METALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wei Dawei 16
#2 Xie Jiawen 16
#3 Long Bing 15
#4 Chen Kefeng 13
#5 Chen Yulin 10
#6 Xiao Huiyong 7
#7 Zhou Qiming 7
#8 Li Zhonglun 7
#9 Fu Caiping 7
#10 Huang Weisheng 6

Latest patents

Publication Filing date Title
CN112240873A Method for accurately detecting content of molybdenum trioxide in tungsten trioxide
CN112263856A Ore drawing speed-increasing device for inclined tube dense box
CN112156895A Flotation method for low-grade refractory copper sulfide ore
CN112076821A Novel jaw crusher capable of crushing twice
CN112027576A Protection device for preventing belt conveyor from being broken
CN112156886A Multi-metal ore dressing and grinding grading flow transformation method
CN112076849A Device convenient to dismouting ball mill welt
CN111841805A Tungsten concentrate recovery unit
CN111841876A Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater
CN111389576A Belt shaking table device for tungsten fine mud recovery operation
CN111495567A Method for improving recovery rate of tungsten fine mud
CN111495604A Gold ore pre-enrichment flotation process
CN111495600A Scheelite flotation method
CN111495551A Process for roughing molybdenum sulfide ore
CN111001492A Beneficiation method for efficiently recovering rubidium, tin and iron in mill tailings
CN110888384A High-interference filtering method for PLC analog input signal source
CN111050118A Underground light control method based on video image induction
CN110760203A Preparation process of novel bismuth temperature-resistant environment-friendly pigment
CN110760202A Preparation method of bismuth vanadate fluorescent pigment
CN110723500A Protection device for preventing belt conveyor from being broken