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CHANGSHA RES INST MINING & METALLURGY CO LTD

Overview
  • Total Patents
    212
  • GoodIP Patent Rank
    6,886
  • Filing trend
    ⇧ 163.0%
About

CHANGSHA RES INST MINING & METALLURGY CO LTD has a total of 212 patent applications. It increased the IP activity by 163.0%. Its first patent ever was published in 2015. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are WEHRLIN HARRY, GUANGDONG JIANA ENERGY TECH CO LTD and CAO DAPING.

Patent filings in countries

World map showing CHANGSHA RES INST MINING & METALLURGY CO LTDs patent filings in countries

Patent filings per year

Chart showing CHANGSHA RES INST MINING & METALLURGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Yangrui 42
#2 Peng Jianping 37
#3 Li Xiaoyan 31
#4 Tang Hongping 31
#5 Qin Shibiao 30
#6 Li Zhou 28
#7 Mao Guiting 27
#8 Zheng Hao 27
#9 Tu Feiyue 27
#10 Shen Xiangqian 26

Latest patents

Publication Filing date Title
CN112229620A Deep sea mineral full hose conveying offshore test system
CN112281002A Method for enriching and recovering niobium, rare earth and titanium from multi-metal ore containing iron, niobium and rare earth
CN112212680A Preheating high-temperature consolidation vertical furnace for carbon-blending phosphate ore pellets
CN112169386A Pulp shipborne dewatering device of ocean mining ship
CN111933917A Silicon-containing material and preparation method and application thereof
CN112198081A Method for measuring elemental sulfur content in ore
CN111933916A Negative electrode active material and preparation method thereof
CN112195346A Process for removing arsenic by conversion leaching of arsenic-containing soot in pyrometallurgy of copper and lead
CN112158886A Method for comprehensively recovering molybdenum and sulfur from high-sulfur ammonium molybdate solution
CN112164779A Carbon-coated silicon-based negative electrode material and preparation method thereof
CN112186153A Lithium cathode with interface nanosheet protective layer and preparation method thereof
CN112164778A Lithium cathode and preparation method thereof
CN112179896A Chemical phase analysis method for rubidium in metal ore
CN112129744A Chemical phase analysis method for lithium in ore
CN112129718A Chemical phase analysis method for potassium in ore
CN112143918A Rare earth extractant for enriching light rare earth ions from ion adsorption type rare earth ore in-situ leaching solution and enrichment method
CN112067608A Method for measuring content of calcium oxide in scheelite
CN112063857A Method for extracting lithium from brine
CN111961786A Manganese-iron combined production method for strengthening pyrolusite reduction by using pyrite
CN111960467A Preparation process of multi-element material