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CHANGSHA RES INST MINING & METALLURG CO LTD

Overview
  • Total Patents
    160
  • GoodIP Patent Rank
    16,109
About

CHANGSHA RES INST MINING & METALLURG CO LTD has a total of 160 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and chemical engineering are INST KHIM TVERDOGO TELA I MEKH, GUANGDONG RES INST OF IND TECHNOLOGY GUANGZHOU RES INST OF NON FERROUS METALS and OKAWA HIROSHI.

Patent filings in countries

World map showing CHANGSHA RES INST MINING & METALLURG CO LTDs patent filings in countries
# Country Total Patents
#1 China 160

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ning Shunming 25
#2 Wan Hongqiang 24
#3 She Zonghua 21
#4 Wang Wenjuan 20
#5 Feng Zhimin 20
#6 Xing Xueyong 20
#7 Xi Xiaoming 18
#8 Wu Jianghua 17
#9 Xiao Songwen 16
#10 Chen Wen 16

Latest patents

Publication Filing date Title
CN105296751A Manganese carbonate ore leaching method based on two-stage leaching
CN105349787A Recycling method for valuable metal in electronic waste
CN105271424A Preparation method of needle-like spinel lithium manganese oxide positive electrode material
CN105268547A Wet permanent magnetic roll type high magnetic separator
CN105331810A Microwave heating device and method for leaching vanadium from stone coal through sulfuric acid
CN105140491A Multi-layer structural lithium iron phosphate based composite fiber positive pole material and preparation method and application thereof
CN105280867A Modified diaphragm special for Li-S battery, preparation method of modified diaphragm and Li-S battery
CN105039718A Comprehensive recycling method of electrolytic manganese anolyte
CN105091569A Combustion heat supply method and device of medium and low temperature reduction rotary kiln
CN105170283A Ore grinding grading system and method capable of controlling derichment of iron minerals
CN105039737A Gold extraction technique method for low-grade refractory gold ores
CN105112690A Method for recycling vanadium and silicon simultaneously from silicious type vanadium ore
CN105039746A Method for directly extracting high-purity vanadium pentoxide from stone coal vanadium ore
CN105148823A Inflatable stirring reaction device
CN105063349A Method of leaching copper, cobalt and nickel from smelting alloy
CN105002356A Method for recovering valuable metals in nickel/cobalt-containing multi-metal alloy
CN105063353A Method for leaching valuable metal from cobalt-copper white alloy
CN105018735A Method for treating nickel/cobalt-contained multi-metal alloyed scrap
CN105177284A Method for leaching and recycling valuable metal from cobalt-nickel-copper-manganese-iron alloy
CN105154916A Method for reducing impurity magnesium content in electrolytic manganese system through fractional precipitation