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KUNMING IRON & STEEL HOLDING CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    173,138
About

KUNMING IRON & STEEL HOLDING CO LTD has a total of 29 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, macromolecular chemistry and polymers and machines are PATENTIERTE KORKSTEIN FABRIKAT, SCHEM CO LTD and CYRKIEWICZ MARCELI.

Patent filings in countries

World map showing KUNMING IRON & STEEL HOLDING CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing KUNMING IRON & STEEL HOLDING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Hualing 11
#2 Liu Ruiming 11
#3 Guo Jialin 6
#4 Liu Haiguo 6
#5 Yan Yang 5
#6 Haiguo Liu 3
#7 Liu Chang 3
#8 Hualing Zhao 3
#9 Zhang Jiande 3
#10 Song Hua 3

Latest patents

Publication Filing date Title
CN106365541A Multifunctional steel-slag ecological environment-friendly water-permeable brick and preparation method thereof
CN106380171A Slag antique building block and production method thereof
CN105440414A Composite sound-insulation material and preparation method thereof
CN105153523A Special mater batch for double-wall corrugated pipe prepared by utilizing talcum powder to modify waste HDPE and preparation method thereof
CN105153524A Waterproof corrosion-resistant antiaging high-flexibility rich mineral paper and preparation method thereof
CN105016642A Environment-friendly and energy-saving steel slag water permeable brick and preparation method thereof
CN104533817A Operation control method and system for multiple cooling fans
CN104403342A High-strength wood-plastic composite with swelling resistance, moisture resistance and ageing resistance and preparation method of wood-plastic composite
CN104441870A Low-density stone paper and preparation method thereof
CN103590430A Efficient and vertical drainage device of tailing pond
CN103450564A Easily-degradable and recyclable stone paper packaging container and preparation method thereof
CN103448331A Easily-degradable and recyclable paper and application thereof
CN103448332A Low-density high-tension rich mineral paper and preparation method thereof
CN103290159A Method for producing directly-reduced iron powder in microwave heating manner
CN103287036A Heat-sealing stone paper
CN103214199A Method for calcining novel dry-method cement clinker by brown coal
CN103043928A Black composite portland cement and production method thereof
CN103043977A Superfine slag powder baking-free brick and production method thereof
CN103042012A Efficient dredging method of steam explosion type pipe and device thereof
CN102974452A Method for treating high-mud-content fine-graded iron tailings