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SHIJIAZHUANG IRON & STEEL CO LTD

Overview
  • Total Patents
    112
  • GoodIP Patent Rank
    13,783
  • Filing trend
    0.0%
About

SHIJIAZHUANG IRON & STEEL CO LTD has a total of 112 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, packaging and shipping and machine tools are BAOWU GROUP ECHENG IRON AND STEEL CO LTD, ZENITH STEEL GROUP CO LTD and XIWANG METAL TECH CO LTD.

Patent filings in countries

World map showing SHIJIAZHUANG IRON & STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 112

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hua Qinian 51
#2 Dai Guanwen 28
#3 Liu Yong 26
#4 Yan Yan 22
#5 Yang Fenggong 20
#6 Liu Jianpei 19
#7 Chen Liangyong 17
#8 Dong Daxi 14
#9 Chang Pengfei 14
#10 Gao Han 13

Latest patents

Publication Filing date Title
CN112143970A High-strength high-toughness non-quenched and tempered front axle steel and production method thereof
CN112143980A Steel 27SiMn2 for industrial forks and preparation method thereof
CN112029955A Electric furnace steelmaking conductive cross arm protection method
CN111841925A Automatic identification and spraying system for end faces of round steel
CN111644613A High-carbon-chromium GCr15 bearing steel spherical powder and preparation method thereof
CN111846388A Bar or pipe composite collecting basket and collecting method thereof
CN111889521A Control device and method for reducing damage degree of steel pile of continuous rolling unit
CN111455291A Low-cost non-quenched and tempered steel with stable performance and production method thereof
CN111571584A Robot labeling path planning and singularity checking method for bundled bars
CN111482314A Automatic coloring equipment for end faces of round steel
CN111421120A Calibration device and method for checking liquid level of molten steel in crystallizer of bloom continuous casting machine
CN111426534A Preparation method of sample for detecting austenite grain size of steel by oxidation method
CN111485059A Clean production control method for steelmaking of vertical electric furnace
CN111442749A Water immersion ultrasonic online bending measurement method
CN111348408A Billet tilter
CN111197953A Rolling mill bearing hole measuring device and measuring method thereof
CN111216690A Water nozzle for construction site car washer and configuration method
CN111022906A Thin oil seal gas chamber piston drainage device and thin oil seal gas chamber
CN111118398A High-hardenability high-strength low-temperature-toughness spring steel and production method thereof
CN111057948A Narrow-range production control method for rare earth elements La and Ce in rare earth bearing steel